Topic: Acronyms

AF

What does it mean when a camera or lens has the letters AF on the side of it? Click through to find out in our photography dictionary.

Read More

AL

What Does AL Mean In Photography? AL is an abbreviation of Aspherical Lens and is often used by...

Read More

ASP

ASP Lens Definition ASP is an abbreviation for Aspherical Lens and is used by the manufacturer...

Read More

ASPH

ASPH Lens Definition ASPH is an abbreviation of Aspherical Lens and is used by the...

Read More

CFWA

CFWA stands for Close Focus Wide Angle, and it typically used to describe a technique that is popular with underwater photographers. The idea is to use a lens that allows extremely close focusing, but still shoot with a...

Read More

CN-E

What Is A Canon CN-E Lens? When Canon launched the Cinema EOS camera line for professional video...

Read More

DAM

What Does DAM Mean? DAM stands for Digital Asset Management and in relation to photography, it...

Read More

DO

What Is A DO Lens? The DO lettering seen on some Canon lenses stands for Diffractive Optics.  You...

Read More

EF-M

What Is An EF-M Lens? With the launch of the Canon EOS M mirrorless system in 2013, came the EF-M...

Read More

EF-S

What Is A Canon EF-S Lens? EF-S lenses are designed specifically for Canon APS-C sensor cameras....

Read More