Astro-Physics Starfire 130 GTX Gran Turismo apochromatic refractor

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Availability: In stock
SKU:
AP-130GTX

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.

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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.
Dimensions: approximately 31.5" x 9.5" x 10.25"
Weight: 14 lbs. (6.4 kg)

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
Focal ratio: f/12 @90 mm backfocus

 


More Information
Product Status New
Package width 32 cm
Package height 33 cm
Package depth 89 cm
No. of parcels 1
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