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Help!-1Day Old 14mm Samyang
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PostPosted: Sun Aug 18, 2013 6:35 pm    Post subject: Reply with quote
examples, still did not have enough time to properly test different setting as many of you suggested, so hopefully for future, even better images will be produced. I think i will keed this lens, what do you think about following images. no post processing. only camera setting, sharp+1 contrast+1










i like how sharp distant forest looks on picture below, look for horizon, but i dont know, maybe they are so sharp because part of sky right over distat forest is burned, sodont know if the lens is sharp or its just because of contrast due to overexposed part of sky



200% crop





PostPosted: Sun Aug 18, 2013 7:30 pm    Post subject: Reply with quote
edited

Last edited by bernhardas on Thu Apr 28, 2016 1:49 pm; edited 1 time in total


PostPosted: Sun Aug 18, 2013 9:08 pm    Post subject: Reply with quote
sichko wrote:

Really ? Then what about this statement ...

Diffraction thus sets a fundamental resolution limit that is independent of the number of megapixels, or the size of the film format. It depends only on the f-number of your lens, and on the wavelength of light being imaged.


Yes, as others said, it is the same but enlarged on APS-C images so it looks worse. For the same reason some lenses look sharper on FF than APS-C, it's because they outresolve FF sensor but not outresolve the pixel pitch of APS-C.

It's worth noting that it also depends on the specific design of lens being used. Some have the aperture iris slightly forward, some have it slightly back, and the shape also matters (diffraction is the reason you get stars from bright lights).


PostPosted: Mon Aug 19, 2013 5:59 am    Post subject: Reply with quote
bernhardas wrote:
The lens looks good. The second last one has a ghost and a bit of flare. That can sometimes not be avoided with ultra wide angle. Try to keep any direct light hitting the front lens as good as possible, if you want sharper pictures in that circumstances.


thank you, appreciate, looking forward to hear from others what they think about this picture quality. i have no similar lens so i cant compare.

thanks!


PostPosted: Mon Aug 19, 2013 6:08 am    Post subject: Reply with quote
They look great, good pop and colour the one with both people in it and girl sat under tree, it looks like the tree will pop out of the picture


PostPosted: Mon Aug 19, 2013 9:05 am    Post subject: Reply with quote
what is wrong with this lens?

looks very good to me.


PostPosted: Mon Aug 19, 2013 9:10 am    Post subject: Reply with quote
thank you all for valuable feedback Smile

its keeper for me now.

now "hunt" for 85mm could begin Smile

take care
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