Optical Accessories

Compact 50 mm f/4 guide scope with 1.25" connector - can be mounted on your telescope instead of the finder - perfectly suitable for ZWO mini autoguider and similar ones

• Aperture 50 mm
• Focal length 200 mm
• Weight only 520 grams
• Camera side connection 1.25" - clamping by Rotolock - clamped as screwed
• Sharpness adjustment by turning the objective - with lock ring
• Adjustable working distance of 0-15 mm behind the eyepiece clamp - suitable for all autoguiders with 1.25" body, such as ASI120 Mini
• Easy connection to the telescope instead of the finder, suitable for Skywatcher, TS-Optics, GSO, Vixen, Celestron, etc.

New ! Adjustable Flat61 for William Optics ZS61 II Telescopes

• Compensates for field curvature and enables sharp images at the edges
• Camera can be mounted directly with M48 camera adapter
• Suitable for refractors from f/5 to f/7
• Distance to chip plane is variably adjustable

Perfect astrophotography: Whether you are an experienced astrophotographer or an enthusiastic beginner - with this Reducer Flattener you can take impressive pictures with ease.

A valuable addition for the large refractors from William Optics

• Image correction right to the edge
• Reduction factor 0.72x
• M92 threaded connection to the telescope
• Universal connection with M48 to camera or filter wheels etc.
• Very high quality workmanship

• Very high quality optics
• Universal use (as a guider or astrophotographic telescope)
• Compatible with Flattener 61
• Usable as guider with 360mm focal length for primary optics with focal lengths between 700mm and 1200mm