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Xtreme 1.5x quadruplet focal extender for RiFAst and RiLA. 42mm corrected field [OS-XTFE15]

OS-XTFE15
$2,379.76 USD
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Officina Stellare:  Extreme 1.5x Extender for RiFAst and RiLA
a 4 element extender for RiFAst and RiLA Officina Stellare astrographs
Designed from our master optician Massimo Riccardi, this 4 lens design extender will bring your powerful RiFAst or RiLA telescopes up to f/5.7 and f/7.8, increasing resolution and keeping the same – tiny – star’s shape.
It’s fully corrected for a wide field of 42mm. A KAF 1680X chip can be used anyway, with a small amount of vignetting and quality decrease on the extreme borders. It’s fully diffraction limited from 450nm to 730nm

About Xtreme 1.5x quadruplet focal extender for RiFAst and RiLA. 42mm corrected field [OS-XTFE15]

Officina Stellare:  Extreme 1.5x Extender for RiFAst and RiLA
a 4 element extender for RiFAst and RiLA Officina Stellare astrographs
Designed from our master optician Massimo Riccardi, this 4 lens design extender will bring your powerful RiFAst or RiLA telescopes up to f/5.7 and f/7.8, increasing resolution and keeping the same – tiny – star’s shape.

It’s fully corrected for a wide field of 42mm. A KAF 1680X chip can be used anyway, with a small amount of vignetting and quality decrease on the extreme borders. It’s fully diffraction limited from 450nm to 730nm

FOCAL INCREASE
-1.5x
LENSES NUMBER
-4
CORRECTED FIELD
-42mm



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