[GOG427]

I just picked up the canon 100mm 2.8 lens and i freakin love it. But whats the limited/full switch for on the lens? I have looked on-line and the canon site but no manual?

[demonizeZ]

Sony 100mm F/2.8 macro

The lens has the focus distance window with standard markings for FT/M, and DOF marks at F/32. It has magnification levels from 1:1 to 1:10 written on the extended lens barrel. Other useful items include a focus hold button, which can be changed to DOF preview on select Sony camera bodies, and a focus limiter switch, full, for the full focusing range, and two limited ranges, close, which cuts the focus travel down to approximately 6.2"- 12" (157mm-304mm) and about 12" (304) to infinity at far range. This helps speed up focusing, but don't use auto focus for extreme close ups, use manual to get the subject in focus and then move the camera back and forth until your target is sharp. The figures above are for end of lens barrel to subject distances

Its for Sony but may be there functions are the same...

[GOG427]

Look's right, thank you.