Observation

The Telrad is a one power (1X) sight that was originally designed for installation onto astronomical telescopes as an aid to locating deep sky wond...

Large 150mm aperture delivers crisp, contrast-rich views of the Moon, planets, and so much more Fast f/5 focal ratio, 750mm focal length Borosili...

8" f/6, 1200mm Focal length with a 2" speed crayford style focuser, 30mm and 9mm plossl eyepieces, 8x50mm finder scope.  Rear mounted cooling fan o...

Let the best view shine through your optics with a quick cleaning. Vortex brings you this cleaning kit for easy cleaning of binoculars, spotting sc...

The longest night ends at the most exciting moment: when you catch sight of the game. Now every second counts in order to react correctly. The tens...

Save big with this bundle from Vanguard. You get a VEO HD spotting scope, a tripod, and a digiscoping adapter to help you capture smartphone video ...

Zeiss Microfiber Cloth 2oz Spray Bottle

Here's a no-worry way to care for your binoculars and spotting scopes ... really any outdoor optical equipment, including sunglasses. The rugged, w...

Magnifications (with eyepieces supplied): 26X & 65XHighest Practical Power (Potential): 260XDiameter of Primary Mirror: 130mmTelescope Focal Le...

ntroducing The SkyGuiderTM Pro -- iOptron’s next generation camera tracking device! Leading the camera tracker market for nearly four years, iOptro...

Following a recommendation from Health Canada, we wont sell laser wich power is greater than 5mW.For the needs of astronomy, power over 5mW are not...

This is a great accessory for precisely collimating your Newtonian reflector telescope to achieve the best image the telescope can deliver, especia...

 Magnification 20-60x Objective Lens Diameter 85 mm Linear Field of View 108-60 ft/1000 yds Angular Field of View 2.1-1.1 degrees Close Foc...

Magnification 8 x Objective Lens Diameter 42 mm Eye Relief 17 mm Exit Pupil 5.3 mm Linear Field of View 393 feet/1000 yards Angular Fi...

The BTX combines the visual power of both eyes with a revolutionary viewing experience. Crucial subtleties can be seen with the crystal clear opt...

Magnification: 7x Effective objective lens diameter (mm):   21 Exit pupil diameter (mm) : 3 Exit pupil distance (mm) : 16 Field of view (m/1,000 m ...

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