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

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  1. Mark9473

    Any experiences with Takahashi 60/76mm refractor telescope for terrestrial use?

    You could add a 8 mm spacer ring in your visual back to achieve a little closer focus distance. I'm not sure how much difference it will make. There's a formula to calculate but I don't have it on my phone. Another thing you could try: if the eyepiece holder can be removed on that diagonal...
  2. Mark9473

    Any experiences with Takahashi 60/76mm refractor telescope for terrestrial use?

    With your current set-up, how many mm of travel range do you have left on the focuser with the scope set to infinity focus?
  3. Mark9473

    Any experiences with Takahashi 60/76mm refractor telescope for terrestrial use?

    I forgot to mention, the Baader Mk.IV has a slightly more favourable focus position than the Mk.III. Whether that is sufficient for you to reach infinity focus is hard to predict.
  4. Mark9473

    Any experiences with Takahashi 60/76mm refractor telescope for terrestrial use?

    I would look for a shorter visual back on the end of the focuser. Or if you're very brave you can cut a bit off your OTA...
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