optical telescope accessories

The 3" Photoline 0.8x reducer and corrector is optimized for full frame cameras and suitable for all apos from 102mm aperture - with integrated fine tuning for optimal working distance.

• Optimally suited for large sensors (full frame and larger)
• Connection thread on the telescope side is M92x1 male thread - adapters for focusers from 3" are available
• The distance from the corrector to the camera is precisely adjustable with the camera connected for optimal field sharpness - Position is fixable
• Triplet design with improved color correction - Special glass from Ohara (Japan)
• Camera connection via M48x0.75 adapter with integrated female thread for 2" filter
• Additional M54x0.75 thread for larger camera sensors - prevents vignetting due to M48
• High-quality multi-coating, internal blackening and anti-reflective thread prevent reflections and ghost images
• Dust caps for screwing on the M92 thread and M48 thread are included in the scope of delivery

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

This Reducer Flattener is designed to take the optical performance of your telescope to a new level. With a reduction factor of X0.8 and an outstanding flattener function, it minimizes distortions and aberrations that can occur during observation and photography.

The 0.8x Flattener corrector from William Optics is optimized for full-frame format and suitable for all apos from 102mm aperture with large extensions.

• Connection thread on the telescope side M92x1 - adapters to M68 or M54 are optionally available
• The distance is precisely adjustable, so the corrector can be individually
• optimized to the refractor for best possible stars
• Triplet design with Ohara glass (Japan)
• M48x0.75 camera mount with possibility to screw in 2" filter