SharpStar Optics

Compare with the first generation products, it has the following features: 1 The optical design has changed, in addition to the original F5.8 foc...

This product is a new generation of independent design of quintuple air-spaced high quality refractor telescope which take the form of dual after...

130mm Hyperbolic Newtonian Optics 364mm Focal Length f/2.8 Focal Ratio 44mm Full-Frame Image Circle Total Assembled Weight: 4.8kg Description F...

Reduces focal ratio to f/4.8 0.74x reduction factor 3-element optical design 44mm corrected image circle Standard 55mm back focus Description F...

140mm Aperture 910mm Focal Length f/6.5 Focal Ratio Triplet Air-Spaced APO Objective with Two ED Elements 0.83 arc-seconds Resolution 10.1kg Net W...

Aperture: 150mm Focal Ratio: f/2.8 Image Circle: 44mm Gross Weight: 6 kg Back-Focus: 55mm Description FAQ Specifications In the Box Downloads W...

SHARPSTAR's newly developed ultra-short focal ratio paraboloid Newtonian reflector 20032PNT was launched, which filled a domestic gap in this fie...

Reduces telescope focal ratio to f/4.6 Converts focal length to 230mm Quadruplet optical design with field flattening Standard 55mm back focus req...

50mm Aperture Triplet APO Objective 275mm Focal Length f/5.5 Focal Ratio Includes Two ED Glass Elements 1.07kg Total Weight 196mm Retracted Length...

Converts the SharpStar 61EDPH to a fast f/4.5 astrograph Provides a 44mm image circle for full-frame sensor coverage Three-element air-spaced opti...

Aperture: 61mm Focal Ratio: f/5.5 Focal Length: 335mm Image Circle: 44mm Weight: 1.9kg (with rings) Description FAQ Specifications In the Box D...

Converts 76EDPH to a fast f/4.5 focal ratio Produces a 44mm image circle for full-frame sensors Standard 55mm back focus for easy camera integrati...

0.8x Focal Reduction for SharpStar 94EDPH Creates a Fast f/4.4 Optical System 4-Element Optical Design 50mm Corrected Image Circle Standard 55mm B...

Aperture: 94mm Focal Ratio: f/5.5 Focal Length: 517mm Optical Design: Triplet APO with Two ED Elements Weight: 3.3KG Description FAQ Specificat...

For Newtonian & Cassegrain Telescopes Fits Standard 1.25" Focusers Enables Precise Optical Alignment Visual Crosshair for Centering Improves I...

Designed to fully illuminate APS-C sensor on most APO refractors. The SharpStar 2" field flattener has a M42x0.74 male thread to connect the camera...

Designed to fully illuminate full frame sensor on most APO refractors. The SharpStar 2.5" field flattener has a M69 male thread to connect the came...

Corrects coma in Newtonian reflectors from 150mm to 600mm aperture Optimized for fast focal ratios from f/3 to f/6 Provides a 44mm image circle fo...

260mm (10.2") Aperture Aspherical Primary Mirror 1300mm Focal Length at a fast f/5 Focal Ratio Massive 80mm Corrected Image Circle for Large Forma...

100mm Aperture f/5.5 Focal Ratio / 550mm Focal Length Sextuplet Air-Spaced APO Optical Design 36mm Corrected Image Circle 4.3kg Net Weight Desc...