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Thread: ZEISS West Germany 25x f= 10.5mm eyepiece

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    Default ZEISS West Germany 25x f= 10.5mm eyepiece

    Hello all,

    the ZEISS 25x (f=10.5mm) eyepiece has been designed for the ZEISS Stemi professional grade stereo microscopes, as used for the assembly both in the optics and microelectronics industries.
    The eyepiece pair has allowed stereo views with high contrast and high resolution at the magnifications up to about 150x.

    Manufactured still in the ZEISS plant in the university city of Göttingen, it has found its way to the ZEISS fan club of the astronomers, as reported the last time on CN in 2015,

    ZEISS 25x 10.5mm.jpg

    The eyepiece has the item code number 46 44 01, for the 46 xx xx ZEISS Stemi microscopes, like the ZEISS Stemi SV8 in my arsenal. The traceable series number follows the item code.

    The eyepiece used to be delivered in the protective plastic container,

    ZEISS 25x unpacked.jpg

    indicating with Z-Prüf the final quality inspection.

    The front field stop (diameter 10.3mm) is followed by densly packecd fully multicoated lenses along the 11 mm distance,

    ZEISS 25x inside.jpg

    yielding an apparent field of view close to 55°.
    The tube has the diameter of 30mm, the total length of the eyepiece is 37.5mm,
    and the weight is 33.9g

    Thanks for reading,

    Binoculars: Leica Ultravid 7x42, 8x42HD; Swarovski EL 8.5x42 Swarovision; Nikon 10x70 Astroluxe; Docter Nobilem 7x50 Porro; Jenoptem 7x50W, 10x50W; BA8: 10.5x70, 15x85; 25x100FB, AsahiPentax 8x40, Refractors: Sky-Watcher 150mm/750mm; Leica APO Televid 82mm (25x-50x WW ASPH); EPs:Baader Classic Orthos; Fujiyama ortho, Leica B WW, ultrawide zoom ASPH, Periplan GF, HC Plan S, L; DOCTER UWA; Wild UW mil; Tele Vue Delos, Nagler Zoom, Plössls; Swarovski SW; Pentax XW; ZEISS diascope B WW T*, Carl Zeiss E-Pl; Hensoldt mil; Filters: Astrodon, Astronomik, Baader (CCD), TS; Astrophotography: AstroTrac; Leica R7: Leica 2/50, 2/90mm, 2.8/180mm lenses
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