Land Sea & Sky
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The ADC corrects for atmospheric dispersion (rainbow effect) producing sharper images of object closer to the horizon.
A non-focal reducing Field Flattener which gives improved results for photography with triplet and doublet refractor telescopes of between F5.5 and approximately F6.25 focal ratio.
The Lightwave 0.6x focal reducer gives an 0.6x reduction in F-Ratio for faster exposure times, as well as a correspondingly wider field for astro-photography. Designed primarily for refractor telescopes of F6 or longer focal ratios.
Provides FSQ-106EDX4 like field flatness on the FSQ-85EDX
TAKAHASHI TOA-35 REDUCER for TOA-130
TAKAHASHI REDUCER-QE 0.73X FOR FSQ-85ED AND FSQ-106ED
TAKAHASHI REDUCER CR 0.73X
This field flattener/reducer screws directly into the rear focuser rotator of your refractor, converting it into an astrograph with a flatter photographic field than the existing lens system alone.
TAKAHASHI FOA-60 Extender 1.7XR
TAKAHASHI 645 0.72X REDUCER QE
CELESTRON 6.3 FOCAL REDUCER
This large format field flattener is designed to work with the Altair Astro 102mm, 115mm and 130mm F7 EDT Triplet APOs, and has an M48 rear conical adapter for connecting your DSLR or CCD camera.