The SA206 night vision binoculars feature an 850nm infrared illuminator and  allow you to see animals clearly in darkness; you can capture high definition pictures and videos. Our high-quality and reliable night vision binoculars satisfy your needs for outdoor exploration and let you enjoy the fun of hunting, wildlife observation, night fishing, bird watching and camping.

Svbony SV301 mini metal monocular for outdoors, opera museums, the theater etc. We provide you with two sizes to choose from, the red one of 8x25 and the black one of 10x25. Compact and small body allows a very convenient usage.

• Extra-Low Dispersion ED Glass reduces chromatic aberration which causes color fringing and produces a cleaner and brighter image;
• Large field of view; 42mm objective lens provides a field of view at 394ft/1000yards;
• IPX7 waterproof through nitrogen-filled internals to handle the most extreme weather conditions; ensuring you can watch uninterrupted views;
• Premium coatings provide a high light transmittance across the entire visible light spectrum; guarantee a bright; sharp image even in twilight conditions by maximizing transmission of fading light;
• High-quality Magnesium alloy body allows a long term use;
• Large central focusing wheel for easy focusing; easy to operate; just turn the focusing knob to get clear and sharp images;
• Diopter adjustment; eyepiece built-in diopter adjustment lens; can adjust the visual balance of both eyes; easy to observe the target.

EVOSTAR-72ED DS-PRO (OTA)
72MM (2.83”) F/5.8 ED APOCHROMATIC REFRACTOR TELESCOPE - Compact and Portable Optical Tube for Affordable Astrophotography and Visual Astronomy

sw_evostar_72ed

This high-end Evostar-72ED features a doublet objective lens with one Extra-Low Dispersion (ED) glass element. 

Each air-to-glass surface has multiple anti-reflection coatings applied to ensure optimum light transmission, approaching 99.5%! 

Sky-Watcher proudly claim their proprietary 'Metallic High-Transmission Coatings' (MHC) are the finest photon anti-rejection coatings in their class. 

An optically-matched 0.85x reducer is available for imaging at f4.9! 

(Please note the Evostar-72ED Apo has a different objective lens glass combination to the Evostar-80ED/100ED/120ED models). 

• EXPERTLY MATCHED GLASS: The EvoStar series features a matched doublet objective including one synthetic fluorite element, providing excellent color correction for visual and photographic uses.
• OUTSTANDING COLOR CORRECTION: Using the finest quality glass and proprietary Metallic High-Transmission Coatings (MHTC), EvoStar refractors produce tack sharp images with accurate color and minimal aberrations.
• PORTABLE TRAVEL SIZE: Using a compact design, this refractor is easy to transport and lightweight to support, making it the perfect travel companion.
• EVOLVES WITH SKILL: No need to replace this telescope as your skill set evolves. Whether you’re a seasoned astrophotographer or a budding novice, EvoStar refractors are versatile enough to use as your primary optical tube as your skill set improves.
• 10:1 DUAL-SPEED FOCUSER: No matter the eyepiece or camera, finding focus is a breeze with this 10:1 dual-speed Crayford-style focuser.
• EVERYTHING YOU NEED: The EvoStar 72 comes complete with an aluminum case, tube rings, and a Vixen-style dovetail.

Sky-Watcher 0.85x Reducer/Flattener for EvoStar 72ED

• Compatible with both APS-C and full frame sensors, APS-C (crop sensors) and smaller recommended
• 55mm back focus
• Drops f/ratio from native f/5.8 (420mm) to f/4.93 (355mm)
• Reduces exposure time by 38% compared to native f/5.8
• 5.8 x 3.87-degree field of view when used with a full frame camera
• 3.79 x 2.53-degree field of view when used with APS-C crop sensor 
• Includes thread-on adapter to mount reducer to Evostar 72ED focuser

• For Astrophotography/Astroimaging
• Virtually Eliminate Spherical Aberration
• Shortens Focal Ratio from f/5.8 to f/4.9
• Reduces Exposure Times by 38%
• Use with APS-C and Full Frame Cameras
• 55mm Back Focus

Sky-Watcher Esprit 120mm ED Triplet APO Refractor

Esprit 80ED, 100ED, 120ED and 150ED Super APO triplets have a doublet field flattener to get a flat field and minimize aberration and distortion.

