Products

Counterweight extension bar for the iOptron SkyGuider Pro Specifically designed to fit the iOptron SkyGuider Pro Description T...

Securely connects the Flat4 Field Flattener to the draw tube Designed for William Optics FLT 98, 110, 132, and 152 models Compatible with telescop...

Connects Flat4 Flattener to the V-Power Focuser Compatible with William Optics GT102 & FLT 132 Engineered for 2017 Telescope Models Secure Thr...

1.0x Flattener Power preserves native focal length Corrects field curvature for Full Frame sensors Designed for William Optics FLT132, GT102, and ...

120mm Aperture f/6.5 Focal Ratio FPL-53 Apochromatic Triplet Optics 3.3-inch Dual-Speed Rack & Pinion Focuser Image Circle >43mm Integrated...

132mm Aperture 910mm Focal Length f/6.9 Focal Ratio FPL-53 Air-Spaced Apochromatic Triplet Objective 3.7" Rack & Pinion Focuser with...

156mm Aperture Air-Spaced Triplet Apochromat 1217mm Focal Length (f/7.8) FPL-53 & Lanthanum Glass Elements 3.7" Rack & Pinion Focuser Stee...

91mm Aperture Apochromatic Triplet FPL-53 Glass Focal Length: 540mm Focal Ratio: f/5.9 Strehl Ratio: > 0.95 3.3" Dual-Speed Rack & Pinion F...

71mm Triplet Apochromatic Lens 419mm Focal Length (f/5.9) 44mm Image Circle 3-Element Objective with FPL-53 Glass 2.5" Rack & Pinion Focuser O...

81mm Aperture Apochromatic Triplet Refractor FPL-53 Glass from Ohara, Japan 478mm Focal Length (f/5.9) >Full Frame (45mm) Image Circle William ...

FPL53 ED Air-Spaced Doublet Lens Dual-Purpose Guide Scope and Imaging Telescope Draw-Tube (Push-Pull) Focuser Rotating Lens Assembly for Fine Focu...

Designed for the iOptron SkyGuider Pro and Sky-Watcher Star Adventurer Enables stable, precise polar alignment at high latitudes CNC-machined Vixe...

Designed for the first-generation William Optics RedCat 51 (V1) astrograph Corrects image plane tilt for perfectly round stars across the frame Ad...

Mounts a Vixen-Style Saddle on the iOptron SkyGuider Pro Doubles as a Riser Block Optimized for Wide-Field Astrophotography Setups Lightweight, A...

290 mm Extended Length for Balancing Standard Vixen-Style Dovetail Profile Weighs 0.64 kg (1.42 lbs) 90 mm Wide Platform for Stability Descript...

Connects FLAT68III & FLAT7A Flatteners to M48 Imaging Trains Provides a Fixed 45mm Optical Length Input Thread: M80 x 0.75 Output Thread: M48 ...

Length: 400 mm Weight: 1.44 kg / 3.17 lbs Width: 105 mm Dovetail Type: Losmandy D-Style Description FAQ Specifications In the Box Warranty ...

Designed for Low Latitude Observers Solid Aluminum Alloy Construction Precision Altitude & Azimuth Adjustment Knobs Vixen-Style Mounting Base ...

Adds an M42 x 0.75 (T2) Camera-Side Connection to the Elite Drawer OAG Connects Cameras and Accessories with M42 x 0.75 (T2) Threads Dovetail Conn...

Connects M48 Female Threads to M42 Male Threads Adds Only 5.3mm of Optical Path Length Standard 2" Filter Thread (M48x0.75) to T-Thread (M42x0.75)...

Enables use of standard 2-inch (M48 x 0.75) filters Connects to the M44.5 x 0.75 objective threads on Cat Eyes Binoculars Adds a minimal 6 mm of o...

Connects M48 Threaded Accessories to 2" Push-in Focusers Female M48 Threads for 2" Filter Attachment Adds a Fixed 36 mm of Optical Length Male M48...

360° of precise framing rotation Standard M54 male and female threads Adds a minimal 30.2 mm to the optical path Securely locks orientation for lo...