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

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  1. Hor Kee

    Pentax 560mm f5.6 announced

    Pity, 'coz Pentax is the only company apart from Canon that makes an autofocus 400mm 5.6 with in-body SR too. Great 'lil lens, but no longer in production. Makes me wonder why Pentax decided to abandon so many of its FA* autofocus lenses from the film era, the diversity of which easily rivaled...
  2. Hor Kee

    Pentax 560mm f5.6 announced

    Does this lens have a SWD motor? If not the Sigma 500mm looks like a steal! If Sigma updates this lens with HSM, it would be a killer!
  3. Hor Kee

    Pentax 560mm f5.6 announced

    Is it me, or does the lens itself telescope or collapse inwards for storage?
  4. Hor Kee

    Pentax 560mm f5.6 announced

    If I was a Pentax user I'll be eyeing this lens with much interest. Should be smaller (but not by much) from the Sigma 500mm F/4.5 lens that currently constitutes the only 500mm prime option for Pentax users (bar those mirror lenses). My hunch is that it would be boradly similar in size to...
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