Ultra wide-field telescope that offers a wide swaths of sky in a single view. It is suitable not only for prominent nebulae, star clusters, and galaxies, but astrographing as well.
PRODUCTS
TAKEN WITH BLACK DIAMOND ED REFRACTOR
Photo Credits: My Beautiful Month-Hassan Abdollahabadi
Photo Credits: Helix Nebula-Jesus Pelaez Aguado
Photo Credits: Radio Galaxy Centaurus A-Harry Akkerman
Black Diamond ED Refractor Models & Specs
| BK 80ED OTAW | BK 100ED OTAW | BK 120ED OTAW | BK 150ED OTAW | |
|---|---|---|---|---|
| Optical Design | ED Refractor | |||
| Optical design | ED Apochromatic Refractor | ED Apochromatic Refractor | ED Apochromatic Refractor | ED Apochromatic Refractor |
| Faintest steller magnitude | 12.2 | 12.7 | 13.1 | |
| Focal length | 600mm | 900mm | 900mm | 1200mm |
| Focuser diameter | 2" dual speed, crayford | 2" dual speed, crayford | 2" dual speed, crayford | 2-inch dual-speed Crayford-style focuser |
| Finder scope | 8X50 | 8X50 | 8X50 | |
| Tube weight | 2.47kg | 3Kgs | 5.13kg | |
| Optical diameter | 80mm | 100mm | 120mm | 150mm |
| Shipping weight | 8 kg | 15 kg | 18 kg | |
| F/ratio | F/7.5 | F/9 | F/7.5 | f/8 |
| Tube dimensions | 10 cm x 62cm | 10 cm x 92cm | 10 cm x 62cm | |
| Secondary mirror diameter | ||||
| Shipping dimensions | 68 x 33 x 23 cm3 | 105x39x30cm3 | 120x45x46 cm3 | |
| Diagnol | 2" 90 deg. Dielectric Diagonal with 1.25" adapter | 2" 90 deg. Dielectric Diagonal with 1.25 inch adapter | 2" 90 deg. Dielectric Diagonal with 1.25" adapter | |
| Highest practical power | 160x | 200x | 240x | 300X |
| Eyepieces | LET 2"-28 | LET 2"-28 | LET 2"-28 | |
