WebReducer details: 0.7x triplet super reducer. Fully covers full frame sensors. Accommodates 300mm to 1000mm focal length refractors. Built-in camera rotator. 48mm filter can be threaded on. Backfocus distance is 55mm. Example Configurations on a Borg 80 Series telescope (e.g. 71FL, 76ED, 77ED, 89ED, 90FL): 7870 - 7923 - 5005 - Canon. WebReference BORG9039EST3. Borg fluorite apochromatic refractor 90FL f3.9 with ESATTO 3", 90mm diameter, 350mm focal length (f3.9), 6 elements fluorite apochromat, carbon …
Borg fluorite apochromatic refractor 90FL f3.9 with ESATTO 3"
WebMay 4, 2024 · Amen! I enjoy using my 90-mm refractor telescope on a Vixen Porta II Altazimuth mount and tripod. Some great views and easy to use with the Telerad. I also use an Orion XT10i too. Hopefully some of us with small telescopes and others, will enjoy the upcoming 15-16th May, total lunar eclipse coming. ... I often use a 25mm Pocket Borg … WebThe BORG 55mm F3.6 Astrograph is a very unique portable telescope. Boasting a small size for easy transportation (including airline and overseas expeditions), this astrograph is the perfect telescope for those needing a portable, high-quality optical tube. 55mm aperture; 6-element advanced optical system, including one fluorite fraser langton clarinet
Hutech Astronomical Products - Borg Telescopes
Web6 elements fluorite apochromatic refractor, 55mm f3.6. Borg fluorite apochromatic refractor 55FL f3.6 with ESATTO 2" has 6-element fluorite optical design that generates images without false colors, contrasted and rich in details. Optimal back focus is 60mm from M57x0.75 female thread on the back of the focuser. WebMar 21, 2005 · The BORG 100ED is a high quality, beautifully finished, extremely portable 4-inch refractor with superb optics. The helical focuser is not only easy to use visually, … WebAug 21, 2015 · Price: £2295.00. Aperture: 89mm (3.5 inches) Focal Length: 383mm, f4.3. Weight: 2.8kg, including tube rings. Supplier: Ian King Imaging. Telephone: 01580 212356. Website: www.iankingimaging.com. … bleem company