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Forum: Pentax DSLR Discussion 02-04-2014, 06:04 AM

Resurrecting Pentax firmware hacking
Posted By Shodan

Replies: 765
Views: 299,062

Resurrecting Pentax firmware hacking

I better start with an introduction as this is my first post. I own a K30 with a load of old manual lenses. I'm also a full time reverse engineer and I'm very interested in rebooting firmware hacking on the Pentax. However I need help and can't do it alone.

I've gone through all the previous posts on Pentax hacking as well as the useful but old Pentax hacking site. Based on this I've seen that the biggest problems for creating a hacked firmware are:
Need for experienced reverse engineers

Cost of the required tools such as IDA Pro

The FP instruction set

Luckily I can help with some of the above. First with experience. I'm a hardware hacker who previously ported CHDK to my Canon Powershot - I've got some experience in hacking firmware on cameras. Next with tooling, for the people who don't know you need an expensive dissasembler called IDA Pro. I have this and the tool that changes assembly into a higher level language - the decompiler. Finally is the instruction set. I've done a lot of work reverse engineering the chip that's inside the K30 and I believe newer models as well. This I think is a Fujitsu Milbeaut MB91696AM. The great thing about this is that it's based around a Dual core ARM Cortex M4 CPU. This means no horrible FP instruction set! It all ARM and that's what I'm good at.

My progress so far:
Decrypted the firmware

Performed a lot of reverse engineering. Large parts found including memory allocation functions, displaying text on screen etc

Found all the debug processing code

Found the firmware decryption routines

Written custom firmware that allows custom code to be run

Started the PHDK project

Useful links:
PHDK Wiki
Paper describing the work so far - very technical
PHDK source code

What I need (so far):
Service manual for a K30 (or even a similar model). This would be really useful in understanding how all the debug functionality actually works

Datasheet for the MB91696AM or even a very similar ARM based CPU

Someone to tell me the offsets to icons/text images in the binary. This would rapidly increase the amount of functions I can find!

How you can help:
I will need testers. Be warned there is a small chance of bricking the camera...

I need people to help with the disassembly. You'll need a copy of IDA Pro (or maybe notepad - see below).

Anyone know anyone at Pentax / Ricoh. I'm considering dropping their marketing team an email.

Don't request features. At the moment there is only one feature - get custom code running on the device.

Don't request other cameras. I own a K30 and that's what I'm working on.

One of the big things is helping with decompilation of the firmware. It's too big to do alone. Given this I can dump a massive text file with all the functions in C-like code. If anyone has some programming background this might be a good way to help out. Is anyone interested? I still want to play nice with Pentax while i'm requesting their help so I will only PM out the file.

Big issues at present

Icons / text images (fonts)

There are very few strings in the main camera code. All the text is embedded in image data. I suspect that this is as RAW bitmap data directly in the firmware. It would be really useful to get the locations of at least one of these images, then I can find the rest. I'm not quite sure how to find them but The Gimp has an option of opening RAW files and changing the offsets into it. I've had a look but with not much luck.

Give me a few weeks and I hope to be at the point where I can write custom firmware which can then execute a file on the SD card containing additional functionality. I want to perform my code changes inside the debug mode routines, this should mean it's safer as this code is not called by default. At this point some brave soul will need to Flash their camera. Once that works all we will need to do is update the executable on the SD card. Well that's the idea any. Other options are to find a method in the existing debug routines which allow this or alternatively look for an exploit.

Brain dump over.

Forum: Pentax K-3 & K-3 II 01-30-2014, 02:46 PM

ugggh. pundits deliberately bait their audience
Posted By SteveEveritt

Replies: 17
Views: 2,685

It is a Japanese word, you can't reinvent a language for your own convenience! And while we are on the subject it is aluminIum not aluminum. It is an element - that is its name - end of!

Forum: Pentax News and Rumors 07-10-2013, 09:02 AM

Ricoh announces company name change - no more Pentax Ricoh Imaging, just Ricoh.
Posted By lytrytyr

Replies: 528
Views: 67,935

I have found the A50/1.2 on a K-01,
with focus peaking using up-to-date firmware,
to be a very effective tool for low-light shooting.

