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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

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  1. R

    Review by 'Ron Houser' on item '120-400mm F4.5-5.6 APO DG OS'

    I've had this lens for only 2 days, but after using it to photograph a few birds in trees, I am very impressed. It is much sharper than my old Sigma 400mm APO, which just quit autofocusing. This is a fairly big, heavy lens but I use it on a homemade gunstock mount with my Sony Alpha 100 camera...
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