• Aperture: 119 mm or 4.7-inch.
• Focal Ratio: f/7.
• Highest magnification of 283x.
• 9 x 50 Optical Finder included.
• 43 mm Image Circle.

Gran Turismo 81 , f/5.9 OTA. FPL53 three-element APO, 2.5” R&P Focuser in Gold

• GT81 APO
• 2" & 1.25" Adapter Included
• Bahtinov Mask Included
• STM Multi-Coated Lenses
• f/5.9
• This is the Gold version

Optical Performance

The Gran Turismo 81 is a Three Element Designed APO refractor. Using FPL-53 glass this telescope provides excellent aberration correction.

Details and Features

2.5" R&P Focuser

The 2.5" R&P Focuser is smooth, stable, and reliable! No image shifting!

New Designed Rotator

William Optics designed camera angle rotator. Smooth and stable.

CNC Handle Bar

Made by CNC with anodizing. Strong and nice look!

Bahtinov Mask

World first built in clear Bahtinov mask!

Gran Turismo 81 , f/5.9 OTA. FPL53 three-element APO, 2.5” R&P Focuser in Red

• GT81 APO
• 2" & 1.25" Adapter Included
• Bahtinov Mask Included
• STM Multi-Coated Lenses
• f/5.9
• This is the Red version

Optical Performance

The Gran Turismo 81 is a Three Element Designed APO refractor. Using FPL-53 glass this telescope provides excellent aberration correction.

Details and Features

2.5" R&P Focuser

The 2.5" R&P Focuser is smooth, stable, and reliable! No image shifting!

New Designed Rotator

William Optics designed camera angle rotator. Smooth and stable.

CNC Handle Bar

Made by CNC with anodizing. Strong and nice look!

Bahtinov Mask

World first built in clear Bahtinov mask!

William Optics RedCat 51 Gen 2 f/4.9 APO Refractor Telescope - L-RC51II

• The ultimate portable astrophotography telescope with Bahtinov mask built into the cap for quick and easy focusing.

• 43 mm image circle is perfect for full-frame cameras in this 51 mm aperture petzval refractor. 
• The f/4.9 focal ratio allows for fast light-gathering power on this wide-field telescope.
• Includes the Iconic Soft Cat Carry Case.

William Optics UniGuide 50mm Slide-Base Guide Scope with 1.25" RotoLock - Gold - M-G50PB-WG

• Get in perfect focus with this high-quality William Optics Guide Scope.
• 1.25-inch RotoLock design for smooth and accurate focusing.
• This is the Gold version.

• Focal Length: 200 mm (7.87")

• Focal Ratio: f/4

• Diameter: 50 mm

• Total Guide Scope Length: 265 mm

• Included: 1.25" RotoLock

• Focusing: Front Focuser System w. Focus Lock Ring

• Weight: 515g (1.14 lb)

William Optics UniGuide 50mm Slide-Base Guide Scope with 1.25" RotoLock - Space Gray - M-G50PB-WG

• Get in perfect focus with this high-quality William Optics Guide Scope.
• 1.25-inch RotoLock design for smooth and accurate focusing.
• This is the Space Gray version.

