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Tasco 350x50mm Refractor Novice Telescopes

What lens do i insert into scope to view the moon (by 2 users)

posted by Slayer32273 on Dec 30, 2007


I purchased a Tasco telescope recently,putting it together was the easy part,i just wanted to know what lens i put in the scope to view the moon?The telescope came with a HM25mm,H12.5,SR4mm eyepieces,and i already know the Erecting eyepiece is for horizontal viewing,and the Barlow lens i think is for making the eyepieces more "powerfull".I just don't know what to use and how to put them in the scope.Maybe if you had a diagram or something it would really help.Thank You

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1 Other User Has The Same Problem

Comment by carolannstew, posted on Jan 03, 2008

we have assembled the scope and for some reason we cannot view anything during the night, the sky is clear just don't know which lens to use, H, 25mm or the other, can you help us please, my 4year old is very interested in seeing the moon, and the space station the very bright looking star.

Thanks

Best Solution
posted on Jan 02, 2008
Helpful (85)

swilleyman


Rank:Apprentice Apprentice
Rating: 90%, 9 votes
The moon is big so use the 25mm. The Barlow will have a multiplication marking on it 2x 3x etc. A 2x Barlow lens will effectively double the power of the eyepiece you are using. Do not use the erecting eyepiece for anything other than land viewing. Erecting eyepieces generally reduce the amount of light reaching your eye and thus reduce brightness of the faint objects in the sky.
So basically just place the 25 mm lens in the focuser and point the scope at the moon and you will be amazed at what you can see and how bright it is.

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