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Forum: Pentax SLR Lens Discussion 09-19-2009, 12:37 PM  
40mm DA vs 43mm FA
Posted By scorpioh
Replies: 73
Views: 30,387
Wow, the colors from the 43 looks nice compared to the 40 imho.
Forum: Pentax SLR Lens Discussion 09-16-2009, 07:18 PM  
40mm DA vs 43mm FA
Posted By ll_coffee_lP
Replies: 73
Views: 30,387
Just for the record...I like Pepsi much better than Coke too.

Forum: Mini-Challenges, Games, and Photo Stories 06-18-2013, 07:06 AM  
Post-Processing PP Challenge #100 Winners
Posted By Paleo Pete
Replies: 4
Views: 756
Thanks a lot for the 2nd place and the excellent comments.

Congrats Akarak, nice job. I liked yours too, gives it a good mood.
Forum: Mini-Challenges, Games, and Photo Stories 06-18-2013, 04:09 AM  
Post-Processing PP Challenge #100 Winners
Posted By Na Horuk
Replies: 4
Views: 756
And winning entry quote, with short explanation:

Congratulations, thanks for participating, I really like it :)
Forum: Mini-Challenges, Games, and Photo Stories 06-17-2013, 11:30 AM  
Post-Processing PP Challenge #100!
Posted By Na Horuk
Replies: 20
Views: 2,199
Im going to be closing this contest early tomorrow my time, so that people in other time zones can still participate last minute.
Forum: Troubleshooting and Beginner Help 06-06-2013, 07:36 AM  
Easy K-X 16:9 crop composition?
Posted By JimJohnson
Replies: 9
Views: 956
I think the only time anyone objects to "broken" English on this site is if the poster is from an English speaking country, but is too lazy to type in full sentences.

I strongly encourage everyone to edit their profile and include something in the "Location" section that tells us where you are in the world. Even just the country or region will help. It also helps to know when there are big time zone differences between people who are adding posts.
Forum: Pentax SLR Lens Discussion 05-28-2013, 02:12 PM  
The relationship between Limited FA lenses and Medium Format standards.
Posted By Ben_Edict
Replies: 40
Views: 5,571
Your findings are true - but its very old wisdom. I cannot quite understand what you mean with "magic"? The standard focal length of any given film format is equivalent to the diagonal of that film/sensor format. That's it. So it is now wonder, that the Pentax 43mm lens produces roughly an image with similar "look" as the 80 mm on a 2.5'' square (thought the square format adds a different aesthetics to the image.

The only thing is, that hardly any other manufacturer deviated from the well-establishe standard fls officially. There are a few exceptions, but most stick to a 50mm lens offcially (though the print on the lens may be noticeably different from what is the real fl - I made a comparisson in the past for 20mm lenses and the real fl varied by +/- 10% between makes).

It is fine, that you discovered some established relationsships on your own and that you are enthusiastic about it - but obviously it provokes some sarcasm, if you try to show that off as being new or especially brilliant. Any good photography textbook should have tought you these things.

Forum: Pentax SLR Lens Discussion 05-27-2013, 07:01 PM  
The relationship between Limited FA lenses and Medium Format standards.
Posted By fuent104
Replies: 40
Views: 5,571
Yes, they could have, but they chose not to. The fact that they chose "odd" focal lengths for their premium series of lenses would lead me to believe that the focal lengths were intentionally chosen to contribute to the uniqueness of each lens. That's part of what makes great design great design -complete control over every creative decision. Part of the design philosophy of the FA limited lenses was, necessarily, that the focal length would be one of the unique properties of each lens.
Forum: Pentax SLR Lens Discussion 05-25-2013, 09:48 AM  
The relationship between Limited FA lenses and Medium Format standards.
Posted By dadipentak
Replies: 40
Views: 5,571
Yeah, I can see how that seems a bit weird. It was just late-night mumble after an attempt to follow the conversation. No disrespect intended.
Forum: Troubleshooting and Beginner Help 05-21-2013, 04:17 PM  
Dropped my lens. Need help figuring out the problem.
Posted By Adam
Replies: 3
Views: 1,054
Probably a dented piece of lens barrel. Check to see for any marks on the outside of the lens that might suggest where the lens impacted the floor.
Forum: Pentax SLR Lens Discussion 05-16-2013, 07:06 AM  
DA 35mm f2.4 AL vs M 50mm f1.7
Posted By SyncGuy
Replies: 23
Views: 8,474
Oh my GOD!! And i thought i was the ONLY one in this whole wide world, in the age of digital photography (APSC), that understood this totally! -_-".. It was VERY frustrating when trying to explain this to people why i feel the need for FF, mainly due to compression factor!

