Airy Disk

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...

0.8x Field flattener/reducer for the 204mm APO.  3 glass elements.  55mm back focus, adjustable to 88mm.  Connects to our focuser by M63x1.  The re...

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 ...

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 spot diagrams show t...

Airy Disk APO 152mm f/5 ED Refractor Telescope FCD1 Explore the Universe with Unparalleled Clarity This isn’t just any refractor—it’s an observato...

The perfect telescope for the small home observatory. The Airy Disk 140mm Apochromat represents a top-tier telescope designed to meet the needs of ...

The 106mm Apochromat telescope is a dream come true for both astrophotography enthusiasts and visual observers who are seeking the utmost in contra...

A compact 96mm apochromat for powerful images. This APO telescope, boasting a 96mm aperture, presents a delightful combination of outstanding optic...

A compact apochromat for powerful images. This APO with a 96mm aperture offers astrophotographers and visual observers excellent optics and high-qu...

Portable 85mm Apochromat with ED lens made of Japanese glass. Enjoy crystal-clear observations and capture stunning astro photographs with the new ...

Glass used: HOYA, CDGMAperture: 60mmFocal ratio: f/5.5Focal length: 330mmCoating: full wideband multi coatingResolving power: 1.93"Limit mag: 11.4...