askar

Enables Electronic Autofocus on the Askar FMA180 Pro Designed for Seamless Integration with ZWO EAF Broadly Compatible with Most Electronic Focuse...

Complete 2-Filter Narrowband Solution for Color Cameras Captures H-alpha, Oxygen-III, and Sulfur-II Wavelengths Filter 1 (C1): Hα + OIII Duo-Band ...

Dual-bandpass filter for H-alpha (656.6nm) and Oxygen-III (500.7nm) Asymmetrical bandwidths: 15nm for H-alpha, 35nm for OIII Greater than 90% peak...

Dual-band filter passing SⅡ (672nm) and OIII (500.7nm) emission lines Designed for one-shot-color cameras to capture data often missed by Hα/OIII ...

Losmandy D-Series Profile Universal Hole and Slot Mounting Pattern Flexible Accessory Integration Solid, Flex-Free Connection Description FAQ S...

300mm Overall Length Universal D-Series (Losmandy-style) Profile Slotted and Tapped Mounting Holes Designed for Tube Rings and Guide Scopes Provid...

400mm Length D-Series (Losmandy-style) Profile Universal Hole and Slot Pattern Connects Tube Rings and Accessories Solid, Flex-Free Mounting Platf...

135mm Focal Length f/4.5 Focal Ratio 30mm Aperture Sextuplet APO Optical Design 280g Total Weight Description FAQ Specifications In the Box Dow...

40mm Aperture Sextuplet APO Lens 180mm Focal Length at a Fast f/4.5 44mm Image Circle for Full-Frame Sensors Standard 55mm Back Focus with M48x0.7...

Corrects focal plane tilt without altering back focus Maintains a constant 18mm optical thickness Provides a ±1° adjustment range Features M54 fem...

60mm Aperture Quintuplet APO Astrograph 300mm Focal Length at a Fast f/5 Focal Ratio 44mm Full-Frame Image Circle Integrated Petzval Corrector Des...

72mm Aperture Quintuplet APO Lens 400mm Focal Length at f/5.6 44mm Full-Frame Image Circle 140mm Available Back Focus 3" Rack-and-Pinion Focuser w...

72mm Aperture Quintuplet APO Optics 400mm Focal Length at f/5.6 Covers a 44mm Full-Frame Image Circle Integrated 17-Blade Aperture (f/5.6-f/22) 2....

Enables Automatic Focusing on the Askar FRA400C Compatible with Most Brands of Electronic Focusers Includes Five Synchronous Belts for a Secure Fi...

90mm Aperture Quintuplet APO Optics 500mm Focal Length at f/5.6 Massive 55mm Flat-Field Image Circle Includes Two ED Glass Elements Total Assemble...

108mm Aperture 600mm Focal Length (f/5.6) Quintuplet Flat-Field APO Optical Design 66mm Corrected Image Circle Total Weight of 6.5kg Descriptio...

Connects M48 (2-inch) accessories to the Askar FMA180 Converts the native M42x0.75 T-thread to a larger M48x0.75 thread Engineered for a precise f...

Large 10mm x 10mm guide prism M54, M48, and M42 adapters provide broad compatibility Optimized for full-frame cameras Rigid CNC-machined construct...

Provides ±2mm of fine backfocus adjustment Total optical length adjustable from 16mm to 20mm High-precision 0.05mm increments Available with M54 o...

Securely adapts Canon EOS-R mirrorless camera bodies Connects to M54x0.75 and M48x0.75 threaded correctors Integrated rotational adjuster for fine...

Designed specifically for the Askar FRA600/5.6 Astrograph Provides a standard Vixen-style dovetail connection point Compatible with various Askar ...

Designed for a seamless fit with the Askar FRA400/5.6 Astrograph Accepts any accessory with a standard Vixen-style dovetail foot Provides a secure...

Integrates telescope and camera adapters to reduce complexity Accepts five common filter formats in a single system Supports 1.25" and 2" mounted ...

160mm Aperture Parabolic Mirror f/3.4 Focal Ratio with Included 0.95x Corrector 544mm Corrected Focal Length Carbon Fiber Tube Construction 3.97kg...