Hand Crafted Custom Telescopes and Precision Optics

AR Gemini

Our new telescope "Gemini" combines the advantages of the classic Dobsonian mount, but with an improved, lightweight and easy to assemble truss design.
Optics

The mirrors for all of our models have an interferometric test certificate, which guarantees high quality. The Strehl ratio of the parabolic surface is above 95%

Telescopes

AR-400 UL Gemini

Aperture: D=400 mm (16")
Accuracy of the parabolic surface: Strehl > 0.95
Interferometric test with a certificate: Yes
Focal length: F=1680 mm
Secondary mirror: D=82 mm
Focal ratio: f/4.2
Focuser: Skywatcher Dual-Speed 2"
Mount: High quality, wooden, alt-azimuthal dobsonian mount
Design: Lightweight, mobile, collapsible truss design
Weight: assembled - 39kg
Disassembled: heaviest part - 16kg, largest part: 58x58x36cm

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Telescopes

AR-355 UL Gemini

Aperture: D=355 mm (14")
Accuracy of the parabolic surface: Strehl > 0.95
Interferometric test with a certificate: Yes
Focal length: F=1600 mm
Secondary mirror: D=75 mm
Focal ratio: f/4.5
Focuser: Skywatcher Dual-Speed 2"
Mount: High quality, wooden, alt-azimuthal dobsonian mount
Design: Lightweight, mobile, collapsible truss design
Weight: assembled - 30kg
Disassembled: heaviest part - 12kg, largest part: 51x51x35cm

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Telescopes

AR-300 UL Gemini

Aperture: D=300 mm (12")
Accuracy of the parabolic surface: Strehl > 0.95
Interferometric test with a certificate: Yes
Focal length: F=1500 mm
Secondary mirror: D=63 mm
Focal ratio: f/5
Focuser: Low Profile Crayford D31.8/50.8 mm
Mount: High quality, wooden, alt-azimuthal dobsonian mount
Design: Lightweight, mobile, collapsible truss design
Weight: assembled - 20kg
Disassembled: heaviest part - 9kg, largest part: 46x46x32cm

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Telescopes

AR-200 UL 3T

Aperture: D=200 mm (8")
Accuracy of the parabolic surface: Strehl > 0.95
Interferometric test with a certificate: Yes
Focal length: F=1200 mm
Secondary mirror: D=35 mm
Focal ratio: f/6
Focuser: Low Profile Crayford D31.8 mm
Mount: High quality, wooden, alt-azimuthal dobsonian mount
Design: Lightweight, mobile, collapsible truss design with three tubes
Weight: assembled - 12kg
Disassembled: heaviest part - 4kg, largest part: 35x35x25cm

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Telescopes

Lightweight and collapsible dobsonian truss design suitable for easy transportation to and from the desired location. The design is made of high-quality multilayered plywood from the Austrian company JAF. The optics are always of the highest quality, attained by very few manufacturers.

Mirrors

Our mirrors are made with extreme precision and with exceptional quality. At the end a final test is made with an interferometer and the mirror is certified. The work ends when a Strehl ratio of 0.95 or more is achieved.

Optics

Interferometry

Interferometric tests conducted on each of our mirrors are a guarantee for their excellent quality. The results give an indication of product quality at multiple points over the entire surface, not just one. We also offer to do interferometric tests as a service.

Handcrafted Custom Telescopes and Precision Optics

We produce handcrafted telescopes and optical mirrors since 2006. We are not a mass producer of common products; we only make a limited number of orders. This is because we complete them to the highest standards. The amount of time and effort we put into hand crafting every piece, both for our optics and the frame, is what allows us produce telescopes of excellent quality. All of our products, as well as our finished telescopes, go through a number of quality assurance tests, to guarantee an unforgettable viewing experience. The telescopes we make are for the real connoisseurs.