Short OAG : TS or Lacerta ?

[philming]

Hi all !

I plan on shooting with my GSRC8" with an OAG, along with a Lacerta Mgen and a CCDT67.

I'm hesitating between the TS9mm and the Lacerta one.

On lacerta's site, they crash down the TS one with an animation showing the tilt there can be on teh TS one.

http://www.teleskop-austria.at/information/zube-offaxis-ts/pdf/tsoag9_oaghu48/stability_TSOAG9.gif

So I dont know if it's real or not, needless to say I'm hesitating between the two (especially since I can get my hands on the Lacerta one for the same price as the TS.

Now since I'm going to be using an Mgen, I'm not sure the fixed poistion of the Lacerta's AOG is the best I could get. Finding a guide star isn't that easy for starters after all...

Any advice would be welcome !

Best regards