• Focal Length: 200 mm (7.87")

• Focal Ratio: f/4

• Diameter: 50 mm

• Total Guide Scope Length: 265 mm

• Included: 1.25" RotoLock

• Focusing: Front Focuser System w. Focus Lock Ring

• Weight: 515g (1.14 lb)

William Optics ZenithStar 61II Doublet Refracting Telescope - Gold

Features

• 61 mm (2.41-inch) Aperture.
• f/5.9 Focal Ratio.
• 3.2 lb - Travel Telescope for Astrophotography and Wildlife Photography.
• Adaptable with any DSLR.
• This is the Gold Version
• Innovative Bahtinov Mask Cover for Easy Focus Assist.
• Soft Carry Case Included!

• The full-frame sensor size is approximately 36X24.
• A 41 mm diameter image circle.
• The Focuser is 50.8 mm (2-inch), rack and pinion, with 10:1 dual-speed micro focuser and a 75 mm travel length. 
• A rotatable L mounting bracket.
• The tube length has a range of 230 mm when fully retracted, and 300 mm when fully extended.

William Optics ZenithStar 61II Doublet Refracting Telescope - Gray

Features

• 61 mm (2.41-inch) Aperture.
• f/5.9 Focal Ratio.
• 3.2 lb - Travel Telescope for Astrophotography and Wildlife Photography.
• Adaptable with any DSLR.
• This is the Gray Version
• Innovative Bahtinov Mask Cover for Easy Focus Assist.
• Soft Carry Case Included!

• The full-frame sensor size is approximately 36X24.
• A 41 mm diameter image circle.
• The Focuser is 50.8 mm (2-inch), rack and pinion, with 10:1 dual-speed micro focuser and a 75 mm travel length. 
• A rotatable L mounting bracket.
• The tube length has a range of 230 mm when fully retracted, and 300 mm when fully extended.

William Optics All New Slide-base UniGuide 32mm Scope - Gold

The 32 mm UniGuide guide scope from William Optics has a focal length of 120 mm and a focal ratio of f/3.75. The guide scope comes with a Vixen-style slide-base. This base is compatible with the William Optics saddle carry handle and the Cat Handle bar (neither handles are included).

The back of the William Optics 32mm UniGuide scope comes with an M42 thread for attaching 1.25" cylindrical-type guide cameras such as QHY, SBIG, and ZWO cameras. Tightening knobs will ensure a stable fit for the attached guiding equipment.

The WO UniGuide guide scope has a full length of 147 mm. Of that length, the lens to the back of the guide scope is 105 mm. The Vixen slide-base measures 73 mm in length. When it comes to the 32 mm UniGuide Scope's appearance, the beautiful red exterior matches perfectly with other red William Optics refractors and accessories.

Additionally, the body of the guide scope comes with an adjustable distance of up to 25 mm. The design of the body even has a subtle focus mechanism! In order to focus the guide scope, you will need to twist the built-in dew shield. Once you have your desired focus, then you can lock it in with the black ring at the base of the dew-shield.

William Optics All New Slide-base UniGuide 32mm Scope - Space Grey

The 32 mm UniGuide guide scope from William Optics has a focal length of 120 mm and a focal ratio of f/3.75. The guide scope comes with a Vixen-style slide-base. This base is compatible with the William Optics saddle carry handle and the Cat Handle bar (neither handles are included).

The back of the William Optics 32mm UniGuide scope comes with an M42 thread for attaching 1.25" cylindrical-type guide cameras such as QHY, SBIG, and ZWO cameras. Tightening knobs will ensure a stable fit for the attached guiding equipment.

The WO UniGuide guide scope has a full length of 147 mm. Of that length, the lens to the back of the guide scope is 105 mm. The Vixen slide-base measures 73 mm in length. When it comes to the 32 mm UniGuide Scope's appearance, the beautiful red exterior matches perfectly with other red William Optics refractors and accessories.

Additionally, the body of the guide scope comes with an adjustable distance of up to 25 mm. The design of the body even has a subtle focus mechanism! In order to focus the guide scope, you will need to twist the built-in dew shield. Once you have your desired focus, then you can lock it in with the black ring at the base of the dew-shield.

