Search results for 'back focus' - page 1730
Full Frame getting closer ?
As you say, it is not a static market. - As new FF cameras are introduced at a much lower price point, they start competing with premium APS-C cameras. - On the other end, new compact system cameras with APS-C sensors are introduced and can attract those who want a very compact camera (Nikon 1 -...
Posted by Smeggypants on 04/02/2013 - 18:16
Full Frame getting closer ?
1. I would expect that kind of support when buying a camera over £2k 2. Which accessories are Pentax not making? Or are you referring to third party accesories. 3. Top of the range dual slots etc cost money. A pro friend of mine shoots Nikon, his D3s has now been with Nikon for four months for ...
Posted by cabstar on 05/02/2013 - 08:31
Grips. Essential or not?
I briefly had a K10D with grip after buying it as part of a package that I wanted the lenses from. I absolutely loved the feel- I'm a big chap, and it made the camera feel that much more secure in my grip, as well as making extended portrait shooting feel much more relaxed and comfortable. Now th...
Posted by timothyw on 02/02/2013 - 14:16
PENTAK K5
Is there any way to reset the numbering system on the k5? back to 0001?
Posted by cretemike on 03/02/2013 - 11:37
PENTAK K5
I did it on mine early in its life but this may be easier... quickest way is format card take one shot. on pc rename to imgp0000.jpg (or any other number you want. slip back in camera take one image, format card and voila your back at 0002
Posted by malcolmk on 03/02/2013 - 12:12
Merits of APS sensor
Hi folks, My name is Ric Hochulski. I hale from the frigid north of Western New York, I shoot with a K5 with a K7 as a back up camera. I operate palladinphoto.com and have been involved in photography for over 25 years. All of my lenses are designed for full frame except for one a Tamron 10-24mm. Th...
Posted by palladin on 03/02/2013 - 14:06
Merits of APS sensor
I can't say I've had problems with the DoF on the crop sensor, I just stick a longer lens on and move further back:wink:, ALL formats will have both pros and cons, at the end of the day you work with what you have or what suits your style, so do we really need to continually argue about F/F v APSC.
Posted by fatspider on 05/02/2013 - 09:16
Merits of APS sensor
[quote:3496ace15f="rparmar"][quote:3496ace15f="sussexwolf"] Sorry, but there are no photographic advantages to a smaller sensor. If you think there are, remember you can simply crop an image made on a large sensor to get the same net effect. There is an advantage if you want DoF at a small apertu...
Posted by Dr. Mhuni on 05/02/2013 - 09:36
Merits of APS sensor
I thought I was comparing two identical focal length lenses to show how actual DOF changes by having a different sensor behind them. Best regards This is academic. Surely what counts is how a camera behaves in use. This is a shot I took with a Q: I couldn't have got such DoF (the rain on ...
Posted by Dr. Mhuni on 05/02/2013 - 18:40
Merits of APS sensor
It had never occurred to me that shot was with the Q Andrew, great stuff. The larger dof is great for candids as there is much more chance of getting the subject in focus.
Posted by DrOrloff on 05/02/2013 - 19:15
Merits of APS sensor
I thought I was comparing two identical focal length lenses to show how actual DOF changes by having a different sensor behind them. Best regards This is academic. Surely what counts is how a camera behaves in use. This is a shot I took with a Q: I couldn't have got such DoF (the rain on ...
Posted by K10D on 06/02/2013 - 22:55
FF & RF Best Aperture?
Use wide-open if possible. With an AF lens the focus will be wide open anyway. By using the same you record the same. -
Posted by Algernon on 06/02/2013 - 13:43
FF & RF Best Aperture?
Vic the smallest aperture is what you need,the DOF is at its smallest making it easer to adjust,if you do it at the largest(smaller number) aperture this is where you need exact focus as you close the lens the DOF is larger and doesn`t affect the shots as much. Hope this is as clear a...
Posted by montyaus on 06/02/2013 - 13:57
FF & RF Best Aperture?
I think Jack that you have got it the wrong way round. Yes, you do have it the wrong way round Jack. To check focusing you use the largest aperture (aperture = size of the opening) which paradoxically equals the smallest f number. The larger aperture produces a shallower depth of field (DOF) m...
Posted by Mannesty on 06/02/2013 - 15:28
FF & RF Best Aperture?
One thing to consider Vic is some lenses maybe soft wide open anyway. So, it may on occasion make sense to close down by half to a full stop :wink: My Sigma 70-200mm EX DG OS lens seems quite soft wide open, but it's not really a problem as long as you can see that the most in-focus part of the imag...
Posted by Mannesty on 06/02/2013 - 15:56
FF & RF Best Aperture?
Vic the smallest aperture is what you need,the DOF is at its smallest I think you're kind of mixed up. DOF is at it's shortest when the lens is wide open, and that's where it should be to check for front focusing or back focusing. edit. Should have read further before posting.:oops:
Posted by pentaxian450 on 07/02/2013 - 00:52
K5 - AF Fine Adjustment function
I am trying to get my head around the AF Fine Adjustment function on the K5 (page 126 of the manual). Is this used to sharpen images at capture where the auto-focus on some lenses can be a bit 'off' ? If so, is this preferable to (say) routine sharpening for RAW images in Lightroom ? If anyone us...
Posted by Stridey on 07/02/2013 - 15:51
K5 - AF Fine Adjustment function
It's not possible for anyone to give you the number to set because the function is there to fine tune any lens which doesn't focus spot on. In other words, to correct for manufacturing tolerances where necessary. If you don't have a focusing problem then it doesn't need doing, but if you think yo...
Posted by johnriley on 07/02/2013 - 16:21
K5 - AF Fine Adjustment function
AF Fine Adjustment is there to enable you to correct for minor focusing inaccuracies on a per lens basis (up to 20 lenses) if you need to. It does not compensate for softness. In truth, these focusing inaccuracies are more noticeable when using fast lenses wide open, which is why the adjustment i...
Posted by Mannesty on 07/02/2013 - 17:46
K5 - AF Fine Adjustment function
AF Fine Adjustment is there to enable you to correct for minor focusing inaccuracies on a per lens basis (up to 20 lenses) if you need to. It does not compensate for softness. In truth, these focusing inaccuracies are more noticeable when using fast lenses wide open, which is why the adjustment i...
Posted by Smeggypants on 07/02/2013 - 20:31
