Rotating lens. To use a polarizer filter is not easy. Some filters cannot be attached to the lens with a hood. I would suggest to make the bore diameter for the hood larger. The front lens is too close to the outer surface so it is easy to damage it if you have no hood.

Good lens, compact.

Similar Products Used:

Sigma 70-300mm, Minolta 24-105D

This lens allowed me to take wildlife photos so detailed you could see the texture of the hair on an elk stag from a distance of 30 yards with ease.

Perhaps a little heavy but worth every ounce.

As good a telephoto as you will ever want. I subsequently traded this lens for a newer 75-300 which was lighter and gave better range, but does not offer the same quality of optics as the 100-300. If I could get my old lens back (along with the extra $$ involved) I would.

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Similar Products Used:

Minolta 70-210, 75-300.