Assuming a x2 Barlow; you'd get the eye relief of the 26mm with an effective fl of 13mm. An 1.25" Barlow would do just as well. The 2" seems over kill unless you're using 2" eyepieces. I have a 2" TV "Big Boy" X2 Barlow and find that it rarely gets out the box.
Quote:
Originally Posted by rastis95
Hi all,
Was wondering if there is any drama's using a 2" barlow with my meade 26mm. would i still get a good fov compared to using a 1.25" barlow and a 15mm gso ep. Any info would be appreciated.
Cheers
Scott  |