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

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  1. impotentspider

    Pentax A*300mm

    I have been using Catch in focus but so far have not got it mastered, I prefer to manual focus where I know something will land then rely on the DoF to make up for discrepancies, obviously I need days with good light in order to stop down to f11 or even f16 This lens has a very long throw on...
  2. impotentspider

    Pentax A*300mm

    I've just aquired the "almost" legendary A*300mm f4 weighing in at just 850grams and only 132mm long this is one awfully compact lens given its focal length. This lens could be anything from 22-27 years old but aside from the lack of AF it works a treat, took it down to Fairburn Ings today to...
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