Apochromatic OTA Astro-Physics Starfire GTX features 130mm diameter, 819mm focal lenght (F/6.3). Hybrid-designed triplet lens: air / oil spaced with all spherical surfaces. Machined aluminum tube assembly with dewcap fully retractable and 3.5 " I.D. focuser with FeatherTouch Micro 9:1 dual-speed reduction.
New products arriving in October 2023
Contact us for info: info@skypoint.it
Apochromatic OTA Astro-Physics Starfire GTX features 130mm diameter, 819mm focal lenght (F/6.3). Hybrid-designed triplet lens: air / oil spaced with all spherical surfaces. Machined aluminum tube assembly with dewcap fully retractable and 3.5 " I.D. focuser with FeatherTouch Micro 9:1 dual-speed reduction.
Specifications
Color correction | Less than + - 0.006% focus variation from 706nm to 430nm (r to g wavelengths). |
Clear aperture | 130mm (5.12") |
Focal length | 819mm (32.25") |
F/value | f/6.3 |
Theoretical Resolution | 0.87 arc seconds |
Coatings | Multi-layer, broadband, overall transmission greater than 97% in peak visual wavelengths |
Magnification range | 22x to 500x |
Tube assembly | Cream white, 5.5" diameter, machined aluminum tube, fully baffled, flat black interior, engraved retaining ring. Convertible for travel. Optional covers to protect the lens and tube when it is disassembled. |
Focuser | 3.5 " I.D. Focuser with rotating collar with "captain's wheel", rack and pinion, FeatherTouch Micro 9:1 dual-speed reduction, 4.5" travel; 7.3" backfocus, 2.7", 2" and 1.25" adapters. Focuser drawtube features mm focusing scale. |
Telescope length | 724 mm (28.5") with dewcap fully retracted; 864 mm (34.0") with dewcap fully extended |
Diameter of dewcap | 155 mm (6.1") O.D. including paint thickness, retractable |
Weight with dewcap | 18 lbs. (8.2 kg) |
Carrying case |
Wood case with grey vinyl covering and foam-lined interior. |
Photographic Field
Photographic field at prime-focus with 130 Prime Focus Field Flatteners (13035FF or 67PF562) | Field size: 65 mm diameter, 4.2 degrees Focal ratio: f/6.7 Focal length: 873 mm |
Photographic field with QUAD Telecompressor Corrector (QUADTCC-AP130) | Field size: 50 mm diameter, 4.6 degrees Focal ratio: f/4.5 (.72x) Focal length: 585 mm |
Photographic field with 2x Barlow |
Field size: 32 mm diameter, 1.2 degrees |
Product Status | New |
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Package width | 32 cm |
Package height | 33 cm |
Package depth | 89 cm |
No. of parcels | 1 |