Forum: Pentax News and Rumors 07-10-2013, 08:09 AM

Ricoh announces company name change - no more Pentax Ricoh Imaging, just Ricoh.
Posted By JPT

Replies: 528
Views: 67,935

The situations with EVFs reminds me of touch screens on phones. I found them annoying and frustrating to use until one day I tried an iPhone and it was fine. It was just a cumulation of improvements in processor speed and screen quality. I think EVFs will quite soon reach a stage where their lag is imperceptible and the dynamic range is close enough to satisfy most users. Then you are left with a long list of advantages that EVFs have over OVFs - both for users and manufacturers.

- More flexibility/customisation in what is displayed (magnification, peaking, histogram, picture review, etc.)
- More accurate AF (potentially equal to or faster than DSLR PDAF with new sensors)
- Continuous AF in video mode
- No need for calibration / no risk of misalignment due to impact (reduced cost)
- Far fewer moving parts and optical elements required (reduced cost)
- Design flexibility (placement of viewfinder, no viewfinder at all)
- No mirror shock and less noise
- Viewfinder size not limited by image circle
- Possibility to reduce flange distance and create smaller cameras

EVFs don't need to match OVFs in all aspects, they just need to become more attractive overall. So that's why I'm optimistic.

I'm not sure about the comparative cost of OVFs vs. EVFs, but I read somewhere that mirroless camras have only 40% the number of parts that a DSLR has. That must end up reducing cost overall. Imagine if a FF mirrorless were launched at a similar cost to the K-5 when it was released. If F2.8 zooms were available from the start, it would be taken more seriously than any other mirrorless camera to date.

Forum: Pentax News and Rumors 07-10-2013, 07:56 AM

Ricoh announces company name change - no more Pentax Ricoh Imaging, just Ricoh.
Posted By ManuH

Replies: 528
Views: 67,935

I maybe in the minority here but I prefer an EVF for its unmatched previewing capabilities. I used a GH2 for a while and I would die to get an EVF like this on my K-01. The OVF will die faster than we think IMO, especially in high end cameras where the mirror box is just to slow to compete : the Nikon V1 is already capable of doing 60fps at full resolution. I cannot see how a DSLR could match that with an OVF and mirror unless there is some sort of hybrid solution.

As for Pentax FF, why not a K-01 type of camera? But add an EVF, PD-AF, flippy LCD and WR... and it can be made cheaper and much lighter by removing the prism/mirror box. And start selling it for 1200$. I would buy that in a heart beat, even at 1500$.

Forum: Troubleshooting and Beginner Help 03-08-2013, 10:05 PM

Why isn't Pentax more popular?
Posted By vikasdtn

Replies: 50
Views: 13,598

The more and more I read about it.. it quite clear that we definitely are a special group of people into the detail of things, and love the systems we use.. even the shutter sound.. one of my favourite features in pentax, compared to other "software like" sounds in Canon or Nikon.. pentax sounds more, mechanical.. i would say.. as a machine may be.

I would put it simple as,
Canon = Windows in a software/os perspective (every one has it just because they want a camera, as in buying a pc)
Nikon = Mac (costly, good looking.. "up there" for some people.
Pentax = Linux/Unix - the smart mans choice! :D

I guess in a way that explain why only some guys hold a pentax versus every other person.

Forum: Pentax SLR Lens Discussion 03-13-2013, 07:45 AM

DA 18-135mm WR - IQ at edges and corners
Posted By normhead

Replies: 28
Views: 2,684

I have found the 18-135 to be completely consistent with the photozone charts. I have also found that in 3d objects the lens is superior many better lenses rated better on flat charts. Shooting with the subject in front of a flat wall, the shift in focus helps keep the wall behind your centered subject in focus.

Not only that at 24 mm. It's superior on sharpness edge to edge than any lens in it's class, except for the Tamron 17-50.

I have to say, when shooting landscape over 50mm, I take this lens off the camera and put the DA* 60-250 on. However, shooting wildlife, where borders are bokeh and center sharpness is critical, this is a great lens.

