I photographed these Stereo Rangefinder examples at Nampa ID, Hood River OR, Virginia Beach and New Orleans.

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1944 Bausch and Loumb 2 1/2 meter Stereo Rangefinder

WAAAM, Hood River 2021

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German Rangefinder

I believe this is the Kommandogerät 40

Military Aviation Museum; Virginia Beach 2026

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German Rangefinder

National WWII Museum, New Orleans 2024

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1943 Barr & Stroud #12 MK

Warhawk Air Museum; Nampa, Idaho 2025