Customer Review

335 of 341 people found the following review helpful
5.0 out of 5 stars An extremely versatile lens., January 7, 2005
This review is from: Canon EF 100mm f/2.8 Macro USM Lens for Canon SLR Cameras (Camera)
This is the lens I leave on my camera for general purpose use. At non-macro focus distances, it is a very fast lens in a convenient short-telephoto length. The images are sharp out to the corners. This is one of those great Canon lenses that probably deserves an L-series rating but is available without the red stripe and exorbitant cost.

Tested in an astrophotography context (point sources on black backgrounds - excellent for revealing aberration and coma), I have found that this lens is reasonably sharp at f/4 and completely sharp by f/5.6. For daylight terrestrial photography, the tiny aberrations caused by the wide-open f/2.8 aperture are hardy noticeable and by f/4 the images are exquisitely sharp.

There is a lot of glass in this lens - it is heavy. I highly recommend buying the tripod collar as it allows you to attach the camera and lens to a tripod or ballhead with much better balance.

Also, if you plan on using the macro functionality, keep in mind that the effective f-stop of the lens goes way up when you're focusing at very close range. At 15cm from the front surface, it performs as though it were an f/9. You'll either want a lot of light or a very steady subject and a good tripod (another reason to buy the hideously overpriced tripod collar).
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Showing 1-2 of 2 posts in this discussion
Initial post: Jul 8, 2008 1:45:31 PM PDT
L. Grayes says:
Hi Richard,

I've looked around for the tripod collar you talked about, but I've had no such luck. If possible, can you send me a link so I can purchase one? Thanks so much.

In reply to an earlier post on May 3, 2010 1:31:20 PM PDT
T. Garrett says:
It's probably too late for the original post, but here's the link for future prospective buyers...

Canon Tripod Mount Ring B (B) for EF 100 f/2.8, Macro USM, MP-E65 f/2.8, EF 180 f/3.5L Macro USM Lens only.
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