TSN-PA6: This photo adapter allows you to connect an SLR with a spotting scope. It is compatible with 770/880 series.
To use it you need to supplement with a T2 adapter ring for your brand of camera you have.
TSN-PZ: This photoadapter allows you to connect an SLR with the telescope while zooming. It is compatible with 600/660/770/880 series.
To use it with the 770/880 series you need to supplement with a T2 adapter ring for your brand of camera you have.
To use it with the 600/660 series one also needs TSN-CR3