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Hi Mike
I need the extension tube because the telescope bangs into the tripod when aimed close to zenith.
I have not yet tried tried to take pix as i am still waiting for OTA rings.I used a broomstick to test OTA clearances. Please elaborate on the focus issue. I am new to astrphotography but would like to try all aspects of astrphotography.
I am not expecting to do long exposures but rather track n stack with max exposures of about 2 minutes as i do not have auto or manual guiding.
Regards
Steve
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