Fred,
Why not add a 2.7" Tak CAA - (Camera Angle Adjuster) and then buy a Takometer ?
These CAA's come up fairly often - I think due to upgrades to the large focussers.
Can't offer any comment on AO, other than to say that the AO investment should be considered with due regard to what size the next camera is going to be ?
If its going to be an STL11000 then the AO8 is too small.
Another consideration is that SBIGs AO's are also proprietory - they will only work with an SBIG camera.
Cheers
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