90mm Refractor with universal mount & IMX290 Colour camera
The Bresser Guiding Kit combines a 90mm aperture/500mm focal length achromatic refractor optical tube assembly and the high resolution Bresser GPCMOS colour CMOS camera (Sony IMX290) with all the hardware you'll need to get this system mounted to a variety of telescopes.
Universal Bresser Guiding Kit
Guiding-scope, guiding-camera and dovetail clamp included
For long exposure Astrophotography with autoguiding
Aperture / focal length of guiding-scope: 90/500mm
Universal prism clamp
Screw set for Messier/ES handle included
Also fits to many other telescopes
Complete guiding kit
A high specification universal guiding kit is available from Bresser, which is easy to assemble and install. Consisting of a 90mm aperture, 500mm focal length guidescope, a tracking camera and a quick release mounting clamp - this system will enable you can start long-term photography with active tracking control (autoguiding).
Easy setup
Simply mount the prism clamp with the mounting screws on the carrying handle of the Bresser Messier and Explore Scientific telescopes and the AR90 / 500 guide scope with tracking camera can be easily fixed in parallel to the main telescope. The guide camera can then be connected directly to the ST-4 compatible autoguider port of your telescope mount. Connecting the tracking camera via USB cable to your Windows computer and install the camera drivers and any Autoguider software - you can start properly auto guided accurate astrophotography.
Universal mounting system
The prism clamp has 2 x 6mm countersunk holes (35mm hole spacing) and 3 further 1/4 "photo tapped holes to allow for versatile adaptation to a variety of other telescopes and adapter plates.
Versatile guider & imager
The guide camera is very useful for autoguiding but can also be used as a serious imager. The Sony IMX290 will provide stunning images when used as an imager of planetary, lunar and deep sky objects
IMX290 Colour Guide Camera & Imager
One of the main characteristics of the new back-illuminated SONY IMX290 CMOS sensor in the Bresser Full HD Deep-Sky Camera & Guider 1.25", is the high sensitivity to light which makes it possible to also capture deep-sky objects without active cooling. Sony has increased the quantum efficiency up to 77% at 533nm wavelength which is much better than many rival CMOS sensors could achieve in the past
NOTE: The autoguider software is not included. You can use PHD Guiding, Guidedog, Metaguide, Guidemaster (Freeware) or AstroArt, MaxIm DL (chargeable).
DOWNLOAD PHD-Guiding: http://www.stark-labs.com/phdguiding.html
DOWNLOAD GuideDog: http://barkosoftware.com/GuideDog/index.html
Included in this package
Guidescope - Bresser Messier AR90/500 (4890500) + Accessories
Guidecamera - Bresser GPCMOS02000KPA colour (4959050)
Dovetail-clamp for Messier/ES/GP/Vixen (4910220)
Screw-set for Messier/ES handle included
USB 2.0 cable (camera to computer)
ST-4 cable (camera to telescope mount)
Camera driver software + ASCOM driver
Professional ToupSky imaging software
Customer Reviews 
Great product and service. Firstly, a pleasant and easy transaction from Harrison Telescopes. Easy to order and prompt delivery. The Kit: Fantastic guide scope with camera, fitted on my newtonian and mounted with no issues all supplied fittings provided. The camera is very nice to use either on its own via USB or St4 guiding. (21/02/2018) Keith Stainton - Portsmouth
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