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

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  1. Wasabrot

    Determining the date of manufacture of the Hartmann Wetzlar binoculars

    After WWll the Leichtmetall Porlerims had until ~1948 no Made in Germany on it. Only Made in US Zone Germany or nothing. Also the prism shift mechanism was different in the early post war area as the have only one middled screw on the prism cover plate. I know that at least in 1955 they used...
  2. Wasabrot

    Determining the date of manufacture of the Hartmann Wetzlar binoculars

    Thank you Gijs, your 157180 Bernina is one of the last Hartmann binoculars. I have only one found with higher serial number.
  3. Wasabrot

    Determining the date of manufacture of the Hartmann Wetzlar binoculars

    Thank you Jan, from the serial number i would have expected it to be produced around 1975. Do you know if guarantie card is for second hand or initial sale?
  4. Wasabrot

    Determining the date of manufacture of the Hartmann Wetzlar binoculars

    It seems that a part is broken out. To your question above, yes you have to collimate it again. Bring prisms to middle position and check that no image is tilted while looking through each ocular. The good thing is that you can shift the prims later via the holes of the cover plates when body...
  5. Wasabrot

    Determining the date of manufacture of the Hartmann Wetzlar binoculars

    Under cap you have the screw with two holes. After removing this screw you can remove the right ocular. The left ocular has a small screw which fixes the oculars bridge arm with the focus wheel below so that bridge will be leveled up when you turn focus wheel. Is this little screw broken at...
  6. Wasabrot

    Determining the date of manufacture of the Hartmann Wetzlar binoculars

    Hi Pondweed, welcome to this forum. 9x40 is a rare configuration for Hartmann. I have found only 15 examples in the internet from the 50's till 70's (based on serial number) all Polerims no wide angle versions. Based on the spec for the 8x40 I would guess that with same AFOV of ~56° FOV would...
  7. Wasabrot

    Baby S

    I think the problem would be that the kids have to step back 2m to view the bug, spider or whatever.
  8. Wasabrot

    FHR for 10x32 and 12x42 NL

    Thats the reason why I use the FHR even for my 8x42. A great add-on for eye glass wearer.
  9. Wasabrot

    Perhaps another game changer

    Of course when someone wants to spend 6k, Nikon will be preferred instead a Chinese product. But if a chinese manufacturer could make the same and sell it for 3k, some people may come interested. The WX is with IF and its weight limited in its use but a roof with CF and 8x42 half the price as...
  10. Wasabrot

    Perhaps another game changer

    When a MIC binocular manufacturer could copy a NL pure with same specs and close quality they would sell it for 1500€ instead of 500€. Also chinese companies want to make profit. ;-)
  11. Wasabrot

    Strap question

    Are have the bino always so close? As in your picture I wear it only during cycling or walking when I do not want to use it. When I'm in ready mode where have to be fast looking through the bino I have it much far away so the lose ends of the straps are much shorter. So no need for me to cut...
  12. Wasabrot

    New AX Visio 10x32 binocular

    Here I found a little real live demo of the bird ID recognition.
  13. Wasabrot

    New Swarovski product announcement in January 2024...?

    Featherlight comes from Peter and not from Swarovski itself. ;-) I'm curious how good the optical properties will be and which addtional AR functions will come in the next years.
  14. Wasabrot

    New Swarovski product announcement in January 2024...?

    https://www.swarovskioptik.com/at/de/vogelbeobachtung/products/binoculars/ax-visio Now we have it on official Web Page.
  15. Wasabrot

    New Swarovski product announcement in January 2024...?

    https://www.birdforum.net/threads/new-binoculars-from-swarovski-range-32-and-new-phone-adapter.444323/ They are on the Swarovski Web Page since August last year. So not a "new" product.
  16. Wasabrot

    Habicht with sticky rubber

    @AegisEag I dont know if it was written before in this thread but DEET containing insect repellents act as resolver for rubber, syntatic fabrics and leather. Since you currently live in a hot country with high humility I quess you are faceing a lot of mosquitos so you check the ingredients of...
  17. Wasabrot

    Which binocular(s) did you use today?

    The first two numbers are the manufacturing date. It was made in 1970.
  18. Wasabrot

    Diopter settings

    Diopter correction of infinity 7dpt means that you can focus 7dpt beyond the normal infinity point or better when you are short-sighted up to -7dpt you still can focus your binocular to have a sharp image at maximum focus point. If you have -7.25 or more dpt you have to wear contact lenses or...
  19. Wasabrot

    What did you see in your binoculars today?

    Today me and my Swarovski NL Pure 8x42 have been in the "Wasserpark" a small public park in Vienna with a couple of conected ponds and a bird sanctuary (an island where gray herons are breeding every year) inside. I hoped to watch the kingfishers which live in this park but here I had no luck...
  20. Wasabrot

    Who would actually buy 7x32 Ultravids?

    In this forum so many people (including me) would like to have more (near) alpha 7x binos. Does this forum do not represend the typical bino user? Of corse the most posters are birder. In astronomy 7x is only of interest with huge FoV to overview big starclusters, usually they need higher...
  21. Wasabrot

    The classic 7x42 porro comparison: Swarovski Habicht vs Hartmann Bernina

    Because I had only vintage binoculars unitl I buyed myself my first modern bino this summer (8x42 NL pure), i'm used to have no glasses while using binos. My astigmatism is not that much that it makes problems. I even never noticted it before I got my NL. So I will leaveand enjoy them in...
  22. Wasabrot

    The classic 7x42 porro comparison: Swarovski Habicht vs Hartmann Bernina

    Eye relief, Stray light resistance, Optics I have measured at Habicht an eye relief of 6mm to eye cups plus 9mm from eyecup to ocular, in total 15mm. Specs says 14mm so measurement is not perfect but also not completly false. At Bernina i have measured 10mm plus 8mm, in total. With glasses...
  23. Wasabrot

    The classic 7x42 porro comparison: Swarovski Habicht vs Hartmann Bernina

    Coatings, Colour rendition Both binoculars have the purple double layer coatings typical for this era. While the Habicht has this yellow cast typical for such coatings (also known at russian and CZJ binoculars with MC from this time) the Bernina shows indeed more natural colours. My single...
  24. Wasabrot

    The classic 7x42 porro comparison: Swarovski Habicht vs Hartmann Bernina

    FoV, Close focus, Eyepieces I tried measure FoV and came to a result of 117m on1000m for the Habicht. From specs I know it should be 114m. Yes the Habicht has a tunnel view. The Bernina has an even smaller FoV with measured 111m on 1000m but sharp area reaches closer to edge than at Habicht...
  25. Wasabrot

    The classic 7x42 porro comparison: Swarovski Habicht vs Hartmann Bernina

    Weight, size, mechanics Next to the Habicht, the Bernina looks huge. With 15cm, Habicht is 2,5cm shorter than Bernina. Width is with 15-17,5cm also less than Berninas 16-18cm. On the scale the Habicht shows 542g while Bernina has 686g. Focus wheel and diopter is on Habicht much stiffer, but...
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