Sharpstar Large 2" Field Flattener for Triplet APO Refractors
SHARPSTAR 2" Field Flattener for Triplet APO Refractors
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The SHARPSTAR 2" flattener has been designed to fully illuminate an APS-C sized sensor with 55mm working distance.
At least a 2" focuser is required to use this flattener!
1x 2" Field flattener
Free aperture: TBC
Connection on camera side: T-thread (male M42x0.75)
Connection on telescope side: 2" nosepiece
Additional M48 thread on telescope side (could be used for a 2" filter)
Each lens surface is fully multi coated
Blackened interior for improved reflection supression
Recommended distance between camera side thread and focal plane: 55mm
Example: connect a dSLR camera with a standard T-ring to the T-thread to achieve the 55mm back focus