SO stop criticizing the lens for what it isn't good at. If you want sharpness border to border below 50mm, you wanted the Tamron 17-50 not this lens. (I have both). If you wanted a top of range 24mm lens, then this is a great lens. If you wanted a great walk around lens, with the ability to give you great landscapes border to border in it's low end and great center sharpness in it's long end, then this is a great lens. But I have to say, some of the lenses being discussed incomparison, don't give you great anything at any focal length, and I'd be at a loss to figure out where I could even use them. Not so with this lens. Learn how and where to use it and it's a great lens. Sit and dwell on it's supposed weaknesses and you can go on for ever, and accomplish nothing.

Forum: Pentax DSLR Discussion 09-24-2012, 01:14 PM

Pentax/Ricoh: De-cripple the K-mount! PETITION
Posted By froeschle

Replies: 502
Views: 69,999

274 users already have signed this petition to de-cripple the Pentax K-mount (i.e. to restore the aperture ring coupler).

Excerpt from this interview:

Quote:

Q: Will the Pentax K-mount ever be "de-crippled" (i.e. will the aperture ring coupler be restored?)

Quote:

A: technology ... develops ... less importance for the users ... user merit ... user feelings ... if voices will be increased ... yes ...

One of the very few reasons, why I would consider to buy an APS-DSLR again: A de-crippled PKAF2-mount.
An important feature, which the D7000 offers but the K-5 II(s) still lacks.
Why not invest some cents or even dollars?

Pentaxians, let your voices be heard ;) :) !

Copied from #117:

Quote:

To summarize:

Statements from the interview at Photokina:
Feedback from enthusiast users will not be ignored in the Ricoh system.

A de-crippled K-mount would be realized (i.e. the aperture ring coupler would be restored), if such "user feelings" are expressed and the corresponding "voices will be increased".

Why this petition:
De-crippling the K-mount will lead to an increased and/or more reliable functionality with all lenses possessing an aperture ring.

Such an implementation would be straightforward (present in nearly all Pentax film SLRs) and at low cost (mechanical sensor + software implementation). Considering the price of a current DSLR, the additional charge should be marginal.

Thus, it is an ideal test case to check the promise of Pentax/Ricoh. Do they really care about the wishes of the enthusiast user base? Nikon, in comparison, cared and realized such a feature.

You did suggest some kind of "voting system or counting system" or "a poll". I asked for a counter or an "I'm in" button. This is the response I got from PentaxForums.com Staff:

I like being liked ;) . So, do so, if you wish (-> Pentax/Ricoh: De-cripple the K-mount! PETITION - PentaxForums.com). However, this thread is rather meant to support the idea or the petition (and not me :) ).
Just a reply here also would not be sufficient, as some members post several times and not all members agree with this campaign.
So, as in a typical petition, I have collected only the supporters up to now in the following way:

Supporter number xxx
Corresponding post #xxxx
Member name xxx (followed by a short comment in brackets)

