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

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  1. B

    Freeing a B&L Zephyr diopter?

    The attached photos are of a B&L Zephyr diopter. This unit has the worst hardened grease I've ever encountered. Freeing and separating the focus components was much tougher than for any green grease I've seen. This stuff is almost like a cement. Alas, the diopter is defeating all of my...
  2. B

    New Vortex Razor (22-48/65) vs Old (16-48/65)?

    Can anyone comment on the differences? The "old" version is available for roughly $895, while the "new" version is $1200. What's odd to me is that the old version is 8 oz. lighter, has significantly closer focus, better eye-relief, and two-system focus, in addition to a longer zoom range. All...
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