Airy Disk "Binary Star" bino viewing system

Large mirror-based binocular viewing system for 120–204mm telescopes, suitable for systems down to f/5. Similar in concept and specifications to the Matsumoto EMS-UXL.

Airy Disk Bino 140mm f/6.5 Triplet

Airy Disk Bino 152mm f/5 ED

Airy Disk Bino 204mm f/7 Triplet

Optec DirectSync ADX motor

#19977 Optec DirectSync ADX for Airy-Disk focusers

CAA

CAA rotator

Flat-field Adapter for 60mm, APS-C

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 that all colors are well corrected up to APS-C. 1x factor Standard 55mm Back Focus, fine adjustable with the internal helical focuser

Flattener / Reducer 0.92x for telescope size 85mm - 152mm

0.92x Field Flattener / Reducer for all APOs Full Frame 44mm imaging diameter Screws on to the M63x1-Thread. Standard 55mm Back Focus, fine adjustable with the internal helical focuser

Flattener / Reducer 0.75x for the 106mm APO

3 element - 0,75x-Flat Field for sharper stars all to way to the edge. Specifically made for the 106mm APO. Full Frame 44mm imaging diameter Screws on to the M63x1-Thread. 0,75x factor - reduces the opening to 525 mm while giving f/4,95; Standard 55mm Back Focus, fine adjustable with the internal helical focuser

Flattener / Reducer 0.8x for the 204mm APO

0.8x Field Flattener / Reducer for the 204mm Full Frame 44mm imaging diameter 3 Glass Elements Standard 55mm Back Focus, fine adjustable with the internal helical focuser Connects to our focuser by M63x1 Camera side: M48x0.75 or M54x0.75 Inside filter thread M48 Adapters for M68x1 M85x1 on request The rear of the Flatfield/Reducer is removable(M90.5x0.75)

Airy Disk APO 204mm f/7 Triplet ED FK61 Apochromatic Refractor APO

"8" triplet APO Glass H-FK61 CDGM Diameter: 204mm Focal ratio: f / 7 Focal length: 1428mm"

Airy Disk APO 152mm f/5 ED FCD1 Refractor

152ED product parameters Telescope model: 152ED Doublet air double separation compound achromatic Lens: HOYA FCD1, CDGM Color: black / white Material: aluminum alloy Diameter: 152mm Focal ratio: f/5 Focal length: 750mm Coating: Full surface broadband multilayer coating Resolution: 0.76" Ultimate magnitude: 12.7mag Standard: Aluminum case, double hugger, Losmandy style dove tail plate, star finder mirror slot, 2" to 1.25" adapter barrel Options: CAA rotator, M48-T2 ring, 2" zenith mirror, eyepiece, Baader film filter Focuser: 4 "two-speed linear guide focuser with teeth Length (hood fully extended): 770mm Length (hood fully retracted): 705mm Weight: 10.6kg, including packaging 19.5kg, outer carton size 87cm * 42cm * 50cm Aluminum box + outer carton 10.5kg, outer carton size 87cm * 41cm * 49cm

Airy Disk APO 96mm f/6 ED Apochromatic Refractor

A compact ED for powerful images. A 96mm aperture offers visual observers excellent optics and high-quality mechanics. An almost 4-inch aperture with good resolution paired with the 0.92x two lens focal reducer gives astrophotographers a great quad imaging scope for Full Frame photography. Thanks to the high-quality doublet lens system, this telescope is high value proposition. Corrected in green and no slouch in red. Its got amazing performance for a double lens system. One reason for this is the Hoya ED glass FCD1 made in Japan with its exceptionally low dispersion.

Airy Disk APO 140mm f/6.5 Triplet FCD-100 Apochromatic Refractor

The perfect telescope for a small home observatory. The Airy-Disk 140mm f/6.5 APO combines substantial light-gathering power with high resolution for visual observation and astrophotography. Its triplet objective uses Japanese Hoya FCD100 ED glass for excellent color correction, high contrast and sharp images.

Airy Disk APO 106mm f/6.6 Triplet FCD-100

The 106mm APO combines a slightly larger than 4-inch aperture with a compact design for visual observation and astrophotography. Its high-quality triplet objective uses Japanese Hoya FCD100 ED glass for excellent color correction and sharp images. A matched 0.75x three-element reducer is available for corrected full-frame imaging, turning the optical system into a six-element imaging system.

Airy Disk APO 96mm f/6 Triplet FCD-100

A compact 96mm APO for powerful images. This 96mm f/6 triplet combines excellent optics and precision mechanics for both visual observation and astrophotography. Its high-quality objective uses Japanese Hoya FCD100 ED glass for excellent color correction and sharp images. Combined with our 0.92x two-element field flattener/reducer, it becomes a capable 5-element full-frame imaging system.

Airy Disk APO 85mm f/6 Triplet FCD-100

Triplet for visual, Quint for Astrophotography Our smallest triplet, a capable and portable 85mm APO with outstanding visual and photographic performance. We chose Hoya’s FCD100 glass for this lens. Enjoy crystal-clear observations and capture stunning astro photos. The combination with our 0.92x two lens Flat Field Reducer turns it into a capable 5 lens photography scope.