Full-frame or APS-C?
This issue will run and run but here, once again, is a look at the question of whether full-frame or...
Author: Jon Tarrant
Background Effects
The ability to create unusual background effects in pictures is not confined to digital manipulation: all you need for one...
Image stabilisation and MTF
Here are some more results examining the effect that image stabilisation technology has on lens resolution.
Diffraction or Exposure Time?
Is it really diffraction that lowers the MTF performance at small apertures – or something else?
Zeiss Camera Lens News
If you’re looking for some interesting reading during the holidays then look no further than Zeiss Camera Lens News. The...
Pinhole Quality
Some time ago I discussed the optimum size for a pinhole to be used in digital pinhole-camera photography. I’ve now...
Fixed or Variable Aperture?
You may sometimes have a choice between two similar lenses; one with a fixed aperture, the other with a variable...
Telescope lenses
Why do astronomers use telescopes? The answer is NOT “to make distant things look closer” but rather to make fainter...
Graham Saxby’s Science of Imaging
Good books on The Science of Imaging are few and far between but Graham Saxby’s is one of the best....