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

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  1. B

    Samyang 500mm f/6.3 Ultra-Telephoto Mirror Lens

    Thanks nikonmike, I've decided to go for a Sigma 150-600 contempory. Any recomendations as to the best place to purchase one?
  2. B

    Samyang 500mm f/6.3 Ultra-Telephoto Mirror Lens

    Hi there, has anyone got any information on the Samyang 500mm f/6.3 Ultra-Telephoto Mirror Lens. They are low priced & the reviews on you tube, Amazon etc are generally good, but I trust the opinions that you guys have given me in the past. I know that they're low budget, but I don't want to be...
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