Airy Disk "Binary Star" bino viewing system

Large mirror-based binocular viewing system for 130–204mm 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 60mm f/5.5 ED Apochromatic Refractor

Compact 60mm f/5.5 ED doublet for visual observation and portable astrophotography. With a 330mm focal length and a lightweight aluminum tube, the 60ED makes a compact travel telescope.

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

The perfect telescope for small home observatories The Airy Disk 140mm Apochromat represents a top-tier telescope designed to meet the needs of both astrophotographers and visual stargazers who demand superior image quality from a larger sized instrument. Its substantial optics excel at light collection, making it the perfect choice for small observatories or amateur astronomers who have a dedicated setup. If you're open to embracing larger equipment, this telescope can deliver breathtaking astrophotography results in lower light-polluted environments and its exceptional resolution also positions it as an expert for close double stars. The triplet lens stands out for its remarkable sharpness, utilizing Hoya's high-quality FCD100 ED glass from Japan, renowned for its minimal color distortion.

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

The 106mm APO is a dream come true for both astrophotography enthusiasts and visual observers who are seeking the utmost in contrast. With it’s slightly over 4-inch aperture, this telescope offers both portability and exceptional brightness. The high quality triplet lens delivers a remarkably sharp image thanks to the utilizations of Hoya’s FCD100 ED glass, known for it’s minimal color aberration, crafted in Japan. Visual observers will enjoy near perfect color correction and edge sharpness For astro photographers we offer a matched 0.75x reducer for perfectly corrected full frame shooting. The corrector has three elements, basically turning the scope into a sextuplet. Comes in a Alu Case with plenty of room for accessories.

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.