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March 14th: The store will be closed on Friday as we will be out all night to observe and image the total lunar eclipse! Good eclipse!
March 14th: The store will be closed on Friday as we will be out all night to observe and image the total lunar eclipse! Good eclipse!
SharpStar 140PH f/6.5 Triplet APO

SharpStar 140PH f/6.5 Triplet APO

by SharpStar Optics
SKU SSO-140PH
$0
$4,399.00 USD - $4,399.00 USD
$4,399.00
$4,399.00 USD - $4,399.00 USD
$4,399.00 USD
Availability:
Backordered
Contact us to know when we will receive our next ones!

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More information

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.

Specifications

Aperture: 140mm
Focal Length: 910mm
Limiting star magnitude: 12.5
Focal ratio: F6.5
Resolution：0.83 arc seconds
Tube length: 738.6mm (dew-shield indended)
Accessories: A piece of tube ring, a dovetail plate, a handle
Main tube outer diameter: 148mm
Net Weight: 10.1kg
Objective type: Triplet air-spaced APO (two of which are ultra-low dispersion ED glass)

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