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Forum: Pentax KP 07-10-2017, 03:12 PM  
Defective battery or defective camera?
Posted By Wingincamera
Replies: 5
Views: 841
My KP (from B&H) came with the three grips and hex key.
Forum: Pentax KP 07-12-2017, 05:53 PM  
Looking for very high ISO shots in real world use...
Posted By idontstairs
Replies: 5
Views: 1,305
Marion Ohio 05-19-2017 | Texas Eagle | Flickr

Here's a shot in just about total darkness.
Forum: Pentax KP 07-07-2017, 11:15 AM  
Looking for very high ISO shots in real world use...
Posted By sqrrl
Replies: 5
Views: 1,305
17GP2842 by secretive squirrel, on Flickr
not a great shot, but fairly normal for 6400iso

17GP2185 by secretive squirrel, on Flickr

32000ISO is grainy, but it's 32000ISO

I can see noise coming in after about 2000iso, which is roughly what I'd expect of any of the top end cameras right now.
Forum: Pentax KP 07-07-2017, 03:41 AM  
Looking for very high ISO shots in real world use...
Posted By Sandy Hancock
Replies: 5
Views: 1,305
Depends on what you mean by very high. Some shots from a recent overseas trip:

1600


Santa Maria Della Salute 3


Palazzo Ducale 2

3200


Siena Duomo 2

AF was reliable and accurate.
Forum: Pentax KP 07-08-2017, 03:38 PM  
Defective battery or defective camera?
Posted By mikesbike
Replies: 5
Views: 841
It could be either. I had one Pentax DSLR body years ago that started eating battery power. It was repaired under warranty. I think you were right to return it for exchange. B&H will probably simply send you another and figure it out afterwards. They are great to deal with. In the box should be one grip on the camera- the small size, then the other 2 sizes as well, along with the little allen wrench.

The smaller battery used with the KP does run low much faster than that of the K-5. Same story with other smaller Pentax DSLRs, like the K-S2 which I also own I know since I also use the K-5 IIs.

I bought my KP from B&H and have been happy with their service and delighted with the KP! Just be sure to order at least one extra battery and put a full charge on both. I have also noticed the smaller battery can eventually weaken if left stored in the camera for a length of time. Much less noticeable if doing so with the K-5.
Forum: Pentax KP 07-08-2017, 08:57 AM  
Defective battery or defective camera?
Posted By Not a Number
Replies: 5
Views: 841
Check the shutter count. It could be a previously returned camera.
Forum: Pentax KP 07-08-2017, 07:15 AM  
Defective battery or defective camera?
Posted By twilhelm
Replies: 5
Views: 841
It does sound like a defective battery. I've had old batteries display similar issues as they are dying.
Forum: Pentax KP 07-07-2017, 02:58 AM  
Looking for very high ISO shots in real world use...
Posted By tbelf
Replies: 5
Views: 1,305
KP + FA 43
f/3.2
1/100
ISO 5000
Noise reduction: auto

PS.
I also upgraded from the K-5 to the KP. So far I have been really impressed, including in low light. I have found the AF to be a big jump forward (my FA 43 now actually works!) and I have no problems with shooting at 6400 (whereas I found 3200 to be my upper limit on the K-5), 12800 is remarkably clean and certainly very useable. While the next k-3 is likely to be as good, if not better, if you love the small form factor of the K-5 I can heartily recommend the KP as a natural progression.
Forum: Pentax KP 07-05-2017, 04:05 PM  
Looking for very high ISO shots in real world use...
Posted By Namsanvt
Replies: 5
Views: 1,305
K-P + HD DA 35mm f/2.8 limited macro.
F/4.0
Shutter speed: 1/30
ISO: 6400.
Noise Reduction off.
Forum: General Talk 07-25-2012, 02:46 PM  
Clap, Clap, Clap....
Posted By Parallax
Replies: 188
Views: 9,365
There are only two types of statistics. The unimpeachable ones that bolster a person's position, and the worthless, contrived ones that refute it.
Forum: General Talk 07-23-2012, 08:36 AM  
Romney to Olympians: 'You didn't get here solely on your own'.
Posted By boriscleto
Replies: 8
Views: 896
Forum: General Talk 07-18-2012, 05:27 AM  
Your latest acquisition
Posted By eddie1960
Replies: 17,773
Views: 1,210,480
LOL I never, repeat never have this kind of luck with AF lenses. Best AF value I have ever got was right here for my DA35 2.4 form a fellow Canuck so no issues with taxes due to the border (AF lenses I am trying to stick to used within Canada because If they cross the border the carrier is required to collect the 13% tax above a certain $ level - I will get nailed on 2 of the lenses i won)
Problem is in many cases i see prices that are so close to what i can get them retail with a 2 year warranty there is no incentive to buy them used.
Forum: Pentax K-5 01-02-2012, 09:58 AM  
Best screen ever for manual focus : Canon ee-S!!!
Posted By derekkite
Replies: 769
Views: 164,581
For fast lenses in good light this screen is much better than the stock. For slow lenses in low light, it is darker although the way it darkens is different than the stock screen. The stock screen is gets very grainy, this one gets uniformly darker.

