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

Recent content by Tobias Mennle

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    New Zeiss binos 8x40 SFL and 10x40 SFL

    Agree on the diopter adjustment, not promising, but if it works, why not. As a variant of the SF, I expect field flattening in the weird way the SF is field flattened (that is, existence of a field flattening lens) and which has little to do with the Swarovski way (effectively flattening the...
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    6 January 2022 - New Leica announcement

    Of course the Noctivid will profit as well if they want to deliver for birding. The most obvious changes are neutral colour and higher contrast. It could well be that new glass types were incorporated that needed other coatings as well, but I am sure Leica really decided to go for neutral...
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    6 January 2022 - New Leica announcement

    I did make a short argument how I compare. I compared my old 7x42 about 3 months ago directly to my SLC, thoroughly, and I am comparing the new 7x42 against the SLC, too. The 8x32 I always have a second reference, as well as EDG and Noctivid until recently. I had the SLC in Wetzlar and the only...
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    6 January 2022 - New Leica announcement

    I can say for sure the 7x42 is massively improved compared with my ex 7x42 from 5 years ago which I loved, using my one year old SLC8x42 as a reference line. Most UVs in Wetzlar were a bit weaker than the SLC under the observation conditions, except the phenomenal 8x50. The new 7x42 is much...
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    6 January 2022 - New Leica announcement

    Regarding the 3D, given the same stereo basis, the optical correction does influence the perceived 3D in so many ways, field curvature is obviously one important thing, as well as contrast. I´d leave the details to the optical designers because in the end it is rocket science. It does matter in...
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    6 January 2022 - New Leica announcement

    Noctivid 8x32. I keep my fingers crossed I can see the "true greatness" that is painfully absent from the 42mm Noctivids but still plenty enough in my UV8x32HD+. It´s of course an ironic advertising statement - true greatness does not depend on size etc. There is no room and also no need for...
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    Objective coating Changes

    John, I totally believe you that manufacturers do need to balance glass properties with different coatings, and even to accommodate for different batches of the same glass, which must be a royal pain. The latter I take from cinematography forums, because when a set of prime lenses does not have...
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    Objective coating Changes

    Of course you are right, because the full argument needs a 180 degree twist to be comprehensible. The colour that is reflected by the coating is definitely strongly reduced in the transmission curve, so the colour cast is "opposite" on a colour wheel. Colour wheel is the handy interface in the...
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    Objective coating Changes

    I´d call them Chinese nightmare coatings.
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    Tobias’ Visit to Leica Wetzlar

    Regarding the 30 year warranty, starting Jan 1 2021, fully transferable, first 10 years no matter why a damage happened: Leica Sport Optics Warranty Program That would explain the steep rise in prices for Leica binoculars, as I expect Leica has to pay for insurances... ;) Now the question is...
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    Tobias’ Visit to Leica Wetzlar

    I deliberately refrained from mentioning the Zeiss Design Selection but the similarity is indeed amusing. Glad I did not spoil the discovery for you. The Leicas look much better though. Nevertheless the final design was much nicer, a wonderful design and binoculars which have proven to survive...
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    Tobias’ Visit to Leica Wetzlar

    Thanks for all your input. Regarding Leica warranty, I was wrong and will correct that information asap. I have not double checked, but then I am not a paid journalist. I am pretty sure I got this information somewhere during the day in Wetzlar, but can't remember where and why. I found it very...
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    UVHD+ coating change between 2015 and 2019?

    In case of the SLC 8x42, magenta/tobacco and blue are reflected, suggesting a slight yellow-green bias. Exactly confirmed by Gij´s measurements. But granted this an exception, most coatings look more complex.
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    UVHD+ coating change between 2015 and 2019?

    Thanks for pointing this out, I find this VERY interesting and well worth investigating! Generally, Leica coatings seem to differ a lot and change over the years. And it might be well possible that Leica used older HD lenses they still had in stock in HD+ binoculars. Two points why I find this...
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    Is it really worth buying an NL 8x42?

    The 8x42 SLC is a stunning glass and it surpasses all other available as new 8x42s I have tried in its lovely, very deep rendering of space. It drags you right into the scene, in that sense it is more transparent than the competition. It is together with the Leica UVHD+ the only alpha 8x42 now...
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