QHYCCD Mini Guidescope


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The QHYCCD miniGuideScope has a focal length of 130mm and a diameter of 30mm. The weight is only 111g. The use of broadband anti-reflection coating on the achromatic lens assures image quality that is sharper then the use of a telephoto industrial lens. Sharper star images provide better feedback regarding tracking error, so the accuracy of the system is improved

1 in stock (can be backordered)

SKU: QHY-miniGuideScope Category: Tags: , ,


When the pixels of a guide camera becomes small and QE becomes high, you may not need a big guide scope, smaller pixels can detect the guide error in a shorter focal length. And, when the focal length is reduced, the FOV becomes larger, so it is easier to find bright guide stars. 

QHYCCD’s new miniGuideScope is based on just this idea. The QHY5L-II has 74% high QE, 4 electron readout noise and small 3.75um pixels. This camera is idea for a short focal length guide scope. The miniGuideScope is a 30mm f/4.3 (130mm FL) ultra-small telescope. It has no complex focal adjust system. Just rotate the front of the OTA and it provides fine focal adjustment. Once focus is achieved, the tube can be locked into position and there is not need to focus again unless the system is moved.

The miniGuideScope provides pin-point star images as sharp as any lens in the industry.

Optional QHY5L-II -Mono Guide Camera is not included.

miniGuideScope Specification
Focal Length
Object Lens Type
Focus System
Front Side Focuser
Focus Locker
Camera InterfaceC/CS Mount
Compatible CamerasQHY5II and QHY5III series
Anti-Scatter Light Matt PaintYes, Internal painted
Weight (OTA only)111g
Telescope ConnectorOptional Standard ViewFinder Scope Connector with Tripod Screw Thread
Diameter of the OAT31.6mm
Focus Adjustable RangeInf. to 1.5 meter


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