Stellarvue SV80s DescriptionThe ultra compact Stellarvue SV80S features an 80 mm diameter,
480 mm focal length apo triplet lens, outperforming many other 80mm ED apo lenses by a wide margin.
By using the most advanced glass types in fully optimized air-spaced triplet, this apochromat
is simultaneously corrected for secondary color spectrum, coma, spherical and higher order
aberrations. The SV80S is also a terrific astro-photographic platform. Photographs taken with
the SV80S are stunning thanks to the telescopes extremely high optical accuracy, precise focusing
ability and fast photographic speed.
Using zonal correcting non-equal internal radii, this lens is optimized to satisfy the most
discriminating lunar, planetary and double star observer, as well as the most critical
astrophotographer. As with all Stellarvue Apo telescopes, this lens system is custom-fabricated
by a Zeiss sub-contractor in Russia. All lenses are hand figured by a master optician to achieve
the best possible optical null in the green-yellow wavelengths, where the eye is most sensitive
to detail. Each lens system is then tested by Twyman-Green interferometry for further figuring,
and as a final quality control check, are tested for color correction, spherical aberration,
astigmatism, coma, and zonal aberration. The final quality control check is a star test, on a
real star by Vic Maris. Only when a lens passes this final and most important test, is it
approved for sale.
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SV80s Specifications
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