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Sharpstar 140 mm PH F6,5 Super Apo Triplet apo with 2 ED lenses
[140PH]

Prijs: 4.100,00 EUR

 
Product Details

SHARPSTAR new product launch! The first 140PH APO of super APO series with smart large aperture, which adopts a pioneering dual ED triplet air-spaced design, F6.5 is a proper focal ratio, focal length is 910mm.
 
Compared to the traditional commercial triplet APO lens with one ED glass, our company adopts dual ED ultra-low dispersion glass in the structure of triplet objective lens, which makes chromatic aberration to a higher level. The luminance, uniformity, color and sharpness of image have attained a good effect.
 
The telescope is equipped with push-fit Dew-shield and high quality aluminum alloy tube, 4-inch large focuser with precise focusing function, universal dovetail bar with a pair of streamline tube ring, add a nice-looking and practical handle, and a delicate aluminum box.
 
Combined with full-frame flat field lens and focal reducer, the 140PH APO can do multi-function full-frame astrophtography, 0.73X 3-inch full-frame focal reducer can reduce the overall focal ratio to F4.8, to meet the astrophiles for the shooting time, field range and image quality requirements, is a rare good optical system.
Product Specificaties


Optical design: air-spaced apochromatic triplet with 2 ED lenses
Aperture: 140 mm
Focal length: 910 mm
Focal ratio: F/6.5
Coating: yes, Fully Multi-Coated
OTA length: 73,5  and  dewcap out 87,6
Outer tube diameter: 14,8 cm
Outer diameter of the dew-shield: 17,9
OTA made of light aluminium alloys, CNC machined
Weight: with rings dove tail and handle 11,5 kg
Scope of delivery
4" focuser with 2" and 1.25" reduction. 1:10 micro-focuser and 360° rotation.
Retractible dewshield
Finder shoe
CNC rings
Vixen/GP dovetail plate
Handle
Transport case
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