Visual Accessories

Enables Use of 30-42mm Eyepieces in Baader Maxbright Binoviewers Solves Image Merging Failures with Long Focal Length Designs Extends Eyepiece Bar...

Broad Band Hard Silver (BBHS®) coated mirror, 98-99% reflection from 390nm to 2000nm 47mm clear aperture Secure 2-inch ClickLock self-centering ey...

Variable Magnification: 3x to 8x+ Optical Design: 4-Element with 2x CaF2 Fluorite Lenses Image Circle: 90mm Flat Field at 4x Magnification Set Mag...

1.7x focal length multiplier Enables binoviewer use in Newtonian telescopes Integrated coma corrector for sharp edge-of-field stars Inserts into B...

Available in 1.25x and 1.7x magnification factors Corrects prism-induced color aberrations in fast telescopes Extends optical path to solve backfo...

2-inch ClickLock Eyepiece Clamp M68 x 1mm Male Threaded Telescope Connection 51mm Clear Aperture 109mm Optical Length Dielectrically Coated λ/10 M...

Zeiss-Specification Right-Angle Prism with 90° Deflection BBHS® (Broadband Hard Silver) Sealed Reflective Coating T-2 (M42x0.75) Threads on Telesc...

Creates a rigid, direct-thread connection for binoviewers Enables precise rotational adjustment and locking Features a repositionable lever for er...

3x Telecentric Focal Extender Engineered for Narrowband H-alpha Solar Filters Produces a Parallel (Collimated) Light Path Maintains Etalon Bandpas...

Three-in-one design: 2x visual Barlow, prime focus T-adapter, and tele-extended T-adapter Doubles the magnification of any 1.25" eyepiece Connects...

Corrects image orientation for terrestrial viewing Produces right-side-up and left-to-right correct images Comfortable 45-degree viewing ang...

Connects smartphones to eyepieces with a 29mm - 45mm outer diameter Securely holds phones from 56mm to 97mm wide Enables afocal photography (digis...

Over 99% reflectivity from 58-layer dielectric mirror coatings 1.25” Twist-Lock holder provides a secure, self-centering grip Diffraction-limited ...

Delivers over 99% reflectivity with 58 layers of dielectric coatings Secure, self-centering Twist-Lock mechanism for 2" and 1.25" eyepieces Includ...

Instantly increases eyepiece magnification by 2.5x 4-element apochromatic optics deliver high-contrast, color-correct views Accepts both 2" and 1....

Interferometer-tested mirror with 1/10 wave or better surface accuracy Features Celestron's proprietary XLT optical coatings for maximum light tra...

Fits any eyepiece from 25.4mm to 44.45mm in diameter Accommodates smartphones from 58mm to 103mm wide Precise X-Y rack and pinion adjustment for f...

Patented 3-axis rack and pinion smartphone alignment Fits eyepieces from 35mm to 60mm in diameter Includes adapters to fit microscope eyepieces do...

Instantly doubles the magnification of any 1.25" eyepiece 2-element, fully multi-coated optics for sharp, high-contrast views Maintains the origin...

Provides a comfortable 90° viewing angle Inserts into any 1.25" telescope focuser or visual back Accepts standard 1.25" eyepieces Corrects image o...

Engage both eyes for more comfortable, detailed, and higher-contrast celestial views High-quality BAK-4 prisms with a 22mm clear aperture prevent ...

Doubles the magnification of any 1.25" eyepiece 3-element apochromatic optics for color-accurate, high-contrast views Fully multi-coated lenses ma...

Triples the magnification of any 1.25" eyepiece 3-element apochromatic optics for superior color correction Fully multi-coated for maximum image c...

The 1.25" Mirror Diagonal is a must-have accessory for astronomers, providing a comfortable viewing angle and improved image quality during telesc...