For my purposes, mostly shooting with a 300mm 2.8 sometimes with a tc, it is a great improvement. If I put my 5.4 300 zoom on, it is slightly better than the stock screen, but slightly darker. The details are clearer even though it is darker.

As for low light, I was out late afternoon walking the dogs, flushed a grouse. The days are short here and it was getting dark. The bird flew into some evergreens and was barely visible by eye. I took some shots and was able to see enough of the white markings to focus, barely. The shots were very dark and I was able to get some detail out of them PP, nothing to show off though. But they were in focus. This with my 2.8. The stock screen would not have given me enough detail to get close to focus.

Buy this to solve the problem that it is designed for; being able to see the DOF of a fast lens. Other situations, low light, slower lenses etc. it is either marginally better or marginally worse than the stock screen. I wouldn't suggest buying it if you don't have the DOF problem to solve. But if you do, you most likely won't have to swap it out for other uses.
Forum: General Talk 12-28-2011, 12:20 PM  
Your latest acquisition
Posted By Docrwm
Replies: 17,773
Views: 1,210,480
The two button model allows you to activate the AE button to refocus if people move. I've found doing so is more likely to result in a sharp picture than using only the single button remote when doing anything that can move in frame. They cost around $7 shipped. RM-E7 remote usually also marked "JJC".

Forum: General Talk 12-23-2011, 06:17 AM  
Your latest acquisition
Posted By dadipentak
Replies: 17,773
Views: 1,210,480
My lba got so bad that I had to stop smoking in order to fund it.
Forum: Pentax K-5 12-21-2011, 07:24 PM  
Q. When is a K-5 + kit lens not a K-5 + kit lens
Posted By creampuff
Replies: 25
Views: 3,894
The fine concentric lines visible in the viewfinder is perfectly normal. The lines are the Fresnel lenses etched on the focusing screen to spread the brightness to the corners of the screen.
Forum: Pentax SLR Lens Discussion 12-14-2011, 02:48 PM  
What is the Best Focal Length for a Portrait Lens?
Posted By RioRico
Replies: 94
Views: 19,729
The days of cheap 85/2s are long past unless you get REAL lucky -- like when I got a Nikkor 85/2 for US$9, and modded it for PK. It's a favorite now! My Jupiter-9 85/2 was US$70 a couple years ago and that's impossible now.

Some possible strategies for cheap thin-DOF portraiture:

* Give up. Use something slower, with the background kept further away. My REAL CHEAP entry here is a Vivitar-LU 75/3.5 on macro tubes -- total cost, under US$15 shipped. I also put on tubes a Zeiss Tessar 80/2.8 taken from an old MF folder. Same price range.

* Finesse it. If you have a 50/1.4, look for a 1.4x TC, which will produce 70/2 optics. Alas, 1.4x TCs ain't cheap, at least none that I've seen, but I haven't looked real hard lately.

* Cheat a bit. A simple +1 dioptre close-up adapter costs a couple bucks and has a focusing range between 50-95cm / 20-38in. Put that on a DA18-55 and you get thin-DOF portraiture. Even better (but much more rare and costly) would be a +0.5 dioptre adapter. Its focus range would probably be around 1-2m.

* Another cheat. I just thought of this and I'm trying it now: A big not-shoddy 1.5x screw-on tele adapter, Sony VCL-1546A (cost: under four bucks shipped) with 46mm thread. The 49-46mm step-down ring cost almost as much. I put those onto my FA50/1.4. The adapter doesn't eat light. It's now a 75/1.4 optic. Focus range doesn't change. My test shots look good! I have a winner!

I love this about these forums: Answering questions and researching problems leads me to new strategies and tactics. BTW, this is now my 8000th post!
Forum: Pentax K-5 12-12-2011, 04:05 AM  
K-5 Missing focus by a mile
Posted By rawr
Replies: 29
Views: 3,660
It may also be useful to map out the EV of the scene, according to your camera's metering, to highlight bright or dark areas in the scene, and get an idea of the illumination the AF was working in.

If you open up a JPEG or RAW file in PhotoMe, it can display the camera AE metering in a very informative way as a graphic. It can also display the AF point used in a shot, although not in the same graphic as the AE.

(Shot with the K-x)
Forum: Pentax K-5 11-17-2011, 12:31 PM  
Need your help isolating a problem...
Posted By JohnBee
Replies: 10
Views: 2,121
Just wanted to update this thread to let everyone know that Pentax has confirmed the issue and that it is being looked-at by Pentax Japan for solution.

