Lens selection - M4/3 v Sony A mount

Started May 7, 2014 | Discussions thread
TrapperJohn Forum Pro • Posts: 16,488
A mount is DSLR. NEX mirrorless is E mount.

Sony A mount is the Minolta mount that Sony inherited when it started the Alpha line some years ago. This is a standard long registration distance APS mirrored DSLR mount, or in later cases, the SLT setup Sony came up with that eliminates the mirror but tosses about 2/3 of a stop of light permanently, including when taking photos, to the pellicle mirror EVF setup.

A mount is not mirrorless, and it is not small. It is a good system, but it's not small, and in fact Sony appears to be edging away from it, and may obsolete it entirely in the future.

NEX uses Sony E mount, for which the lens selection isn't that good, though Zeiss makes several primes for it. (at a Zeiss price, of course)

A7 uses... not sure what it's called but it's a different mount, for which very few lenses exist today.

For that matter, Canon and Nikon dwarf all of these for lens selection, but then again C/N don't make much worth mentioning in the mirrorless/interchangeable lens mount arena.

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