Reducer Flattener for 3″ focuser (SFFR.72-130-3FT) Stellarvue

Description

This giant reducer/flattener will convert the SVA130’s f-7 visual optical system to a 130 mm f-5 (650 mm focal length), full frame imaging system. The basis of this dedicated system is the SFFR.72-130 reducer flattener. This unit has a 69 mm back focus using an M82X1 rear thread. This full frame reducer flattener has been responsible for many of the amazing images taken recently with the SVA130T. 

No Camera Adapter

This version of the SFFR.72-130 is designed for use with the 3″ Feather Touch focuser. Adapters will be needed to obtain proper spacing from your particular camera.  

The SFFR.72-130 threads into the 3″ Feather Touch focuser once you remove the 2″ adapter. The rear thread is M82X1 and the backfocus of the system is 70.5 mm. 

M42 Adapter

This version of the reducer/flattener comes with adapters that provide 55 mm of backfocus with a standard M42 male thread for the camera. This is the one you need if you are using an APS sized DSLR camera with standard t ring. It will also work with the SX694 Starlight Express camera with filter wheel and off axis guider.

This full frame reducer flattener has been responsible for many of the amazing images taken recently with the SVA130T.

M48 Adapter

This version of the reducer/flattener comes with adapters that provide 55 mm of backfocus with an M48 male thread for the camera. Use this with a full frame DSLR that has a 48 mm oversized t-ring. 

PLEASE NOTE: This unit is designed specifically for the SVA130T. It is not designed to work with other 130 mm refractors unless they have a removable 55 – 60 mm extension in front of the focuser as shown in pictures to the right.

Please note: While the pictures above show a 2.5″ focuser the procedure remains the same if using the 3″ focuser.