LAST UPDATE: 12/03/2014 13:30 CEST

xxx #xxxx xxx
------------------------------------------
001 #---1 froeschle
002 #like Alfie (+ #--24: Count my vote!)
003 #like tibi
004 #---4 Aegon (old lenses more useful)
005 #---8 Docrwm (would be nice ... improvement)
006 #---9 Lowell Goudge (not just the crippled K mount ... flash system)
007 #like NaHoruk (+ #--13, great little feature)
008 #--14 paulh (cites 9 -> +1 to this)
009 #--17 kcobain1992 (I'm in)
010 #--18 Not a Number (I'm for this)
011 #--22 JoostW (I endorse a petition)
012 #--23 Tanzer (I'm all for it)
013 #--25 kaiserz (Awesome! I would love that on my next DSLR!)
014 #--27 kenyee (doesn't seem like a hard thing to add)
015 #--30 architorture (Please yes!continuing to develop full frame technologies)
016 #--31 geojazz (DE CRIPPLE THE K MOUNT!!!! )
017 #--32 LFLee (I'm in.)
018 #--33 Mattco26 (I'm all for this, #--85: Nikon does it for their "hobbyists" so why not Pentax?)
019 #--34 GabrielFFontes (Of course! De-cripple it, please)
020 #--35 jeffshaddix (+1 de-cripple it!)
021 #--36 wcchamp18 (+2 de-cripple it!)
022 #--37 Carloz (+1 for de-cripple - Nikon cares enough to maintain an uncrippled mount)
023 #--38 foto guy (+1 for de-crippling.)
024 #--41 Designosophy (This would make life with K and M type lenses so much easier. Why did they remove this capability in the first place)
025 #--43 TomTextura (great it would be to use any of the current FA lenses with aperture rings)
026 #--45 Canada_Rockies (Count me in for the de-crippled mount, and even more so for TTL)
027 #--48 Compur (Count me in.)
028 #--49 Grigoris (I'm also in)
029 #--50 DimitryMD (+1 from me)
030 #--51 aurele (Pentax could do the same : uncripple the mount)
031 #like french_mike (+ #--52, +1)
032 #--53 Warpig (I'm in too)
033 #--54 wisent (count me in)
034 #--55 Macario (De-crippeling the K-mount)
035 #--62 ossy59 (Please Pentax, uncripple the K-mount. It´s only a few Cent or Dollars, and will help us (old) Pentaxians a lot. For me the uncrippled K-mount is more interesting than a FF-DSLR!)
036 #--63 mattiag (Please Pentax-Ricoh de-cripple the K-mount! This can be one of the most important new features in the upcoming cameras, more than FF.)
037 #--64 GibbyTheMole (Yep... I'm for de-crippling the mount.)
038 #--65 Mace (I am also pro a de-crippled K-mount.)
039 #--67 Designosophy (Sounds good to me.)
040 #--68 paulusje (And to me.)
041 #--70 drougge (Yes please, uncrippled mount!)
042 #--72 theperception2008 (I would like to have a non-crippled k-mount!)
043 #--76 Echo Eric (There should be no reason why a new top of the line SLR cant preform as my 30 year old K1000 can.)
044 #--78 geofferiah (I will only buy a Pentax FF if it comes with an un-crippled K mount.)
045 #--86 Quicksand (An uncrippled mount would be pretty good)
046 #--95 TaoMaas (I see uncrippling the k-mount as simply a way to make one of Pentax's biggest selling points even better.)
047 #-107 iht (It'd be nice to take pictures with a de-crippled mount)
048 #-115 BigDave (+1 for de-cripling the K mount)
049 #+dfn fibbo
050 #+dfn zackspeed (-> send this list to Mr. Shiro Kondo)
051 #+dfn gianni
052 #like southlander (+ #-119, Yes please, decripple the K mount.)
053 #+dfn TaxPen
054 #like feverbeaver (add me to the list)
055 #like adrianpglover (Add me to the list! Full manual mode only is not sufficient backward compatibility!)
056 #-125 V'cuz (Add me to the De-cripple the K-mount petition.)
057 #-126 riff (Yes a decrippled k mount is something I want badly!)
058 #-127 yyyzzz (Count me in.)
059 #like tromboads (+ #-128, +1 over here too!)
060 #p--9 Fogel70 (I voted for Uncrippled K mount for M and K series lenses)
061 #p-12 baro-nite (I maxed my votes for K-mount continuation and uncrippled K-mount.)
