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SkyWatcher APO Esprit 100 with Flattener
US$ 2,471.34

Esprit 100ED APO Triplet Apochromatic Refractor optical tube with 100mm diameter, 550mm focal length, f/5.5 and equipped with field flattener, rigid case and accessories.
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$Askar FRA500 90mm f/5.6 Refractor$ $Askar FRA500 90mm f/5.6 Refractor$
Askar FRA500 90mm f/5.6 Refractor
US$ 2,118.16

The best seller of the quintuplet series, the FRA500 90mm; It is an instrument suitable for astrophotography.
Thanks to the quintuplet spaced in the air, it provides a flattened field up to 44mm diagonally without the addition of further flatteners/reducers.
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$Askar 140 APO F/7.0 Triplet Refractor$ $Askar 140 APO F/7.0 Triplet Refractor$
Askar 140 APO F/7.0 Triplet Refractor
US$ 2,383.04

The Askar 140APO is a telescope (OTA) with an aperture of 140 mm, a focal length of 980 mm and a native focal ratio of f/7.
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