Uppendahl Roof Prisms

Both prisms have six reflective surfaces and in both prisms one of the surfaces has to be supplied with a reflecting mirror to avoid light losses due to non perfect reflections on that surface.

Uppendahl roof prisms. The uppendahl prism consisted of three prisms cemented together leaving only two air to glass surfaces as opposed to the four usually present on porro i abbe konig and schmidt pechan prism systems thereby increasing light transmission. Produced for 39 years and counting. 8 5 deg 150 ym 1 000 m. 1965 b models long eye relief folding eyecups later standard.

1981 a models rubber. The first series trinovids made until 1990 had an uppendahl prism system and were internally focusing. Leitz wetzlar trinovid 8x32 field of view. Apfov 68 deg weight.

1975 c models compact internal focus. A stunning pair of top quality classic binoculars with outstanding contrast bitingly sharp and producing extraordinary detail. 1963 trinovids introduced production of all other models stopped. Although the non phase coated trinovids did not optically match the.

767252 1972 notes. Roof type systems reflective coatings phase shift and its correction schmidt pechan system abbe koenig system uppendahl system hybrid mirror prism systems anatomy of the binocular objective lenses the achromatic lens the ed objective the apochromatic lens eyepieces simple designs for narrow angles. 1983 replaced by bc bca. One of the few binoculars to use the remarkable uppendahl coated glass roof prisms which were far superior to modern bak4 prisms but ultimately proved to be just too expensive to manufacture.

The original leitz trinovids had uppendahl roof prisms whereas the new leica retrovids were supplied with schmidt pechan roof prisms. In 1963 leitz discontinued manufacture of all porro i binoculars and introduced the revolutionary trinovid series of roof prism binoculars. The leica trinovid bca series birdwatching binoculars are a highly anticipated successor of the original leitz trinovid range from the late 1950s it sparks decades of praise for its unique and state of the art uppendahl roof prism system that remains to be a collectors item even in today s age.