062 #p-39 befocus (Uncrippled K mount)
063 #p-54 Digitalis (a non-crippled KAF-mount)
064 #p110 stanislav (I would actually like non crippled K mount)
065 #like eddie1960 (liked #---1)
066 #like hjb981 (+ #-134, liked #-123, Very good initiative!!!)
067 #Bdfn ergoden (Blesator -> will ich auch ... möchte ... Blendenring verwenden können)
068 #Bdfn wema02
069 #-131 Kreepax (Add my vote)
070 #-133 Yamagi (a de-crippled mount would be wonderful)
071 #Bdfn ice-dragon
072 #Bdfn Al
073 #Bdfn Arnold (I want the aperture simulator back!)
074 #-137 regentag (I would buy a new Body just for that feature)
075 #like vrrattko (liked #---1, decrippled K mount is a lovely idea)
076 #Bdfn Lefty de Vito (Somit bin ich für den Blesator)
077 #Bdfn Juan
078 #Bdfn derstefan
079 #Bdfn klaus123
080 #Bdfn PINSELHUT
081 #Bdfn Normag 1
082 #Bdfn UndKlick
083 #Bdfn cola (Der Blendensimulator und KB Format würden mich zum Kauf einer PENTAX DSLR bringen)
084 #Bdfn bmk
085 #Bdfn Rauti2
086 #-dfn ErnstK (PM: möchte ich deine 'Petition' ... gern unterstützen)
087 #-139 networker
088 #Bdfn Austro-Diesel (Wär schon schön, fände ich nützlicher als 24x36 mm ...)
089 #Bdfn Orangefield
090 #Bdfn bmu
091 #-141 fs999 (need it for my bellows)
092 #-142 agchang (Pentax has proudly marketed the fact of backward lens compatibility with all slr/dslr cameras and should do so fully in all feature aspects)
093 #-144 Spodeworld (+1! Yes! I love this feature on my D7000 ! Add it to Pentax!)
094 #-145 perron
095 #Bdfn wolfi_z (a great improvement on the issue of backward compatibility)
096 #Bdfn boxer-harry
097 #Bdfn einherzfuerknipser
098 #Bdfn Ramashang
099 #Bdfn AES
100 #Bdfn Yogibaer.bln
101 #Bdfn 1a rabenvater
102 #Bdfn Teevogel
103 #Bdfn penlei (ein Traum könnte in Erfüllung gehen)
104 #Bdfn BerndS67
105 #Bdfn paul
106 #-151 carrrlangas (yes please!)
107 #-152 tlong423 (I would love to see Pentax de-cripple the K mount.)
108 #-153 JorgeR (Yes, please)
109 #-156 jt_cph_dk (Yes. I would like a de-crippled Pentax DSLR)
110 #like UliBär (+ #-157, I vote definitely YES!)
111 #Bdfn learza
112 #-163 iDon (I would definitely buy a de-crippled Pentax DSLR)
113 #-167 Pioneer (I would like to have the K-Mount on my dslr to work the way it does on my PZ-1p. That should not be that difficult to do.)
114 #like Nass (liked #---1)
115 #Bdfn HKMKonz
116 #Bdfn Hasenvater
117 #-170 Roob-N-Boots (Count me in.)
118 #-171 Davidw0815 (Open aperture metering with old lenses would be fantastic!)
119 #Bdfn Eisbär
120 #-179 MysteryOnion (De-cripple it!)
121 #-184 bobpur (Just not acceptable that Pentax has not included this on the K5s after all they advertise the compatibility with the older lenses. If Nikon can do it Pentax should.)
122 #-187 Digitalis (you can count me in. Pentax didn't cripple the mount with the 645D)
123 #-188 Jonathan Mac (I'd love a de-crippled K-mount and yes, it's a feature I would be prepared to pay for.)
124 #-190 topace (let me use my aperture rings the way they were meant to be used, please.)
125 #-191 henrx (Positive)
126 #-192 codeblock (+1, count me in.)
127 #-193 pixelsaurus (+1. Seems like a good idea.)
128 #-194 Gerbermiester (+1. Decripple the K-mount!)
129 #-195 _quicksilver_ (+1 De-cripple it -Now!!)
130 #Bdfn Master of Disaster (Also bin ich dabei!)
131 #Bdfn manolo (Als leidenschaftlicher Altgerätenutzer schließe ich mich natürlich an.)
132 #Bdfn pid (Mich auch!)
133 #-197 dlacouture (I'm in)
134 #-198 MiLKMAN (Count me in)
135 #Bdfn henne (Please give me back the freedom to fully use all the Pentax lenses I've been buying since 1980!)
136 #Bdfn waldbaer59
137 #Bdfn tatrei
138 #-202 obscura (if one of your main selling points is great backward lens compatibility, why the hell do you cripple it ?)
