Oddly enough I did discuss this with Peter and he pointed me here:
http://www.televue.com/engine/TV3b_p...d=61&Tab=_phot
In essence, the type 2 Paracorr can be used for both Visual and imaging without the need to change your pole length! I have the type 1 sadly but am looking to change it at some point.
It's better explained with the 3" version:
http://www.televue.com/engine/TV3b_p...=61&Tab=_phot3