Sunset @ Penang (My first experience with 12-40)

Started May 24, 2014 | Photos thread
OP R V C Senior Member • Posts: 1,231
Re: How to get sharper images

Thomas Niemann wrote:

Nice images.

Note that diffraction can result when the lens is stopped down. For a 4/3 camera, and allowing for large prints, using an aperture wider than f/8 is advisable. Visit this calculator, click on Show Advanced, and try some values.

For a 16mm lens if you focus 10 feet away things will be reasonably sharp from 5 feet to infinity @ f/5.6. Visit this calculator for DOF calculations. One of your images, taken at 16mm, was shot at f/22.

Hi Thomas, Thanks for your advice, appreciate it. and thanks for the link, now i have it on shortcut. . The f22 was a concious choice as the dramatic tones change as i change the exposure (shutter speed or apperture) and that was the best i liked, however in hindsight maybe i should have kept the apperture around 5.6 to 8 and upped the shutter speed. Oh well I learn something everyday!

Thanks and Cheers!!

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