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

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    Swallow de lux Falcon 8x42 wide angle

    Can anyone shed any light on Japanese made Swallow Falcon De Lux 8x42 wide angle please? The FOV is quoted as 9 degrees!! Seems phenomenal.
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    Magnesium or Polycarbonate?

    Modern binoculars invariably seem to have the body made of Magnesium alloys or plastic, i .e. Polycarbonate. Magnesium alloy bodies always tend to be heavier than polycarbonate, which is an advantage if you are viewing something for a long period. So why aren't all binoculars made from...
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    Opticron BGA PC ASF 10x42

    Does anyone have any experience of these binoculars What do the letters ASF mean , I've not been able to find out on the net
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    Removing fungus from old Porro binoculars

    I bought a pair of Porro 10x 50. Charity shop for £15 recently. They aren't waterproof and it looks like there is some fungus growth on the inside of the objective lens. They are Japanese optics with fast focus lever sold by Boots the chemist in the UK. They are clearly generic badged by Boots...
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    What determines the field of view for the same magnification and objective lens?

    I am puzzled. I thought all 8x42 would have identical fov but no!! Can anyone who has more knowledge tell me why the the field of view differs even though the magnification and objective lens are the same!! For example a friend of mine has a 10 year old Opticron 8x42 with only 6 degrees FOV...
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    8x40 Countryman

    A friend of mine has a pair of Countryman 8x40 roof prism binoculars with no manufacturers name on them. !! They quoted bga and some other letters which I can't remember now but it only quoted 6 degrees fov which seemed low for this size of binocular. I searched the internet and they look very...
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    Can anyone identify the real manufacturer

    I am trying to find out who were the original manufacturer of these binos. Although they are labelled Monk Navigator I don't think Monk manufactured them. I think he imported them from Japan. Maybe an older model from Fujinon who allowed Monk to put his name on them. They look liked roof prism...
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    ED or HD?

    Can anyone explain what the difference is between ED and HD glass. Some sites explain. ED as extra dispersion glass and others describe HD as high density glass. Some sites seem to proclaim that these are one and the same. I am confused. - Is ED glass the same as HD glass or is this just...
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    Vortex Razor 8x42 Japanese

    There is a pair of used Vortex Razor binos 8x42 on the market made in Japan asking £400. I guess is these do not have ED prisms so not sure If these are good value. My guess is newer models with ED glass would be better value. Do any members have experience of using these please? Vortex Razor...
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    Amazed at the Customer Care from Vortex

    I bought a pair of second hand Vortex Spitfire 8.5x32 Vortex but they didn't have a case or strap. I contacted Vortex to ask where I could get a new case etc expecting to pay for them but today I received a parcel completely out of the blue from Vortex containing a new case and straps for the...
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    Bino advice

    I have several pairs of binos I have accumulated over several years. 8x30 Carl Zeiss Jena Minolta Classic 7 x 35 W Minolta pocket II 10x25 Miranda Elite 8x21 Miranda 10x25 Vortex 7.5x32 Spitfire, bought recently , I was surprised at the difference in the sharpness and optical quality of...
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    Eyeskey 8x42 hd binos

    What is the considered opinion on these binos? I recently checked up on reviews of these elsewhere and came across a web site called opticsoasis. Link below https://opticsoasis.com/eyeskey-8x42-binoculars-review-a-mess/ which did a sort of forensic review of these binos. It appears there...
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    Hello from Somerset

    Hello, I have sailed for over 50 years and interested in birds and bird calls. I live in Somerset but sail in Dorset, Devon and Cornwall coast mainly.
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    Sea Eagle Binos 8x30 BAK 4

    I inherited a pair of waterproof Sea Eagle Binos. 8x30 8.3deg FOV and BAK 4 optics. Nitrogen gas filled I won these when I renewed my insurance premium on my last boat. I Googled these but I can find no reference to the manufacturer. I suspect they were manufactured by a well known maker but...
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