These compacts have an internal focussing system and a completely new body design, seeįigure 4. In the beginning of the new millenium Leica introduced another compact line: the Ultravids 8x20 andġ0x25. Over and over, but we did not observe pollution of the internal optical system. Because of the measured low light transmission of the Leitz 8x20C it was carefully inspected In the BC Trinovids the right eye diopter control was moved from theĮyepiece to a new position around the objective barrel, see the Titanium Trinovid BC from 1998 The first ones had hard eyecups (an example is tested here) but laterĭesigns had pull out-push in eyecups (the Trinovid BC series). The binoculars had internal focusing and a diopter adjustment controlĪround the right-side eyepiece. Production of it started in 1974 with the models 8x20C and 10x22 C,
Binocular numbers series#
In the beginning of the nineteen seventies the Leitz design team developed some protoypes for a series THE LEITZ-LEICA COMPACT TRINOVIDS AND THE ULTRAVID. In terms of meaning, the objective lens determines how much light can enter the binocular. A 10x50 binocular means that it has objective lenses measuring 50mm.
It implies the diameter of the objective lens. NAMED RETROVID) COMPARED WITH OLDER LEITZ-LEICA TRINOVIDS AND WITHīINOCULARS FROM BECK, FOTON AND THE NEW KOWA 6,5X32. The second significant number is the latter number of 10×50 I have just mentioned above. PROPERTIES AND PERFORMANCE OF THE NEW LEICA TRINOVID 7X35B (=HERE Unfortunately it does not quote a year for this Ive just found this on the net which indicates that production of the first 'C' model started in 1974 and that the diopter control moved when the 'BC' variant was produced.
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