ZWO 1.25" OIII Filter - 7nm

• Increase the contrast between nebulae and the night sky, without brightening the nebulae. 
• Bandwidth: 7nm.
• Wavelength: 500nm.
• Type: Oiii.
• Size: 1.25 inches.

• Threads onto the rear of Celestron 5” - 11” Schmidt-Cassegrain telescopes.
• Accepts any accessory with a 1.25” insert barrel, including diagonals, eyepieces, Barlows, and other adapters

The iOptron cable is a Mount to USB cable to enable control of your mount from PC, Mac, or StellarMate. Simply connect the RJ8 plug to the RS232 port on the mount and then connect it to your device via USB.

Sky-Watcher 0.85x Focal Reducer/Flattener for EvoStar 72ED f/5.8 Refractor Guidescope

• 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

Features an Ohara ED doublet objective that includes an S-FPL53 ED glass element. 

242 mm focal length results in a fast f/4.8 focal-ratio.

Precise non-rotating helical focuser for fine focus adjustment. 

Has both a T2 thread and 1.25” socket so connecting your autoguider, camera or eyepiece is easy. 

Alignment rings are provided, each with 3 nylon-tipped screws.

The bracket's finderscope mounting foot is a regular Sky-Watcher / Celestron / Vixen-style mini dovetail so fits into most finderscope shoes. The Vixen-style 45 dovetail bar features a 1/4-20 thread for tripod mounting.

An optically-matched M48-fitting doublet field flattener for Sky-Watcher's Esprit 120 ED PRO triplet refractor. 

The M48 fitting provides a large clear aperture to reduce halation and a precision thread ensures the triplet and doublet lens groups are precisely aligned on the optical axis perpendicular to the image. 

When used with the field flattener the Esprit-120 ED PRO's imaging circle is 44mm.

• Allows Evostar 0.85x Reducer/Flatteners to easily adapt to your Evostar ED telescope
• Provides a secure threaded connection
• Allows you to rotate your imaging train 360 degrees without removing anything from the optical system
• Built-in 2" filter mounting to easily place filters into the light path
• Compatible with: Evostar 80ED, 100ED, 120ED and 150ED (not the 150DX). 

StellarMate is a complete observatory control and astrophotography solution. Connect your equipment to StellarMate, and control them from any where at any time. Capture spectacular images and discover the cosmos!

Whether you're 10 or 10,000 meters away, you are always in the captain seat.

Discover the numerous features that will help your achieve more science with your equipment.

StellarMate Plus is a complete observatory control and astrophotography solution. Connect your equipment to StellarMate Plus, and control them from any where at any time. Capture spectacular images and discover the cosmos!

Whether you're 10 or 10,000 meters away, you are always in the captain seat.

Discover the numerous features that will help your achieve more science with your equipment.

The iOptron Tri-Pier combines the strength and stableness of a pier with the levelling flexibility of a tripod. Aluminum pier and leg tops. Stainless steel leg extensions. The Tri-Pier feet has built-in vibration suspension pads.

After years of R&D we have developed a new solar film that has the optical quality of glass with the advantages of impregnated polymer. Will never develop pinholes or scratches that can let in light and ruin a filter. Other advantages: lightweight and does not require re-balancing tube assembly, will not break, consistent yellow-orange solar image, even density with any aperture, flat surface compared to other thin film filters that have wrinkles and creases. Will not tear or puncture. Stronger than any other solar film on the market. Also available in sheets. Guaranteed 15 years.

Download Printable Solar Filter Instructions

Star Adventurer Mini and Star Adventurer Tripod.

Also compatible with AZ-GT series and AZ5

• Superwide adapter provides widest clear aperture possible for full-frame DSLR imaging performance without vignetting
• Integrated Nikon F-mount bayonet
• 10mm optical length
• Tapered 2" barrel couples adapter to 2" telescope focuser more securely than typical T-adapters
• Glare-threaded, flat-black interior ensures excellent contrast

View the magnificence of the universe with Vixen's ultra wide eyepiece

The new SSW series of eyepieces are designed with an ultra-wide 83 degree apparent field of view. The SSW eyepieces allow you to see an area that is three times as wide as eyepieces with a moderate 45°or 50°field of view. With this wide field of view, you see many more stars across your eyepiece. Enjoy spectacular views of stars through your telescope. The SSW eyepiece deliver clear and high contrast images with no hint of ghost and flare throughout the field of view due to its advanced multi-coating technology. You will be impressed with the extremely sharp images even at the very edge of the field of view.

View the magnificence of the universe with Vixen's ultra wide eyepiece

The new SSW series of eyepieces are designed with an ultra-wide 83 degree apparent field of view. The SSW eyepieces allow you to see an area that is three times as wide as eyepieces with a moderate 45°or 50°field of view. With this wide field of view, you see many more stars across your eyepiece. Enjoy spectacular views of stars through your telescope. The SSW eyepiece deliver clear and high contrast images with no hint of ghost and flare throughout the field of view due to its advanced multi-coating technology. You will be impressed with the extremely sharp images even at the very edge of the field of view.