Products

7mm to 21mm continuous zoom focal length 57° to 40° variable apparent field of view 18mm to 16.3mm of consistent eye relief Fully multi-coated (FM...

7mm to 21mm linear zoom range 57° (at 21mm) to 40° (at 7mm) apparent field of view 1.25" barrel fits any standard focuser 18mm to 16.3mm eye relie...

34mm Focal Length 72° Apparent Field of View 2-inch Barrel Diameter 24mm Eye Relief 40mm Field Stop Diameter Accepts Standard 2" (M48x0.75) Filter...

Triples eyepiece magnification by a factor of 3x Fits standard 1.25 inch focusers and accessories Achromatic 3-element, 2-group lens design minimi...

Instantly doubles the magnification of any 1.25" eyepiece Fully multi-coated (FMC) optics for bright, high-contrast views Features M42 x 0.75 T-th...

Doubles the magnification of any 1.25" eyepiece Fully multi-coated (FMC) lenses for maximum light transmission Standard 1.25" barrel diameter fits...

Reduces lunar glare with a fixed ND0.6 optical density Transmits a neutral 25% of incoming light Standard 1.25-inch barrel fits most eyepieces Mul...

Reduces lunar brightness by ~87.5% (ND0.9) Fits any standard 1.25-inch eyepiece or accessory Neutral density filter preserves true color balance F...

Reduces Lunar Glare with ND1.2 Density Transmits 6.25% of Incoming Light Standard 1.25-inch Barrel Threads Fully Multi-Coated Optical Glass Neutra...

ND3.0 Neutral Density Filter Standard 1.25-inch Barrel Size Transmits 0.1% of Incoming Light (10-Stop / 1000× Reduction) Ideal for Herschel Solar ...

Supports up to 10 lb (4.5kg) of equipment Maximum extended height of 347mm (13.66") Folds down to a compact 255mm (10.04") Two-way head with 360° ...

Adapts Canon EF and EF-S mount lenses to 1.25" astronomy accessories Enables use of high-quality camera lenses for wide-field astrophotography Acc...

Connects Nikon AF-Mount Lenses to any 1.25" Eyepiece Focuser Durable Aluminum Alloy Construction Lightweight Design at only 137g (4.84oz) Standard...

20mm Focal Length 70° Super Wide Apparent Field of View Adjustable LED-Illuminated Single Crosshair 16mm Eye Relief 1.25" Barrel with M28.5*0.6 Fi...

15mm Focal Length 70° Super-Wide Apparent Field of View 1.25-inch Barrel Diameter 13mm Eye Relief 5-Element / 4-Group Optical Design Descriptio...

26mm Focal Length 70° Super Wide Apparent Field of View 20mm Eye Relief Fits 2-inch Telescope Focusers 5-Element / 3-Group Optical Design Accepts ...

7-Piece Filter Set Includes Moon, CPL, and 5 Color Filters Standard 1.25-inch Barrel Size M28.5*0.6 Filter Threads 2mm Thick Optical Glass Desc...

Adds a fixed 56mm or 70mm of back focus Standard 1.25-inch barrel diameter CNC-machined aluminum for rigidity Matte black interior prevents intern...

Adds Critical Focuser Out-Travel Standard 1.25-inch Barrel Diameter Improves Focus for Astrophotography Cameras CNC-Machined Aluminum Construction...

2-Inch Barrel Diameter CNC-Machined Aluminum Alloy Black Anodized Finish Adds Back Focus for Imaging Description FAQ Specifications In the Box ...

Adds Critical Spacing to 2-inch Focusers Solves Focuser Travel Limitations CNC-Machined Aluminum Alloy Construction Standard 2-inch Barrel Diamete...

Precise 0.05mm adjustment accuracy for fine focusing 10mm of draw tube travel Non-rotating mechanism keeps camera orientation fixed Standard M42x0...

2-inch Filter Size Standard M48x0.75 Threads Enables Automated Dark Frame Capture 1mm Filter Thickness Durable Anodized Aluminum Cell Descripti...

30mm Aperture 120mm Focal Length (f/4) 45mm Focuser Tube Travel 26mm Back Focus Includes Mounting Bracket with Dovetail Description FAQ Specifi...