Optic

Trench mount or The Single Joint Tree Screw–Eingelenkbaumschraube  what a long name if directly translated. It is the standard item for the SF14 trench bino as well as other optics. It was sold as a relic in affordable price. Rusty but still robust, all parts was tightly locked together, after soaked by rust release for…
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The most essential part between the Scherenfernrohr and the tripod is the turning drum, Richtkreis Messkreis. This is another over engineering piece of the German gear, without it no degree can be read when turning the big rabbit ears scoops on top. My friend sent me two rusty relics of the drums, only one could…
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The lenses had been professionally cleaned, tried to make a protection covers even didn’t confirmed it fits the period or not. Found only handful of pics has covers on top lens and one pic on bottom lens of the SF14z but didn’t know it is postwar or not, but practical enough. Happened to have some…
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After repaired by the master, my Slovakian friend fits the replica sun hoods to the S.F.14Z and painted German grey to fits its manufacture year as well as my collection period of prewar and early war. It was then packed with care and sent to me by speed post, however it didn’t avoid the damage…
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Never dream of to have a chance to own such a piece of gear, this S.F.14z was found in a scrap yard in Serbia, its been heavily used in 2WK and the civil war throughout the decades. It was made by ‘bmk’ (Srb & Stys, Fabrik praeziser Messinstrumente, Prag), date 1939. With Belizean coat of arms,…
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Always wondering what is the purpose of the folded rulers at the mid section of the RK31.When the pedals pressed the ruler swung out and joined at center, how cool it is!! But how to use? Not until Thomas O’Brian told me it can be separate when unscrewed the screw deep inside the center tube.…
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The missing piece. The shaft stand in most of the (RK31) Richkreis aiming scope in the transportation case are always missing, saw only few cases has retained it. This robust brass replica with four 2.5mm holes on exact spots at the floor of the case, base diameter 66mm x 2mm thick, 13.5 mm dia x…
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The belt loops on the RK31 leather pouches are designed for link up by one single leather strap, which forms a single unit with main body, scope and lighting system. Assembled a 1.8m long leather strap for such task. Spent some time to went through all these loops, struggling to made it through without damage…
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The first RK31 (Richtkreis 31) was for sale after the good second set obtained, but decided to keep it since the leather case came. But it was covered by thick Norwegian green. Its time to repaint it to match with the restored periscope, after scrap off the thick paint the original markings arose again, now…
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Around two years ago I obtained my first periscope of the RK31, it was in such a poor condition and I had no experience to determine the lens condition then just bought it as price right. and not aware the hassle to replace or clean the prism. As the blurry lenses and corroded housing, why…
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