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

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  1. B

    Need help with my B &L Discoverer Zoom 60mm - no infinity focus.

    Great tips Joachim, I will start looking further inside. It's just so mint I can't imagine it was ever apart for any reason. I wasn't sure if spotters even went to infinity, but the symbol is on the wheel. I thought about buying a 2nd one to see if same issue. Thx again.
  2. B

    Need help with my B &L Discoverer Zoom 60mm - no infinity focus.

    I will take a look again, buy it focuses to about 600 ft then boom, done for. I tried loosening the focuser wheel Grub screws thinking it maybe was out of position and loose on the mechanism inside but it was fine and it rotates stop to stop. I'm very baffled.
  3. B

    Need help with my B &L Discoverer Zoom 60mm - no infinity focus.

    Hi everyone. I bought a vintage Bausch & Lomb 60mm ,15x to 60x Discoverer Zoom straight through spotting scope that is in mint condition in and out. But I'm puzzled as it won't focus on the moon or stars. So no infinity focus happening. I dismantled the barrel and can see the lens move in and...
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