Canon EF 70-200mm f/4 L IS USM vs. EF 70-200mm f/2.8L IS II USM

There are many great reviews of those lenses, some links are provided at the end of this post. Focus of this non-scientific mini test is to add information  how the two lenses compare in aspects that I did not...

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Crop factor and DOF

Factors impacting depth of field (revised) Depth of field  (DOF) is impacted by the following factors: Factor Details Aperture The wider the aperture opening, the narrower is the depth of field. Focal length The longer the focal length, the narrower the DOF. Camera to subject distance Sorter distances...

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Canon lenses for baby photography

There are many web sites where photographer can find tests and reviews of lenses. Some of these sites are listed below and this is no attempt to provide information about general performance of lenses. Instead, I am focusing on...

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Canon 100/2.8L Macro vs. 135/2L vs. 85/1.2L Mini Test

Canon 100/2.8L Macro is a lens with primary use in macro photography. This article is looking at how is it doing at longer distances to help decide suitability for landscape work. Sharpness Test Conditions Test images were taken with Canon EOS 5D2,...

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Canon 16-35 and 17-40 Side by Side Comparison

I have been using the Canon EF 17-40mm f/4L USM for several years. I liked this lens a lot, especially its color and contrast. Unfortunately, I do not use flash and even for hand hold nature shots I frequently...

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