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Forum: Pentax K-5 & K-5 II
03-06-2013, 10:41 AM
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Thanks, Enoeske! I was browsing this thread and your suggestion was just what I needed. Now I can control whether the aperture and/or shutter speed is changed when auto-bracketing. Bravo!
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Forum: Pentax K-5 & K-5 II
02-16-2013, 11:55 PM
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Kamayok3, what make and model device are you using?
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Forum: Pentax SLR Lens Discussion
10-07-2012, 07:49 PM
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Hello, I'm requesting your help selecting a special lens for my K-7. I shoot time lapse jpg's (hundreds or thousands sequentially) and stitch them together to form a video. All my shooting is fully manual - aperture, shutter speed, focus, white balance, etc. A common problem with time lapse videos (including mine) is flicker resulting from minute differences in the aperture size from frame to frame, because the mechanical iris does not return to the EXACT f-stop from shot to shot, even though the camera's settings have stayed the same. While these small differences might not be noticeable in a side-by-side comparison of two images, they are annoying when displayed in a video. A common way to solve this problem is to force the aperture to stay physically locked in position from shot to shot - in other words, the iris does not open and close between shots. I haven't found a way to do this with my current lenses (Sigma 10-20mm, Sigma 18-200). With both of these lenses, the iris goes wide open between shots. Time lapse photographers often attach older non-automatic lenses to modern camera bodies to manually force the aperture to stay locked in position throughout the shooting sequence, thereby removing this source of flicker.
I would appreciate any recommendations for a wide angle lens (15 - 24mm in 35mm equivalent, fixed or zoom, Pentax or 3rd party), manual focus, that would allow me to lock the aperture in position between shots. I would like to set the shutter speed according to the manual metering through the stopped-down lens. Thanks in advance!
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Forum: Pentax DSLR Discussion
07-25-2012, 10:02 AM
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How do I manually lock the lens aperture, so that it permanently stays at a particular f-stop as I shoot photos?
Thanks!
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Forum: Pentax DSLR Discussion
01-24-2011, 07:12 PM
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Thanks so much for your post regarding the Japanese firmware upgrade site.
I did not have success using the file from the pentaximaging.com site, but for some reason the file from the Japanese site worked perfectly.
Thanks again!
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Forum: Pentax Camera and Field Accessories
01-19-2011, 11:18 PM
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Hi, can anyone recommend a wireless remote timer (I believe they are called an intervalometer) for the K100d and k-7?
Thanks!
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Forum: Ask B&H Photo!
01-19-2011, 11:13 PM
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Can you recommend a wireless remote timer (intervalometer) for the K100d and k-7?
Thanks!
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Forum: Pentax Camera and Field Accessories
12-13-2009, 12:14 PM
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Thanks, RawheaD, for the tip. I looked at the Olympus Varimagni on the internet, but couldn't tell if it fit the K-7. You didn't mention in your post if you were using it with a K-7. So... do you know if it fits the K-7?
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Forum: Pentax Camera and Field Accessories
12-12-2009, 08:14 PM
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Hello All,
Can anyone suggest the make and model for a right-angle viewer that will fit a K-7 eyepiece? Thanks in advance, Stu
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Forum: Pentax DSLR Discussion
12-04-2009, 10:39 PM
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Are there any image quality problems that I should look for when using the D-Range corrections on the K-7?
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Forum: Pentax DSLR Discussion
12-04-2009, 09:14 PM
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I'm still puzzled though... why should I have to press the AF button to focus when the camera is in Live Mode? Why not just press the shutter button (as I normally would outside of Live View) and let the camera autofocus the photo?
It seems goofy to have to sequentially press two buttons (first the AF button and then the shutter button) in order to take a photo while in Live Mode!
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Forum: Pentax DSLR Discussion
11-22-2009, 10:16 AM
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Thanks all, for the tips. I purchased the ebay 12v product.
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Forum: Pentax DSLR Discussion
11-21-2009, 03:51 PM
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Hi, can anyone suggest a brand/model 12 volt battery charger for the K7 D-LI90 battery? I'd like to be able to charge the battery using a car's cigarette lighter plug. Thanks, Stu
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