139 #-203 Lupine (so count me in as well, for both de-crippling the K-mount and restoring TTL)
140 #-204 Stratman (I'm in too!!)
141 #-206 gabriel_bc (I've long, long wished that Pentax would de-cripple the K mount. I would buy a new Pentax dSLR merely to have this feature.)
142 #-208 bofh (I'd like to have a full featured KAF2 mount)
143 #-210 lguckert79 (i would love to be able to meter and have controle of my apture ring again)
144 #-214 glasbak (Yes, I want a decrippled mount)
145 #-217 zokes83 (+1 Yes I want a De-crippled K-mount with a aperture ring coupler!)
146 #-220 geedee (A De-crippled K-Mount with a aperture ring coupler would be great! Let's hope Pentax reacts as they have announced.)
147 #like Katier (liked #---1)
148 #Bdfn africanarcher
149 #Bdfn Schellnsau
150 #Bdfn Alfix
151 #-233 tcom (+1, please add me on this list)
152 #-Moderator Bramela (+ #-294, the Pentax consumer wishes to be heard on this issue)
153 #Bdfn blaubaersurfen
154 #Bdfn AS
155 #-235 utak (Yes, please count me in: de-cripple.)
156 #Bdfn Thomasz Xatnep (You can count me in. For a full-frame Pentax this would be mandatory)
157 #-236 Transit (Yes please !)
158 #-237 stingray (Count me in, yes the old fashion way.)
159 #-238 Pentaxle (Very much in favor, heal the system.)
160 #-239 grahame (Pentax should have done that much earlier! Or it shouldn't have been crippled at the beginning!)
161 #-241 floriko
162 #-242 p38arover
163 #-245 Bukaj (Shooting with [...] film cameras with non-crippled mounts makes me wish Pentax de-crippled the mount on current DSLRs)
164 #-249 LaurenOE
165 #-250 rockmaster1964
166 #Bdfn reisschuessel
167 #Bdfn Heribert
168 #Bdfn JGS
169 #-253 kadajawi (if they added the feature for the next camera I'd have to buy a new camera... again!)
170 #-255 TedH42 (using the green button is disruptive, especially for hand-held macro shots)
171 #-256 torge (Yes Ricoh, please do it!)
172 #-257 gilsouthwood (where the hell is the aperture ring, I'm all for this)
173 #Bdfn knixhh
174 #-267 retroflex (Yes to de-crippling!)
175 #-270 deus ursus (I'm all for de-crippling)
176 #-271 hopsing
177 #like cali92rs (Yes! + #-272)
178 #like SpartanD63
179 #Bdfn Uliwin
180 #-276 vkaro45 (I vote to de-criple the k-mount)
181 #-277 TomB_tx (Wish they would. If Nikon can keep compatibility, so could Pentax.)
182 #-279 JohnBee (Count me in!)
183 #-284 mrNewt (Please count my vote)
184 #-285 Shell650
185 #like jcdoss (+ #-286,+1!)
186 #-287 matakacha (Count me in.)
187 #-288 Dmitriy (I vote for de-crippled full K-mount (with the stop-down coupler/indicator))
188 #-289 VisualDarkness (I'm in too! Pentax would have the best mechanical DSLR mount!)
189 #-291 Pedrodelta (+1 from me too....)
190 #Bdfn Sirius
191 #-293 strixaluco (Add my voice, please.)
192 #-295 chhayanat (Vote for K-mount)
193 #-296 minahasa (I'm in. My old glass needs more respect.)
194 #-297 kevbirder (I would definitely like an uncrippled mount.)
195 #-298 robdewall7 (+1 for me)
196 #-299 filoxophy (I'm in for a decrippled K-Mount)
197 #like drache (Yes please start being awesome again.)
198 #-301 Mr Manual (What a great idea. Might we one day see a FF de-crippled K-mount.)
199 #-303 mattt (Add my name.)
200 #-304 macTak (I would love to see this as well.)
201 #Bdfn Thomas W. [Heidelberg]
202 #Bdfn Dimitris E. [Athen]
203 #Bdfn Thomas F. [München]
204 #Bdfn Michele S. [München]
205 #Bdfn sixtyeight
206 #-306 PPPPPP42 (I wouldn't even bother with Pentax if not for backwards compatibility so this is kinda a big deal)
207 #-307 GordonD (A Full Frame DSLR needs De-Crippled mount!)
208 #-308 Gray (Yes! The cripped K-mount severely weakens Pentax's claim to K-mount backward compatibility. Now imagine how compelling a FF dSLR with uncrippled KAF2 mount will be to owners of 35mm classic lenses)
209 #Bdfn Macshark
