The Takahashi TOA-35 Reducer 0.7x for 130:

• This screw-on camera adapter has an M72x1 female thread on the telescope side for direct connection to the TOA 0.7x Reducer when used on the TOA-130.
• There is an M54x0.75 female thread on the camera side to connect the wide T-mount bayonet rings.

Takahashi CA-35 Camera Adapter for TOA Reducer 0,7x with TOA-130 and for Reducer FC-35 with FS-128 / FS-152

• Connection (on the object side): M72x1 (neg)
• Connection (observer side): M54x0.75 (neg)