Focuser Sites

Starlight Instruments provides all kinds of equipment and accessories for telescopes, including digital focusers, micro touch focusing systems, telescope tube adapters plus many other items. Starlight Instruments is proud to announce that it has added a NEW focuser to its stable of high quality telescope focusers. This is a 1.25" focuser which is the perfect upgrade for any small refractor or...

Clement Focuser is a new type of telescope focuser, patented, low profile, compliant, long travel, non-rotating, precision, no grease, no image shift, works in harsh environment and wide temp. range. Is the no compromise Clement Telescope Focuser. This is not a helical, crayford, or rack and pinion focuser. The patented Clement Focuser is a totally new type of precision positioning device...

Over the past five years, I have actively looked for any device to help with centering a guide star. Each involved moving the guidescope and each had major drawbacks or limitations. The XY Finder by Tau Ceti approaches the problem uniquely and has no drawbacks. It moves the eyepiece, or CCD guider across the field of view instead of the whole guidescope! What a simple and elegant concept! It...

The Lakeside Astro motorised focuser can be used with MaxIm or FocusMax and other ASCOM compatible programs to autofocus your telescope. The motorized focuser can also be controlled by using the push button switches to provide manual focusing. The unit is provided with a all necessary cables, installation CD and suitable bracket and coupler to connect the stepper motor to the telescope. For a...

Video astronomy software semi-live and live viewing, mount control and focuser control via ASCOM. AstroLive powers the Aloha Explorer project, a joint K-12 outreach effort by Georgia Tech and the Air Force, remotely operating an observatory in Maui, Hawaii using AstroLive. Home of AstroLive, the state of the art real-time video astronomy processing software! Video astronomy and near real-time...

Compression Ring Focuser Adapter for Synta Refractor Focusers - Orion ED80 and others, Sky Watcher 120ED, etc. - Back in stock! LightBridge 10, 12 and 16", GSO, Harden & X-Class 12" f5 Dobs, C10N, DBA Deep Space Dob Secondary Collimation Thumbscrews. LightBridge, GSO, Zuhmell and Hardin Optical 8", 10" & 12" Dob Primary and Secondary Collimation Thumbscrews and Springs. EZ Focus Kits for...

Developed in partnership with Optec inc the new FocusLock software integrates our patent pending SharpLock technology to provide an easy-to-use focusing application that functions whenever guiding is active. The ONAG cold-mirror introduces a slight astigmatism to the guide image allowing FocusLock to quickly determine on which side of focus the camera is currently positioned. Using SharpLock to...

Starlight Instruments provides all kinds of equipment and accessories for telescopes, including digital focusers, micro touch focusing systems, telescope tube adapters plus many other items. Starlight Instruments in conjunction with TeleVue is proud to introduce the last word in coma correction for Dobsonian telescopes. We call it the Starlight Integrated Paracorr System or SIPS for short,...

The Televue 8mm Ethos features an incredible 100 degree apparent field... The Altair Starwave 102ED FPL53 Refractor is an excellent choice of et... Al Nagler’s new 4-element concept, continues the tradition of full-fie... The Tack-Sharp, Long Eye-Relief 68 degree Field Eyepiece, Tele Vue has... You may know there's a long history of naming eyepieces after their de... Explore Scientific Star...

Ontario Telescope and Accessories is the leading provider of telescopes, astrophotography equipment, CCD and CMOS cameras, imaging & auto guider cameras, binoculars & accessories. Shop today! Ontario Telescope and Accessories is a proud sponsor of the Peterborough Astronomical Association. Ontario Telescope and Accessories is a proud sponsor of the Royal Astronomical Society of Canada. 10"...

The Ascension premium apo-chromatic refractors were the first reasonably priced triplet ED telescopes widely available in the UK that use a high quality Japanese ED triplet (premium FCD1 ED). These first-class photo-visual instruments offer unequalled value for money and come in three different sizes (80mm F6, 102mm F7 and 127mm F7.5). A new range of achromatic refractors featuring superior...