Monthly Archives: June 2023

Equivalence – sensor crop factors and more

How do you take similar photos using two different cameras? For example consider an image I might take with my Canon R5 (full frame, 45 MPx) an image with a 50 mm lens. To get the same field of view … Continue reading

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Lens Diffraction – all you ever wanted to know, and a lot more besides.

You have probably heard of lens diffraction and its effects of softening your images when the lens is set to a small aperture (large f-number). The image above illustrates diffraction effects (Click on the image to see an enlarged image … Continue reading

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Depth of field – a simulator …

Here is a useful resource to help you get your head around depth of field and how it changes depending on aperture, focal length, focal distance and sensor format. You can see the effect of changing any of these parameters … Continue reading

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