210 #-312 g.a.p
211 #-313 Petor
212 #-314 Saxplayer1004 (sign me up. hopefully it comes out on the next round of bodies... )
213 #-316 Billgscott (Yes please!)
214 #-317 Mazhe (Sign me up. Let the sun shine on K and M series as they deserve)
215 #like tzrenz0 (this will send the backwards compatibility of pentax to new heights)
216 #like tx0h
217 #-318 sphenodont (The legacy lenses are supposed to be a selling point, so why not fully embrace them? )
218 #-319 pentaxdevotee (please d-cripple)
219 #-321 indy (Pentax needs to de-cripple and go beyond.)
220 #-323 Guakala (De-cripple it now!)
221 #like BigJPR (it sounds like common sense to me!!!)
222 #-325 apathey2131978
223 #-328 deaning (Pentax, listen to the people! )
224 #-329 Belgarchi (Pentax, I want to be able to use my aperture rings!)
225 #-330 Pepe Le Pew (Sign me up Scotty )
226 #-332 Nuff
227 #like stens (liked #---1)
228 #-333 Corto-PA (Signed.)
229 #-334 Pontax
230 #-335 iveous (I would LOVE that feature)
231 #-336 OJGoreng (The crippled mount is the only thing about the K5 I really, really don't like.)
232 #-337 kiwi_jono (I'm in - I would love to see a decrippled mount too.)
233 #-338 kristaps
234 #-341 Brisboy (Decripple please)
235 #-342 Boris_Akunin (Thou shalt not sell crippled cameras!)
236 #-343 todd (i'm in!)
237 #Bdfn Tilla
238 #-345 camerons
239 #-347 Atlantis (this would be a small dream come true)
240 #-348 Johnson (Do away with the minor cost saving Crippled-K)
241 #-349 joergens.mi (would be happy to have this)
242 #Bdfn jedie
243 #-352 Nacho_tyr (+1, from chile)
244 #-353 dominique
245 #-354 tim60 (This would help all users who want to do more sophisticated work, with any series of lenses.)
246 #-355 Quinquen (+1 from Chile, South America)
247 #rice RiceHigh (I have requested this for years now)
248 #-357 tzrenz0 (i'd love to see this on the next offering)
249 #-358 rparmar (one of the main reasons i migrated from pentax to mft. It was a continuous frustration.)
250 #-359 krazykat
251 #Bdfn b.petit
252 #-361 Stephen Coe (I have been wanting this for years.)
253 #-363 Heliotrope (this meager addition would increase the absolute value of
254 #Bdfn Haebbie
255 #-366 SyncGuy
256 #like OldPentaxFan
257 #-368 Sangosto (Yes, we can.)
258 #-369 jbinpg
259 #-370 astraeus19 (Pentax really needs to tout the fact that you can use all old lenses, and make that as easy as possible if they want to sell more bodies under current conditions.)
260 #-371 Heisenberg (I bought my K-5 under the pretense that it was compatible with older lenses, and was very dissapointed to see that there was this major limitation.)
261 #-376 Odinz (My old mechanical low-tech camera bodies can do this without a problem, Please.....De-Cripple the K-Mount!! )
262 #-377 Hornet
263 #-378 Old Man
264 #-379 pento57mm (tired of overriding via body settings)
265 #-380 insulinguy
266 #like lectrolink
267 #like Kmounter (What do we want? Un-cripple the K-mount! When do we want it? NOW!)
268 #-385 nater (I [...] considered creating an online petition for this)
269 #-387 LSR (Please sign me up too.)
270 #like ElleGi53
271 #like valarie (Im In, so many great lenses, that are a bitch to use on the new mount!)
272 #-392 bmf
273 #-395 Fluke
274 #-397 raulmercado

(#+dfn: Blesator and Nikon; #Bdfn: Petition #p---: poll)

Please add your positive vote at the end of the thread.

A printed version of this thread was given to the Pentax representatives at CP+.
The journalist of pentaxforums.com also included a brief paragraph about it and explained it verbally.
Unfortunately, they did not want to comment on it.
There was also no chance to chat with them after the interview.
So, communication still seems to be based on "transfer and pray".
Hopefully, they will take our feedback to heart.