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

Recent content by Art Thorn

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    Canon EOS 1D MK II

    You say that sometimes it locks up. Is it always with the same card by chance? I had a Sandisk extreme II that I found to cause that problem on occasion. I got a free replacement and have had no problems since. I think the camera was trying to save to a faulty location on the card and hung...
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    Canon 1D II - AF issues?

    AF 1D MKII issues I have also just upgraded, but to a 1Ds MKII (rumours of an S MKIII have prompted some great deals to appear). But I am keeping my 1D MKII also, and using it with telephoto lenses where it will serve every bit as well as the s. I have never had a focussing problem - in fact...
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    Leica 7x42 Ultravid v Leica 7x42 BN

    Not that this adds much to the comparison discussion, but I bought the 7x42 BNs a while back, as well as some classic Zeiss 8x30's with the latest coatings. Both were brand new, but deals I thought. I'm not sure why I did it, other than I had some money in my Paypal account, because I thought...
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    Difference between BA and BN?

    BA vs BN Interesting that the colours and serial numbers don't seem to transition smoothly. I just recieved a new pair of 7x42 BNs and see that the coating colour is indeed green and purple. For the life of me I can't see any difference in contrast ( or even brightness, but my pupils don't...
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    Difference between BA and BN?

    Thanks. I guess there was a change shortly after mine were produced.
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    8x32 Ultravid vs 8x32 Trinovid - Differences

    I am talking about the slc too. Are you interested in selling that?
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    8x32 Ultravid vs 8x32 Trinovid - Differences

    Hi Michael, I'm not sure what 7x42s you have left, but are you interested in selling any (rather than donating)?
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    Difference between BA and BN?

    This thread is of interest to me as I just purchased a pair of 8x42 BAs. The serial number is 1088140. The coatings appear yellow and purple when looking at light reflected in the objectives. I would be interested to know what the coating colours are on the later versions. Incidentally, I...
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    Choice: 300mm f/4 + TC 1.4x or 400mm f/5.6?

    Check out www.photozone.de for tests. But I still don't understand the IS not being an issue if it is a walk-around lens...
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    Pentax 100mm the path to high-power spotter nirvana?

    I agree with you. A decent review of a product is good. But the attack on BVD and Televue was surprising, and had little to do with the review of the Pentax. I own the Pentax 80, by the way, and like it a lot, except for the width of the zoom eyepiece.
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    Pentax 100mm the path to high-power spotter nirvana?

    Wow! Did Televue fry your socks or something? A much shorter statement would have sent your message about suitability without making it sound like you are on a mission. Just a quick question about your setup - are the eyepieces you are using in the Pentax waterproof?
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    Which Lens for Landscape

    There is one other lens that you might want to consider, and that is the Canon 24 tilt/shift. I have found it truely excellent for landscape as its resolution is better than my Canon zoom, and it allows adjustment of perspective and focus/depth of field when needed. If you ever venture into a...
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    Is IS worth it if you have decent legs?

    Since I'm in Canada I will obviously say that the lenses they send here are the best! But that would be an unreasonable assumption - I'm sure they send the same quality lenses everywhere. I haven't any experience with the two 400 lenses, but use the 300 f2.8, without IS, and have to admit I...
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    Which is better SRGB or Adobe rgb

    After much more reading, and learning to use photoshop's soft proofing properly using the actual printer/paper profile for that purpose, and the out of gamut warning, I am convinced that the best way to go is to use the actual camera colour profile all the way up to the last minute, the print...
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    Which is better SRGB or Adobe rgb

    This is getting more and more interesting. I read more and think of more questions. Something that I just saw suggests that I save my files (tif or photoshop format) with the embedded camera profile. Phase One has profiles for each camera that are obvious (I think Camera Raw has them too but...
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