TAKAHASHI F/3 REDUCER FOR FSQ-106EDX4 EQ8 The Geoptik Nadirus 12" complete

The Geoptik Nadirus 12" complete kit is a high quality Italian-designed and manufactured Dobsonian telescope made from lamellar beech and birch

TSA-102N/S & TSA-120

That is true also for apochromatic refractors where the chromatic aberration is generally only corrected for the visible light

Even with high-accuracy encoders mounted directly on the axes

TAKAHASHI F/3 REDUCER FOR FSQ-106EDX4 EQ8 The Geoptik Nadirus 12" completeThe Takahashi F3 Reducer is a 0. 66x focal reducer for the FSQ 106EDX4 Petzval Quadruplet refractor. The F3 reducer has an image circle of 44mm, making it suitable for use with full frame sensors. The 0. 6x reduction factor transforms the FSQ 106EDX4 into an ultra fast 320mm f 3 widefield astrograph. Spot diagram of Takahashi FSQ 106EDX4 with F 3 0. 6x focal reducer. Specifications Reduction factor 0. 6 x Backfocus 56. 2 mm Image circle 44 mm