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

Recent content by spitfiretriple

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    What's next for Zen-Ray: your input.

    Charles 1. Go for the jugular: take on Nikon's iconic 8x32SE2. To make it clear that's your target, you'll need to go 8x not 7x, and 32mm not 35 or anything else. Call them 8x32SED2 or 8x32SED or 8x32SED3. If you can, make them water-resistant. BUT: They'll need to be as good (not...
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    What's the best ever Leica porro?

    I came across these while researching. The're rather dinky. I understand they're very good if not perfect for what they're designed to be - a compact, light, rugged, effective binocular for soldiers looking at big things at least 500m or so away. But I understand that the very design features...
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    What's the best ever Leica porro?

    Thanks John, Henry I've followed your suggestions (and scrolled down your link Henry to the Leica spreadsheet) and researched further and it seems my idea was not a particularly good one; it seems I'm not likely to end up with a reasonable pair of binoculars for my money if I go the route I...
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    What's the best ever Leica porro?

    I can't afford (or won't justify) the price of a modern Leica roof/uppendahl prism, even 2H. But I fancy a Leica. Well, James Bond had one so it must be good. I reckon if I go back a few years to when porros ruled the roost I might be able to get something good for not too much money. I've...
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    papilio 8.5 close focus question

    Pretty big inches you've got there in the states. I thought most US measures - gallons, currency - were smaller than the imperial equivalent?
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    ED Chinese Binocs on Ebay $200

    And they can't spell.
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    What causes a binoc to lose it's "zip"?

    Maybe you've been spoiled by your alphas? Maybe, too, your eyes aren't what they were 25 years ago?
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    Are the Papilio's only for close up work

    They're certainly dinky. And I have for a while been thinking about getting a stereo microscope (I have only a cheap and nasty "mono"). But the only deal I could see in Britain for these was £318. Way too much for what is nothing more than a whim. PS Thanks! I am, I'm afraid, a bit of a...
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    warning - Victory FL scratched eyepiece by glasses

    Just a thought. Irrespective of the brand blindness, maybe children's eyes are better than our own at discriminating between binoculars.
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    Porro or Roof

    Buy these two and you'll need nothing else except maybe a way to clear your overdraft.
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    Are the Papilio's only for close up work

    You tried it in a shop, Ron, and were impressed. Now try in in your garden, and examine the petals of a flower. And see for the first time in your life the delicacy of the fragile veins of colour. Now look at a butterfly sipping nectar from that flower. Marvel at its coiled tongue darting...
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    Are the Papilio's only for close up work

    Are the Papilios only for close-up work? Simple answer: No More complex answer: It goes without saying that the Papilio is the bees kness when it comes to looking at ... err.. bees' knees. But does this automatically mean the Papilio is no good for birding? Again, no. I have a 6.5 Papilio...
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    nikon E11 10x35s a fair price suggestion

    There is no such thing as a fair price. There is only the market price. The only effective way to establish the true market price is to offer the item to the market. If you want to do a face-to-face deal, prudently avoiding "lost/damaged in the post", fine: Sell them on Ebay, but make it...
  14. S

    What else determines Depth of Field?

    I understand (or at least I think I do) the mathematical argument that links DofF to magnification and to magnification only. But I have a theory I'd like to air that might explain why perceived DofF is not always the same as theoretical DofF. This theory (I doubt it's a new one) appears to...
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