• 71mm f/4.9 Astrograph
• 350mm Focal Length
• FPL-53 glass for color-free apochromatic performance
• 4 elements in 3 groups (2-1-1- configuration; new, unique, patented design - not a conventional objective/flattener/reducer design)
• Covers 45mm full-frame imaging circle
• Precise helical focusing and camera rotation; includes a 48mm make thread that accepts a wide T-ring.
• Includes mounting rings, 21cm long Red Vixen style dovetail and Cat saddle
• Weight = 6.2lbs / 2.8kg (OTA only); 8.2lbs / 3.7kg (OTA with ring, dovetail and saddle)

The Small Off-Axis Guider by QHY has 35 mm to the center point. It is a thin and solid design only being 10 mm thick. Adding an M42 thread adapter ring will add 3 mm for a total thickness of 13 mm. There are six 3 mm through holes in the OAG for direct connection to the QH-QHYCFW2 and QHY A-series camera.

The prism position can be adjusted and can be locked down to fix its position. The prism is 8 mm x 8 mm size and the aperture between the prism and mirror is 8 mm in diameter. The QH-QHYOAG has a multi-thread 1.25-inch focuser build in which has a locking thumbscrew to hold the guide camera after focusing.

ZWO 30mm f/4 Mini Guide Scope for ASI Cameras # 30120

• This 30 mm (1.18-inch) aperture ZWO Guide Scope is compatible with all ASI cameras.
• Optical Design: Doublet.
• Aperture: 30 mm (1.18 inches).
• Focal Ratio: f/4.
• Focal Length: 120 mm.
• Camera/Eyepiece Connection: M42x0.75.
• Back Focus: Adjustable, 0 to 20 mm.

• 7x50
• Individual Focus
• Fully Multi-Coated for maximum resolution and high contrast views
• Waterproof and Fogproof with nitrogen purging for all weather protection
• Rubber covered for protection and a firm grip
• Illuminated Compass built-in for direction location
• Reticle built-in for determining distance and size of objects
• Calculator Dial for quick distance measurement
• Aluminum Body
• Olive Drab for Military / Camouflage color scheme
• Tripod adapter fitting for tripod mounting for increased stability
• Soft Carrying Case for protecting the binoculars

• Experience our best optical performance with EdgeHD’s aplanatic, flat field Schmidt-Cassegrain optics for pinpoint stars all the way to the edge of today’s largest imaging sensors and widest eyepieces
• Aluminum optical tube with tube vents featuring an integrated 50-mesh filter allows hot air to be released from behind the primary mirror. Mirror support knobs hold the mirror in place and reduce image shift during imaging
• Versatile design accommodates 3 focal ratios: native f/10, f/7 with the addition of a focal reducer, or ultra-fast f/2 imaging with a removable secondary mirror and third-party accessories
• Celestron’s premium StarBright XLT coatings provide maximum light transmission.
• A 9x50 finderscope, 2” mirror diagonal for more comfortable viewing, and wide-angle 23 mm Luminos 2" eyepiece are all included

• High quality 90mm Maksutov-Cassegrain
• Fully computerized Altazimuth mount
• StarPointer finderscope to help with alignment and accurately locating objects
• Quick-release fork arm mount, optical tube and accessory tray for quick no tool set up
• Sturdy stainless steel tripod and accessory tray included
• Perfect for terrestrial and celestial observing
• BONUS Starry Night Special Edition Astronomy Software download with a 36,000-object database, printable sky maps and enhanced images including 3D renderings of stars, exoplanets, and galaxies

• Wide field of view reveals a larger portion of the night sky, allowing you to view more of the comet's impressive tail
• Large 50 mm objective lenses have tremendous light-gathering ability, ideal for astronomical use
• Multi-coated optics dramatically increase light transmission for brighter images with increased contrast and resolution
• Large exit pupil provides maximum light during nighttime and low-light viewing sessions
• Strong and durable alumnium housing