Observation

Magnification: 8x Objective Lens Diameter: 25mm (.98") Angular Field of View: 8.2° Linear Field of View (@1000 yds) / @1000 m): 432.3 ft (...

Redesigned Vortex Viper HD binoculars are premium optics with rugged construction in a compact, lightweight package. Updated features include a wid...

Magnification: 10 xObjective Lens Diameter: 25 mmEye Relief: 14.5 mmExit Pupil: 2.5 mmLinear Field of View: 315 feet/1000 yardsAngular Field of Vie...

Magnification:  8xObjective Diameter:  30mmAngular Field of View (Real):  8.3°Angular Field of View (Apparent):  60.3°FOV at 1000 yds:  435 ft.Clos...

Les jumelles Celestron SkyMaster Pro est un excellent choix  pour les astronomes amateurs. Grossissement 7x, diamètre objectif 50 mm, lentille d’ob...

Une belle innovation dans le domaine de l'astronomie. Celestron a réinventé le télescope manuel avec StarSense Explorer, un des  premier télescope ...

Dragonflies are large and beautiful insects, diverse in color and pattern. This premier field guide provides all the information you need to identi...

 Diameter: 102mmFocal Length: 1300mmF Ratio: F/12.7Mount Not Included Included accessories: two 1.25-inch eyepieces, red dot finder, 1.25-inch diag...

PRICE SUBJET TO CHANGE, PLEASE CONTACT USMagnification: 15XObjective diameter: 70mmAngular field of view: 4.4°Exit pupil: 4,6mmEye relief: 17mmClos...

In the world of binoculars, the KITE PETREL stands as a symbol of endurance. This model outperforms its competitors, even those with significantly ...

Introducing the astonishing APC 50 Image-Stabilized Binoculars. Experience KITE OPTICS’ KT3.0 image stabilization technology through our most power...

Dawn and dusk are often the most important times on a hunt. Simmons Venture Spotting Scopes bring sharp, bright images, especially at those critica...

R5 Binoculars offer enhanced clarity with fully multi-coated optics and advanced prism coatings, ensuring vivid, sharp views in low-light condition...

R5 Binoculars offer enhanced clarity with fully multi-coated optics and advanced prism coatings, ensuring vivid, sharp views in low-light condition...

Magnification 20-60x Objective Lens Diameter 80 mm Linear Field of View 105' - 53' Angular Field of View 2.0° - 1.0° Eye Relief 18.0mm ...

Magnification 20-60x Objective Lens Diameter 80 mm Linear Field of View 105' - 53' Angular Field of View 2.0° - 1.0° Eye Relief 18.0mm ...

Going hunting at night is a special challenge, as your vital sense of sight is severely impaired and the risk of not being successful or even makin...

Increased 75 lb load capacity. Exceptional load capacity to weight ratio Additional Aux accessory ports and autoguider port on the Dec axis for be...

Increased load capacity to 55 lb Heavy Duty belt-drive system minimizes backlash while providing smooth motor operation under heavy loads Spring-l...

The most compact and portable of Celestron’s German equatorial mounts offers the same rigidity as our larger mounts with minimal flexure and an im...

German Equatorial mount and tripod as supplied with all Omni XLT Series telescopes Includes RA and DEC slow motion controls and setting circles Tri...

Since its introduction in 2014, the Star Adventurer has been at the forefront of the lightweight, portable astroimaging revolution. And now, with ...

Objective Lens Effective Diameter: 25mm Magnification: 8x Relative Brightness: 9.6 Twilight Factor: 14.1 Eye Relief: 16.0mm Real Field...

A heavy-duty alt-azimuth mount for use with binoculars, spotting scopes or telescopes Adjustable aluminum legs provide a minimum height of 32” and...

Magnification 27 – 60 x Objective Lens Diameter 85 mm Linear Field of View 117 – 68 feet/1000 yards Angular Field of View 2.2 – 1.3 degree...

New ED doublet apochromatic optical design New lightweight, compact design perfect for wide field astrophotography New optical design featuring ou...

Doublet apochromatic optical design Two-element, air-spaced optical assembly minimizes false color 72mm aperture, 420mm focal length, f/5.8 focal ...

Model SV48P Optical Design Refractor Aperture 90mm Optic Coated FMC Objective Lens Doublet air-spaced achromatic design Focal Length 5...

Brand SVBONY Model SV550 Aperture 80mm Focal Length 480mm Focal Ratio f/6 ED Glass​ FPL51​ Telescope Type Refractor Resolution 1.4...

Product Name SVBONY SV503 102F7 ED Astronomy Telescope Type Refractor ED Glass S-FPL51 Coating SMC Aperture 102mm / 4.01-Inch Focal le...

Diameter: 80mm Ratio F : f/7 Focal: 560mm Doublet APO Comes with the bag and the handle

Diameter: 70mm Ratio F : f/6 Focal: 420mm Doublet APO Comes with the bag and the handle (bundle)

Magnification 8 to 16x Objective Lens Diameter 21 mm Angle of View 8x: 5° (Actual)16x: 3° (Actual) Field of View 16x: 157.5' @ 1000 yd / ...

Magnification 8x Objective Diameter 42mm Angular Field of View (Real) 6.4° Angular Field of View (Apparent) 48.2° FOV at ...

Objective lens 80mm Magnification 20x-60x Prism type Porro BK7 Lens coating Fully Multi Coated Eyepiece group 3 groups of 7 pieces Eye...