svbony

11.7 Megapixel 4/3" IMX294 CMOS Sensor 4.63µm Pixel Size Two-Stage TEC Cooling System 1.2e Ultra-Low Readout Noise 256MB DDR3 Image Buffer 19 FPS ...

80mm Objective Lens 20-60x Zoom Magnification Dual-Focus Mechanism IPX7 Waterproof & Nitrogen Filled Standard 1.25" Eyepiece Barrel 21mm-16mm ...

100mm objective lens for superior light gathering Variable 25x to 75x magnification range Dual-speed focusing system for fast and fine adjustments...

80mm Objective Lens with Extra-Low Dispersion (ED) Glass 20x to 60x Zoom Magnification Dual-Speed Coarse/Fine Focus Mechanism IPX5 Waterproof and ...

2.1x Magnification 42mm Objective Lens Diameter 26° Angular Field of View Focus-Free Optical Design M48*0.75 Filter Threads Description FAQ Spe...

80mm Maksutov-Cassegrain Spotting Scope Variable 28-84x Zoom Magnification Dual-Speed Focuser for Fine Adjustments Includes 1080p WiFi Camera with...

9x-27x Magnification 56mm ED (Extra-Low Dispersion) Objective Lens 18mm Constant Eye Relief IPX5 Waterproof Rating 2m Minimum Focusing Distance ...

10x to 30x variable magnification 50mm objective lens IPX7 waterproof and fog-proof construction H-BaK4 prism glass for sharp images 16mm - 16.5mm...

Available in 8x32, 8x42, and 10x42 Models High-Quality BAK4 Prism Glass Weather-Resistant Construction Protective, High-Grip Rubber Armor Designed...

8x32, 8x42, and 10x42 Configurations High-Quality BAK4 Prism System Durable, All-Weather Construction Rubberized Armor for Secure Grip Ideal for B...

High-Definition Optical System BAK4 Prism Design for High Contrast Durable, Impact-Resistant Body All-Weather Construction Three Models for Birdin...

102mm Aperture 663mm Focal Length (f/6.5) Achromatic Doublet Lens 2.5-inch Dual-Speed RAP Focuser 210mm Vixen-Style Dovetail Description FAQ Sp...

90mm Aperture 500mm Focal Length (f/5.5) Achromatic Doublet Lens 2-inch Dual-Speed Rack-and-Pinion Focuser Fully Multi-Coated (FMC) Optics Net Wei...

10x to 30x zoom magnification range 50mm objective lens for bright images Wide 213 ft field of view at 1000 yards (at 10x) Long 19.5mm maximum eye...

13x Magnification 50mm Objective Lens 18.5mm Eye Relief 425g Net Weight Field of View: 114m/1000m Description FAQ Specifications In the Box War...

60mm Aperture Refractor 400mm Focal Length (f/6.4) 45° Correct-Image Prism for Terrestrial and Astro Viewing Includes K20mm Eyepiece (20x Magnific...

70mm Aperture Refractor 400mm Focal Length F5.7 Focal Ratio Includes 20mm Kellner Eyepiece (20x) 45° Correct-Image Prism Diagonal for Terrestrial ...

50mm Refractor Telescope 360mm Focal Length (f/7.2) Includes K20mm Eyepiece 5x20 Optical Viewfinder 45-Degree Correct-Image Prism for Upright View...

102mm Aperture ED Doublet Refractor 714mm Focal Length (f/7) S-FPL51 Extra-Low Dispersion Glass 1:10 Dual-Speed Rack & Pinion Focuser 101.9mm ...

70mm Aperture Quadruplet Astrograph 474mm Focal Length (f/6.78) 32mm Corrected Flat-Field Image Circle 2.5" Rack-and-Pinion Focuser 127.5mm Workin...

1.Rugged housing prevents damage; 2.Sliding graceful and soft dual-speed focuser; 3.Ed glass (S-FPL51) can produce very beautiful and clear images...

90mm Objective Aperture f/8.9 Focal Ratio Alt-Azimuth Mount with Worm Gear Slow-Motion Controls Includes 3X Barlow Lens 5x24 Optical Finder Scope ...

105mm Focal Length Fast f/2.8 Focal Ratio Apochromatic (APO) 7-Element, 5-Group Optics Helical Focuser for Fine Adjustment Integrated Vixen/Arca-S...

45mm Aperture 203mm Focal Length (f/4.5) 5-Element Petzval Optical Design Native Flat-Field Astrograph Helical Focuser with 360º Rotator M48x0.75 ...