Kept getting rebutted, "It doesn't change... It's just a crop.." or "it's not too different, just move your feet.."
Like, what in the world are they talking about? Best thing? I get this often from shooters of the yesteryears; film shooters (FF).

Guess after 2 years of shooting, i found another sane person! The VERY reason why the ~50mm FL has always been labeled as the "normal" lens; because perspective/compression is almost equivalent to what one's eye sees and NOT just FoV!
No ~50mm equivalent in the world, in any format smaller than 35mm FF can replace what you see exactly at that point in time.. It is exactly being able to shoot with both eyes open..

Hmm... I really think it's not right to label this 35mm or any other 35mm in the world as a "normal" lens. Read the explanation above again...

Anyway, to TS, just get it... I bet you'll use the 35mm more..
Forum: Pentax SLR Lens Discussion 05-16-2013, 05:53 AM  
DA 35mm f2.4 AL vs M 50mm f1.7
Posted By Na Horuk
Replies: 23
Views: 8,474
I have a M 50mm f1.7 and DA 35mm f2.4. The M 50mm is sharper and noticeably brighter at max aperture. It also performs better wide open (the DA 35mm has some axial aberration wide open), and the M 50mm also has a smoother bokeh and more "retro" output. But the DA 35mm has fast AF, modern rendering, and its very light/compact. I love the DA 35mm, but if you start with a M 50mm f1.7, you might be disappointed with anything that isn't "limited." But even though I listed some cons to the 35mm, its not a bad lens, especially when you consider the price. Oh, and btw, the 40mm XS is also a good choice, its cheap, has AF, very very compact (record holder), and has optics basically identical to the 40mm limited. I would even say that the 40mm XS is sharper than the M 50mm and has that modern rendering, with nice circular bokeh (curved aperture blades). No quickshift, though.

Very good point! People talk about "equivalent FoV" and "equivalent DoF" way too much, there are other more important lens characteristics.
Forum: Photographic Industry and Professionals 04-18-2013, 12:38 AM  
Absolutely Superlative Customer Service from Pentax (DA*'s 16-50 and 60-250)
Posted By Heie
Replies: 9
Views: 2,778
I just wanted to share my experience with Pentax headquarters in Denver regarding what I consider to be absolutely outstanding customer service on behalf of Pentax USA.

I bought a brand new copy of the DA* 16-50 f/2.8 from Pentax directly to replace the copy (solely because I wanted a warranty on the lens because I depend on it so much - the lens in the giveaway is in excellent condition :D ) that is currently being competed for in the DA* 16-50 Giveaway. When I received it, I noticed there were some deformities on it, and submitted pictures along with a description to the person I was in contact with at the Denver (USA) Headquarters. That letter was as follows:
The images I sent were as follows. Note that these were all taken with the DFA 100mm Macro WR at nearly 1:1 - the scratches are not massive which is why I thought it was dust at first (and would explain why I failed to get a single shot with all of them in focus :D )

Front Element
Attachment 168582

Another Angle of the Front Element
Attachment 168583

Impact Site and Glass Crack
Attachment 168584

Impact Site
Attachment 168585

Opposite Side of Distance Window, No Damage
Attachment 168586

I was then asked to confirm my shipping address, which prompted confusion because I still hadn't sent back this copy that I had in my possession. Inquiring about what address to send the lens back to, I received the following email:


Hello Mr. Jansen,

The reason that I asked for you to confirm your address is because we are going to just ship a replacement unit to you. There is no need to return the other lens and we do not want to burden you with this. You can destroy the lens or do as you wish with it. We are not sure what happened to the lens in the packaging, but our apologies for any inconvenience caused by this. I am in the process of getting your lens right now. I will confirm and provide tracking information when it becomes available.

Thank you for your patience in this matter.

