Telescopes

iOptron’s 150mm (approx. 6") f/4 Newtonian optical tube assembly (OTA) with a fast F/4 focal ratio is perfect for imaging deep-sky objects with a D...

iOptron’s 200mm (approx. 7.9") f/4 Newtonian optical tube assembly (OTA) with a fast F/4 focal ratio is perfect for imaging deep-sky objects with ...

iOptron’s 250mm (approx. 9.8") f/4 Newtonian optical tube assembly (OTA) with a fast F/4 focal ratio is perfect for imaging deep-sky objects with ...

iOptron’s 300mm (approx. 11.8") f/4 Newtonian optical tube assembly (OTA) with a fast F/4 focal ratio is perfect for imaging deep-sky objects with...

The Photon™ line of Ritchey-Chretien astrograph telescope has been expanded with the addition of four new truss tube models (10,12,14 and 16 inch...

The Photon™ line of Ritchey-Chretien astrograph telescope has been expanded with the addition of four new truss tube models (10,12,14 and 16 inch...

The Photon™ line of Ritchey-Chretien astrograph telescope has been expanded with the addition of four new truss tube models (10,12,14 and 16 inch)....

The Photon™ line of Ritchey-Chretien astrograph telescope has been expanded with the addition of four new truss tube models (10,12,14 and 16 inch...

The iOptron® Photron™ Ritchey-Chrétien design telescopes feature low thermal expansion quartz primary and secondary mirrors with ninety-nine percen...

The iOptron® Photron™ Ritchey-Chretien design telescopes, feature low thermal expansion quartz primary and secondary mirrors with ninety-nine perce...

Aperture: 100mm ED Doublet Bandpass (Single-Stack): ≤0.45Å Focal Length: 714mm Focal Ratio: f/7.14 Blocking Filter: B1800 in 2" Diagonal Focuser: ...

Aperture: 100mm ED Doublet Bandpass (Double-Stacked): <0.28Å Tuning System: Internal Pressure Tuner (Doppler True Tuning) Blocking Filter: B180...

Aperture: 100mm ED Doublet Focal Length: 714mm Focal Ratio: f/7.14 Bandpass: <0.7Å (Single-Stack) Blocking Filter: B1200 in 2" Diagonal Focuser...

100mm ED f/7 H-alpha refractor 700mm focal length Pressure tuning Supports B12...

Aperture: 130mm ED Triplet Focal Length: 910mm Focal Ratio: f/7 Bandpass (Double-Stacked): <0.28Å Tuning: Internal Pressure-Tuned Etalons (Dopp...

Featuring Best in Class Resolution and Professional Grade Optics Configuration 130mm Triplet APO Refractor, Ohara FPL51 > 9mm Image Size <.6...

152 mm f/6 dedicated h-alpha telescope for professional results! Internal etalon allows a <0.65 Angstrom bandpass. True Doppler pressure tunin...

Includes: LS230THa/B3400 Double Stack System Starlight Feather Touch Focuser Dual PC-USB System Control Tube Rings and Mounting Plate Blocking Fil...

300mm F7 dedicated H-alpha telescopeInternal unobstructed etalon allows a <0.65 angstrom bandpassAvailable Double stacked system allows a <0....

40mm Aperture Dedicated Hydrogen-Alpha Solar Telescope Internal Etalon with Tilt-Tuning for <0.55Å Bandpass Enhanced Kit with Upgraded 1:1 Rack...

40mm Dedicated H-Alpha Solar Telescope Internal Double-Stack System with ≤0.35Å Bandpass B600 Blocking Filter for Full-Disk Views & Imaging In...

40mm Aperture Dedicated Hydrogen-Alpha Solar Telescope ≤0.65Å Bandpass Front-Mounted Tilt-Tuned Etalon 6mm (B600) Blocking Filter for Visual and I...

Aperture: 50mm Bandpass: <0.6Å Single-Stack Tuning: Doppler True Tuning (Pressure Tuner) Focuser: 1:1 Rack & Pinion Blocking Filter: B600 (...