LensCoat® Canon 600

Finally got this on my 600 f/4 and the fit is absolutely perfect, with every cutout for the switches and buttons lining up precisely. The material feels thick enough to offer real protection from the scrapes I inevitably get in the field. It's made a heavy lens a little less slippery to grip, which

Was a little worried about installation, but the precut openings made it surprisingly easy to get on straight. Already saved my lens finish from a nasty scrape against a tripod leg.

This cover fits snugly on my 600 f/4 and the cutouts for the controls are perfectly aligned. I like how the texture breaks up the outline of the lens a bit. Feels like it will protect against the usual dings and scratches in the field.