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

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  1. E

    Old Vivitar 283 flash gun and 20D

    I have an old Vivitar 283 flash - at least 25 years old - which is in perfect order and served me well on my old Canon AE-1 film camera. I would like to use it on my new 20D but I've heard that the flash "trigger voltage" on this old gun may be too high for the modern digital electronic in the...
  2. E

    350d - 20d

    I have a 300D and want to upgrade. Would anyone care to give me an opinion on how much better the 20D is to the 350D
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