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

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  1. wdc

    NL32 vs SF32 (and a few others)

    I'd say the large size of the eyeglass elements and perhaps the very low profile of the eyecups themselves, which may put the warm, moist eyeballs closer to the glass, which might be the culprit. I couldn't say whether the coatings are playing a role or not. Good to know there are practical...
  2. wdc

    NL32 vs SF32 (and a few others)

    Lee, Post 34, I'm pretty sure the designers and manufacturers work pretty hard to split the difference in eyecup specs. to achieve a binocular that accommodates the widest swath of the binocular consuming public. I'm merely suggesting that they might offer optional low profile eyecups for those...
  3. wdc

    NL32 vs SF32 (and a few others)

    Tenex, Thanks for your comments. Much appreciated. Regarding my glare test, I absolutely agree that it is extreme, but looking at a shadow while pointing in the direction of a bright light source is bound to happen at some point, even if briefly. The real value of the test is simply that it...
  4. wdc

    NL32 vs SF32 (and a few others)

    Hi John, I'm sure you're right about the prescription playing a role. Also, I will try the non-prescriptive glasses test. Even my sunglasses are prescription, so will have to borrow some. Thanks for the suggestion of some other high eye relief bins. I do have a Leica Ultravid BR 7x42 that...
  5. wdc

    NL32 vs SF32 (and a few others)

    Thanks James. I had plenty of good role models on the forum to learn from. ;-) Regarding the demise of the HT, I just took a look at the interview Gerhard Dobler gave to Lee awhile ago about the development of the SF...
  6. wdc

    NL32 vs SF32 (and a few others)

    GrampaTom, The reasons may be varied. Perhaps there isn't enough advocacy for it, or the marketing folks either don't see a big enough return for the effort, or maybe don't feel that it reflects well on their brand status.... I think what would move the ball forward on the issue would be for...
  7. wdc

    NL32 vs SF32 (and a few others)

    Thanks Torview. I hope you enjoy the 7x42Fl, and looking forward to hearing your thoughts on it when you have the time. That one has been ' a binocular of interest' for me as well. -Bill
  8. wdc

    NL32 vs SF32 (and a few others)

    Hi Lee, Good suggestion. I do regularly push the spectacles up my nose for the ones that are vignetting the field, but there's still just enough of a 'gap' that I have to resort to pushing bins and glasses into my eye sockets to get the field in a rather uncomfortable, unnatural manner. Your...
  9. wdc

    NL32 vs SF32 (and a few others)

    Hi JC, Yes, it is frustrating to be misled by the stated eye relief, when it is the usable eye relief that is the more essential data point for eyeglass wearers. I also think the AFOV can play a role in this issue. Ideally you want it to be as wide as possible, to get the most immersive...
  10. wdc

    NL32 vs SF32 (and a few others)

    Thanks Andy!
  11. wdc

    NL32 vs SF32 (and a few others)

    6 of one, a half dozen of the other? The same effect. With glasses you don't have a tactile positional awareness in the manner that binoculars directly touching your eye sockets provide.
  12. wdc

    NL32 vs SF32 (and a few others)

    Fair question! Because the image circle feels perceptually centered in my visual field in that position. I have to move the circle off that axis to diminish the crescents. It may also have something to do with wearing bifocals.... ;-)
  13. wdc

    NL32 vs SF32 (and a few others)

    Last October I was able to purchase a slightly used Zeiss Victory SF 8x32 from a fellow bird forum member for a good price. I already own an 8x42 SF, which I bird with regularly, and was curious how its smaller sibling would behave. When it arrived, I found I liked everything about it initially...
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