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

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  1. Roy C

    Review by 'Roy C' on item 'EF 400mm f5.6 L USM'

    When I was looking to buy a birding lens the main credentials were at least 400mm focal length, Good IQ and light enough to be able to carry around for hours upon end as I do a lot of walking and get my bird shots as and when an opportunity crops up. The 400mm f5.6 fitted the bill as longer...
    • Roy C
    • RMS review
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