Sharpstar 3" f/4.8 0.74x Reducer and Flattener for FULL FRAME Cameras for Sharpstar 140PH Telescope - M48 Camera Connection

Sharpstar 3" 0.74x Reducer (f/4.8) and Field Flattener for FULL FRAME Cameras for Sharpstar 140PH Telescope - M48 Camera Connection

• M88 Connection Thread to the 140PH telescope
• Designed for Full Frame cameras
• M48 camera connection
• Standard 55mm back focus from M48 thread
• Triplet air-spaced design
• 360-degree rotation
• Built-in 2" filter thread (TBC)

This Reducer/Flattener has been specifically designed for the Sharpstar 140PH APO telescopes to achieve a fast f/4.8 focal ratio for full frame imaging.

The new 3" full frame reducer for 140PH APO is made of high quality metal and beautifully machined. The focal ratio is reduced from the original F6.5 to F4.8, combined with 140PH APO to provide crystal clear images and bright peripheral stars, it is an indispensable accessory for astronomy enthusiasts, owners of the Sharpstar 140PH..

Connections and Back Focus:

• connection to telescope: M88x1 male thread (just in case we also mention that there is also a M82 female thread on the telescope side)
• connection to camera: M48x0.75 male thread
• Back focus from M48 thread: 55mm

Specifications:

• connection to telescope: M88x1 male thread
• connection to camera: M48x0.75 male thread
• recommended distance from connecting thread to focal plane: 55mm
• focal length reduction: 0.8x
• lenses: 3 lenses fully multicoated (one ED lens included)
• fully corrected and illuminated field: 44mm
• length: 106mm
• diameter: 94mm with collar, 88mm / 80mm without the collar
• weight: appr. 900 g