Products

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...

310mm Aperture Aspherical Primary Mirror 1178mm Focal Length at a Fast f/3.8 55mm Corrected Image Circle for Medium Format Sensors Triplet Correct...

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...

0.63x Focal Reduction Factor Transforms f/10 Systems to f/6.3 Apochromatic Triplet Optical Design Standard 2-inch (50.8 mm) SCT Thread Optimized f...

10 µm Slit Width High-Reflectivity Mirror Finish Compatible with the Shelyak Alpy 600 Compatible with Shelyak UVEX Spectrographs Compatible with S...

Powers multiple devices from a single 12V/7A source Reduces cable clutter around the telescope Includes a 4-way cable with mixed connector sizes T...

10m Fiber Length 50µm Core Diameter High-OH Fiber for UV-VIS Transmission (380-800nm) FC-type Connectors (Both Ends) <0.5dB Signal Attenuation ...

50µm Core Diameter 20 Meter Length Less than 0.5dB Attenuation 380-800nm Spectral Range FC-Type Connectors (Both Ends) Description FAQ Specific...

50µm Core Diameter Object Fiber 5m Cable Length FC Type Connectors (Both Ends) 380nm - 800nm+ Wavelength Range Numerical Aperture: 0.22 Less than ...

Designed for the Shelyak Instruments UVEX Spectrograph Suppresses 2nd Order Near-Infrared (IR) Spectral Contamination Ensures Cleaner, More Accura...

13mm Nominal Backfocus Accommodates Cameras with 9.15mm to 13.15mm Backfocus Compatible with Shelyak Lhires III Spectroscopes Compatible with Shel...