Land Sea & Sky
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The ADC corrects for atmospheric dispersion (rainbow effect) producing sharper images of object closer to the horizon.
CELESTRON .7X REDUCER C800HD
TAKAHASHI EXTENDER-ED 1.5X
This field flattener is designed to work with the Altair Astro 80mm F6 Super ED Triplet APO, and has an M48 rear thread adapter for connecting your DSLR or CCD camera.
TAKAHASHI TOA-35 REDUCER for TOA-130
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.
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.
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 645 0.72X REDUCER QE
Provides FSQ-106EDX4 like field flatness on the FSQ-85EDX
TAKAHASHI FOA-60 Extender 1.7XR
The new FC/FS Multi-Flattener 1.04X is designed as a universal replacement to previous flatteners in the FS and FC series of fluorite doublet telescopes.