G'day Paul
Quote:
Originally Posted by Matt Starwave
Quite creative some telescope makers. Half a bino by the looks of it for a finder. Must be a f9 or larger comparing height to other objects around it. Another interesting project to follow. Great mount too, looks heavy alright.
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Yes it is quite creative and the bino focuses really well too, but probably won't be staying on in the long run.
In relation to the f/ratio the OTA has 3 sets of 4 holes all in the exact same location (ie in line) and size but at different distances (up and down) on the OTA so I feel that the tube f/ratio can be altered.
At the mirrors present location, if my calculations are correct it comes in around f8.8, so yes f9, but like I said it probably can be made faster.
Regards & Clear Skies
Gav