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difference between AF-D, AF-G, AF-S?

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.Ray

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Am new to Nikon lenses, and am confused by their model names. I tried but failed to find anything to twll me what the letters represent. Anyone know?

Maybe you can just point me to a web page?

Thanks.

.Ray
 
.Ray said:
Am new to Nikon lenses, and am confused by their model names. I
tried but failed to find anything to twll me what the letters
represent. Anyone know?

Maybe you can just point me to a web page?

Thanks.

.Ray
Click to expand...
In short AF-D D= Distance measuring
AF-S Silent Wave (motors similair to Canon USM)

AF-G (I guess G is one later then F) G lenses have no apeture rings, so they are not usable on most older Nikon cameras.

Nikon has the most confusing lens system. Some lens do some thing on one camera but react differentaly on others.
Some non D lens will not work on the new D-100
So much for keeping the same lens mount.
 
As I understand the Nikon lens standards AIS provides no metering or distance information to the camera's CPU. Metering and flash would have to be done manually. A metering upgrade can be accomplished on most AIS lenses to provide metering, but there is no upgrade for the D distance information to support D-TTL or TTL flash exposure.

AF-S where the S stands for the Silent Wave Motor in the lens vice depending on the camera's internal drive motor. The D stands for distance measuring information used to support the D-TTL and TTL flash exposure.

The G as stated before means no aperature ring on the lens. To some this is a drawback. To others who leave the ring set on the maximum aperature this is a moot point and makes the camera slightly lighter.

The lens mount has not changed.

Regards,
Trent
Leica is still best said:
.Ray said:
Am new to Nikon lenses, and am confused by their model names. I
tried but failed to find anything to twll me what the letters
represent. Anyone know?

Maybe you can just point me to a web page?

Thanks.

.Ray
Click to expand...
In short AF-D D= Distance measuring
AF-S Silent Wave (motors similair to Canon USM)
AF-G (I guess G is one later then F) G lenses have no apeture
rings, so they are not usable on most older Nikon cameras.
Nikon has the most confusing lens system. Some lens do some thing
on one camera but react differentaly on others.
Some non D lens will not work on the new D-100
So much for keeping the same lens mount.
Click to expand...
 
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