Quote:
Originally Posted by gaseous
If you do decide to get a collimator, the 2"-1.25" adapter could possibly be used in your Barlow too.
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Ah I didnt know you could use an adapter to use a 1.25" EP on a 2" barlow. I might have to look into that. Any difference optically thab uaing it on a 1.25"?
Quote:
Originally Posted by Startrek
Hi Adam,
I have a Bintel laser collimator and an Orion lasermate collimator I use on my 10” dob and 6” reflector. Good collimation is a must and gets easier to do each time I get the scopes out
I generally use the following eye piece focal lengths -
Stars , DSO’s 10mm to 30 mm
Planets 5mm to 10mm
Moon 5mm to 20mm
I don’t use Barlow’s
AFOV, Eye relief and Exit pupil are important factors to consider when selecting eye pieces
If you can get a copy of William Paolini’s book “ choosing and using Astronomical Eye pieces” it is an excellent resource to totally understand eye pieces in amateur astronomy. I thoroughly recommend the book
Good luck
Clear skies !
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Theres $30 difference between those 2 collimators at bintel. Is there mucj difference between them?
Out of that range im missing the 5mm. Its a choice between a barlow to get my 10mm or 12.5mm down around there or just buy an EP. Im leaning towards the barlow to use my existing ones. I want to experiment and get an understanding with what I have in regards to finding my preference with AFOV and eye relief etc before dropping some coin in a decent eyepiece.
Thanks for the advice!