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Camera lens tips

Choosing a lens and basic lens categories.
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What is bokeh
What is rear or internal focussing
What is low dispersion glass?
What do “aspheric” or “aspherical” mean?
What is a lens coating?
What is a lens element?
What is distance data and which lenses support it
What is image stabilization?
What is full-time manual (FTM)?
What is the difference between the various kinds of lens motors (AFD, MM, USM)?
What does a Roman numeral on a lens refer to
What is a bayonet mount?
What is focal length?
What is a lens aperture or f stop
What is a slow lens or a fast lens?
Can I use the Canon 100mm macro lens for portraits?
I want to take closeup (macro) photos. What do I need?
Canon extender compatibility list
There’s dust inside my lens
What is a focal length multiplier (or cropping factor) for digital and APS cameras?
What’s the big deal about f/8?
I have a consumer Canon camera. Can I put a professional L-series lens on it?
Can you use non-Canon lenses with EOS cameras?
Can you use old Canon manual-focus lenses with EOS cameras
Are there compatibility problems with any EF lenses made by third party manufacturers
Are there compatibility problems with any EF lenses made by Canon
Is it okay to change lenses when there’s film in the camera?
How are lens hoods named?
What does a lens hood do
Hey! I can turn the focus ring of my lens past the infinity mark! Why
 
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