OT: Question for Royal Navy binocular grogs

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All Forums >> [New Releases from Matrix Games] >> War in the Pacific: Admiral's Edition >> OT: Question for Royal Navy binocular grogs

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OT: Question for Royal Navy binocular grogs - 2/6/2018 6:39:47 PM

panzerwilly2

Posts: 15
Joined: 7/14/2017
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Hello, I have a pair of Barr & Stroud 7X CF41 7X50 binoculars that I inherited from my Grandmother. She was married to a British Army Officer who served in WWII. I looked up the binocular's serial number and they were manufactured in 1945. They work wonderfully, but I have a question. They have a red, yellow, and green filter switch for both lenses. In what circumstances would each be used? Sun, fog, night etc... thanks!

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RE: OT: Question for Royal Navy binocular grogs - 2/7/2018 4:32:22 AM

JeffroK

Posts: 6391
Joined: 1/26/2005
Status: offline

quote:

Barr & Stroud 7X CF41 7X50

The green and yellow filters were meant to increase the contrast of a grey ship against a blue sky and sea while the grey filter was to flatten contrast when looking into bright sunshine or a searchlight beam. This information is thanks to William Reid's fascinating book, " ' We're certainly not afraid of Zeiss' Barr & Stroud Binoculars and the Royal Navy", ISBN 1-901663-66-3, NMS Publishing Limited (National Museums of Scotland), 2001.
https://www.flickr.com/photos/binocwpg/4407390939/in/set-72157623234405689

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(in reply to panzerwilly2)

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RE: OT: Question for Royal Navy binocular grogs - 2/7/2018 5:46:00 PM

panzerwilly2

Posts: 15
Joined: 7/14/2017
Status: offline

Thanks very much! I'll take them house boating this summer and see if I can spot any U-boats :-)

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RE: OT: Question for Royal Navy binocular grogs - 2/7/2018 6:25:12 PM

JeffroK

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Joined: 1/26/2005
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