Question about Optics
I am looking for a finder scope for a Jason Rotary 540 telescope I have just obtained in what I thought was a sealed box. Any suggestions as to a replacement or other solution would be very much appreciated. I actually have the instructions that seem to be so elusive and would be happy to scan and e-mail them to anyone who needs them. They're not very detailed or comprehensive, so don't get your hopes up and expect a ton of tips or information aside from assembly and basic operation.
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Posted on Jan 02, 2017
Put the eyepiece with the largest number written on it into the telescope. DO NOT use the 2x barlow if you have one. Go outside during the day time and practice focusing on a distant object.
The moon should be your first target.
Posted on Nov 01, 2009
Do not turn "on" the 2x barlow attachment. Use the LOWEST power eyepiece on the turret. (the one with the largest number in mm written on it).
Go outside during the daytime and practice focusing on a distant object.
Sorry, but that small 60mm telescope will NEVER get to 500 power. The maximum possible power if everything is perfect is 50 times aperture. So your scope would be around 75-90 power only-- MAXIMUM, applying more power will make the sky object larger BUT fuzzier and much more dim.
Posted on Nov 08, 2009
SOURCE: i can not focus the finder scope
Most finders focus by either turning the lens, or the eyepiece portion of the finder. Look through the eyepiece at a distant object and try turning one or the other as described above.
Posted on Jan 18, 2010
SOURCE: need the manual for Jason
Sorry there are no manuals for that imported telescope. However Tasco has a web site with their manuals-- find one that is similar to your scope as they assemble in a similar fashion.
Posted on Jul 23, 2011
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