Dual Threaded Adapter

For 2.7'' focuser for Reducer. Model: DTA-RED2.7

  • Design for Founder Optics reducer and flat flattener use
  • Best choice for advanced refractor astrophotography
  • To capture the best image thru the mechanical stability connection
( Dual Threaded Adapter use on the 2'' barrels. Please make sure the 2'' barrels on flatteners/ Reducers are moveable before you buying this product) 
Different from traditional mechanical connection-  to stabilize connection by using thread adapter instead of tension adapter or screw.    
Reduce the gap from every mechanical unit to get a good collimation for the best image shot.
High precision machining thread to give the best connect between draw tube and field flattener/ Reducer.  
Adjust adapter ring to make the camera to the correct direction.

       (only 2’’ will need to adjust as 2 pieces. 2.7’’ is one piece)



How to use:

(For 1 piece mode:DTA-FF2.7/ DTA-RED2.7) 

Step 1 . Remove 2’’ barrel from t he field flattener / reducer


Step 2 F ix the T2 ring m ount on the M42 / M4 8 thread (If for DSLR camera) and also
remove the barrel adapter from the telescope.


Step 3 . C onnect the set of adapte r with the field flattener / re ducer ( and T2 ring m ount) to
the telescope.


Step 4 . C onnect to the camera (CCD or DSLR camera)

Step 5 . Finish astrophotography disassembly
Remove the camera from t he T2 ring m ount first .
Rotate the whole set of dual threaded adapter and t he field flattener / reducer
counterclockwise . And then separate all the components step by step.

Model No

Product Name


2’’ Dual Thread Adapter for Field Flattener (2 pieces)


2’’ Dual Thread Adapter for Focal Reducer (2 pieces)


2.7 ’’ Dual Thread Adapter for Field Flattener


2.7’’ Dual Thread Adapter for Focal Reducer

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