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

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    Leica APO-Televid 82 v. Swarovski ATM 80 HD

    etudiant, There's no thread that lists my stuff. I don't want to highjack this one, but in answer to your specific questions and with apologies to the OP: six tripods: aluminum, wood, carbon fiber, usually Gitzo 3530S for birding a drawer full of diagonals from years of optogeek collecting...
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    Leica APO-Televid 82 v. Swarovski ATM 80 HD

    FWIW, the Porters at Birdwatching.com don't use a Barlow. They use a small 2x telescope placed behind the eyepiece of the scope being tested. That works fine for measuring resolution on a LP/mm chart. Jerry, I use small Astro-Physics (92mm) and Takahashi (90,78,50mm) astronomical refractors...
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    Leica APO-Televid 82 v. Swarovski ATM 80 HD

    Questions of magnification do seem to come down to personal use and quality of optics. I use 90-92mm scopes. With those I find the "pointless" magnifications are the ones below 30x. 40-80x is the useful range most of time, sometimes up to 100-120x for a distant bird if the air is steady. I...
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    Leica APO-Televid 82 v. Swarovski ATM 80 HD

    benm, Thanks for the very comprehensive review. Your description of the star tests suggests that you had the great good luck of acquiring an absolute cherry sample of the Swarovski. It's rare in my experience to find a spotting scope specimen of any brand, including Swarovski, that isn't...
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