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Compact Power, Premium Clarity Experience the night sky with exceptional sharpness and color fidelity. The Airy Disk APO 96mm f/6 ED Apochromatic R...

Ultra-Portable Precision, Stunning Clarity Discover the universe in sharp detail with the Airy Disk APO 60mm f/5.5 ED Apochromatic Refractor. Desig...

Superior Contrast, Stunning Optical Power The Airy Disk APO 106mm f/6.6 Triplet is engineered for astronomers who refuse to compromise on contrast,...

Compact Power, Premium Clarity Experience the night sky with exceptional sharpness and color fidelity. The Airy Disk APO 96mm f/6 Triplet is design...

Portable Precision, Exceptional Clarity The Airy Disk APO 85mm f/6 Triplet is built for astronomers who want premium optical performance in a ligh...

Observatory-Class Performance Step into the realm of professional astronomy with the Airy Disk APO 204mm f/7 Triplet ED FK61, a massive refractor d...

Ultra-Wide, Ultra-Bright, Ultra-Portable Power Engineered for wide-field imaging and breathtaking visual sweeps of the night sky, the Airy Disk APO...

1x-Flat Field for sharper stars all to way to the edge. Specifically made for the 60mm APO. Screws on to the M63x1-Thread. The spotdiagrams show th...

0.92x Field Flattener / Reducer for all APOs APS-C 2 Glass Elements ED 55mm Back Focus, adjustable T2 AP85 to 469mm f/5.5 AP95 to 529mm f/5.5 AP106...

3 element - 0,75x-Flat Field for sharper stars all to way to the edge. Specifically made for the 106mm APO. Screws on to the M63x1-Thread. ♦ 0,75x ...

0.8x  Field Flattener / Reducer for the 204mm APO3 Glass Elements55mm Back Focus, adjustable to 88mmConnects to our focuser by M63x1 The rear of th...

Premium Aperture, Elite Optical Performance The Airy Disk APO 140mm f/6.5 Triplet FCD-100 is built for serious astrophotographers and dedicated ob...