Best Regards,


On the same day, from another rep I received an email regarding my DA* 60-250. For those of you that don't know, I went to New Zealand during my deployment's midtour R&R, and on the second day in New Zealand I absolutely destroyed my K-5 and DA* 60-250. I took them under a 180m tall waterfall without realizing that the battery grip's port cover on the underside of the camera was not there, flooding the camera and lens (but don't blame Pentax's WR! The K-30/DA* 16-50 survived it as expected!) which is the only reason I acquired the K-5 IIs to replace the K-5. Anyway, the DA* 60-250 was destroyed, and after sending it to CRIS, they told me it was beyond any repair. I sent the following email to Pentax in late February:
I was told to send it in and they'd take a look at it. A week later I was told that it was being sent to CRIS, Pentax was covering the repair cost (there was no warranty on the lens mind you, and even if so, the damage would not be covered by it), and that CRIS would send it directly to me afterwards. After not hearing any updates for a few weeks, I casually inquired about the status to see if any news had just missed my inbox. It turns out that CRIS was still unable to repair the lens, but the wait was because Pentax USA was waiting for a DA* 60-250 to be shipped from the production plant to then be shipped to me. I replied in the following manner:



I just sent the following email to Ms. H. and I would like you to know that the same applies to you 100%:


I don't know what to say. Thank you so very much. This is....I don't know what to say. And especially when considering the DA* 16-50 as well. Thank you.

And no trouble at all - I understand things happen and some of it is beyond anyone's control. However I want you to know that your office's handling of my personal grievances have been nothing short of exemplary and with aplomb.

Again, thank you.

Very Respectfully and Humbly,

I just received the package yesterday, and both lenses, the 16-50 and the 60-250, are in brand new, perfect condition.

Thank you, Pentax USA for going above and beyond.

This is customer service.


P.S. while I was instructed to destroy a DA* 16-50, I absolutely cannot bring myself to do it (how could I?! could you?!). Perhaps this is a calling for more dust and weather sealing video demonstrations :D
Forum: Mini-Challenges, Games, and Photo Stories 04-09-2013, 11:41 AM  
It's Good to be FEARLESS! - The Heie DA* 16-50 Giveaway
Posted By Heie
Replies: 198
Views: 40,788
Thank you, Mike.

We are working it. There are two scheduled to be posted shortly (within 12 hours of this post). Again this is the Pentax Forums website. Not the DA* 16-50 Giveaway Website. As such, the front page is not reserved for this giveaway and this giveaway only, but Pentax news, forum news, etc, and they all have to be balanced around for their fair amount of time to debut as the cover story, and some more than others.

As for why this way? Because it guarantees each and every article is given the absolute maximum amount of exposure as possible as opposed to having a link with 40 articles and then expecting each member to read through them all en masse.

In the mean time, like I said above, I am personally adding them to the home page news system, editing, formatting, re-uploading images (to this site's database), embedding videos, etc for every. single. entry. For someone that works 80+ hours a week, this is no short order.

Frankly I would have expected those who humbly submitted their entries to show a bit more gratitude.

That obviously doesn't apply to everyone, but it is disheartening nonetheless...

Very Respectfully,
Forum: Troubleshooting and Beginner Help 03-27-2013, 02:00 PM  
jinfinance focusing screen
Posted By Lowell Goudge
Replies: 23
Views: 2,409
Do not get bent out of shape about shims. Start off by doing a straight swap of your screen with thie Pentax prism. I have done both my *istD and K10d and never needed to install shims using the Jin finance screen. I think the issue with shims is more related to two other points. First. Do not take any shims if installed in your camera, leave timely there and install the new screen, itis likely the right arrangement for the new screen, second, mybexpience and anecdotal comments about the need to shim screens is more related to Pentax mirror cameras (I.e. the entry level bodies and not the flagship cameras) install thie screen and use it. If you are still having issues then look for shims, they cost about $6 for a set, and looks for. On lines instructions to make the necessary adjustment. But I have never had to do this.

The dual split image is pretty good and I find more accurate than single split. As to accuracy vs horizontal, this is all relative the split image finder is. Most accurate when at right angles to the image edge, nothing mo nothing less. Rotate the camera a little to achieve this before shooting and it does not matter horizontal vs diagonal
Forum: General Talk 03-20-2013, 02:51 PM  
Poll: **VOTING** Pentax Shirt design - 2013!
Posted By Adam
Replies: 199
Views: 34,368
I've been reading a lot of negative comments regarding contest rules and selection process, etc. This really bugs me because we try hard to make these competitions fun and and easy to enter, and I know that the organizer of this particular contest certainly didn't want to be unfair to anyone.

While I understand that people whose submissions don't appear in the poll may be frustrated, it was in fact originally stated that all submissions would be subject to approval. Thus, not all submissions made the cut to be shown in this (second) stage of the selection process as there was an unexpectedly-high number of submissions overall. Furthermore, because the winning design will used for shirts meant to represent, the site staff will have the final say in who wins the competition. The winner of the competition may or may not be the same as the winner of this poll. I apologize that this wasn't made clear earlier. To make up for it, we will be making a number of honorable mentions as there are lots of great designs here, and the authors of those designs will be receiving free account upgrades on the forum!
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