I'd like to personally thank everyone who participated for your help and look forward to seeing a FW update to address the issue int he near future;
Forum: Pentax DSLR Discussion 12-07-2011, 06:16 PM  
What causes the whirring noise in LiveView?
Posted By .a.t.
Replies: 48
Views: 6,647
Laurentiu,

I followed pentup's advice and emailed Pentax about the whirring. According to the reply I received, Gimbal, et al are correct about SR being the source. Here's the response:






QuoteQuote:

The “whirring” is a normal operational sound made by the Shake Reduction/sensor assembly and that the sound will be made whether Shake Reduction is on or off. The mirror mechanism will make an audible sound when the mirror is swung up and swung down, but again the “whirring” sound made when the mirror is in the up position is normal and associated with the Shake Reduction assembly.

There is an exploded view of the Shake Reduction assembly on our Web site, but it doesn’t explain how the assembly itself works. (The sensor is on a plate containing motion sensors and electromagnets. The plate rides on bearings between two other plates, one of which contains permanent magnets. When an exposure is made, the plate with the sensor is held in place by a balance of forces between the electromagnets and permanent magnets. If Shake Reduction is turned on, input from the motion sensors will be used to vary the pull of individual electromagnets and adjust the sensor position.



By the way, that reply came from a third party (Total Outsourced Systems Inc.). I suppose farming out such tasks is the norm...



Both my K-7 and K10D make a noticeable whir when their mirrors are up.
For what it's worth, while digging around I found a thread where a Forums member asked about K20D noisy live view:
https://www.pentaxforums.com/forums/pentax-dslr-discussion/51485-liveview-audible-noise.html
Forum: General Talk 12-04-2011, 07:54 AM  
Distrust of Atheists
Posted By kenafein
Replies: 142
Views: 7,351
I am also an agnostic, but they are not exclusive terms, and agnosticism is not on a sliding scale between theism and atheism. Atheism is a lack of belief in a deity. Agnosticism deals with knowledge. You don't have knowledge of a deity, or feel it is unknowable. I am an agnostic atheist. I have no particular god I believe in or have knowledge of, but I don't know how the universe works, it's possible some deity or deities exist (I am pretty convinced it's not the Abrahamic god, or that the holy books are not the inerrant word of god.). Most atheists are agnostic atheists. The other form is gnostic atheism where you claim to know god doesn't exist. You can also have gnostic and agnostic theists along the same vein, but I know this is all semantics and I know exactly what you mean. I just want to let you know you're not alone. Most Atheists feel as you do.
Forum: Pentax K-5 11-29-2011, 02:34 PM  
why the aperture changes for each shot when I use exposure bracketing
Posted By Trig
Replies: 5
Views: 1,227
Just a heads up (in case you don't set a custom or preset white balance or set it in post when you shoot in RAW), the white balance will also change (within the brackets) if you use auto bracketing. So if you use auto bracketing, keep an eye on the white balance values/temperatures on the individual exposures. Of course this only really applies if you are using different exposures together or are making a HDR of the exposures.
Forum: Pentax K-5 11-22-2011, 07:32 AM  
K5 Camera Raw
Posted By JohnBee
Replies: 53
Views: 11,054
Yes that worked(perfect).
With this, I was able to look over the differences between ACR and Bibble Pro and found that that were limited to profiling(basic settings). And so to test this theory, I adjusted ACR to match and created a new profile called: ACR_Event.xmp (see attached file).

Anyways, if you're interested, you can download the profile and give it a try. I'm not 100% certain but it might work in LR too. However, the differences are so small that I think anyone could easilly adjust and create their own profile in LR also. So there's that option as well.

Having said that, I've been looking over Bibbles demosaic output to compare with ACR and I think they are both using the same engine(identical artifacts etc):


As for ACR and Lightroom, I think it's a shame that Adobe doesn't take the time to code the camera profiles into the software. Especially knowing they do it for Nikon and Canon. Having said that, I guess it's not so bad considering that most profiles can be easily created and replicated too. - Perhaps there should be a repository on Pentax Forums for such things.

Anyways, I'm going to give Raw Therapee a look and see how it measures up against Bibble on the profile and demosaic side of things. Who knows... maybe the free software will end-up being the better solution :p
Forum: Pentax K-5 11-18-2011, 10:25 AM  
Best screen ever for manual focus : Canon ee-S!!!
Posted By bilybianca
Replies: 769
Views: 164,581
I recieved a mail from Deki Kuo (who runs Focusingscreen) where he tells me that the EE-s screens are short in availability from Japan (my guess is because of the tsumnami disaster). He only gets it in small, very small, batches so he has problems to keep up with demand, and is very sorry for this. Probably thanks to this thread he gets lots of mails with requests.
Just have patience and check his website regularly, and grab one when it is available. I'm very glad I checked his site just when he had one. One of the best investments I've done since buying my *istDS six years ago.

Kjell
Forum: Photographic Technique 11-17-2011, 11:37 AM  
Shooting urban decay in New York: Where to go?
Posted By wildman
Replies: 15
Views: 1,773
City Hall?
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