2 replies to this topic

[KarthikNagaraj]

Hi, I was looking at getting the Baader 2" filters and I bumped into 2 versions:

1. For the fastar high speed rasa devices (https://www.bhphotov...d.html/overview)

2. For regular ones

 

My question is if I get the high speed ones would they suffer on a slower refractor like on an f/4 or f/5 kind of devices or are these meant *only* to be used on the f/2 to f/3 fast devices?

 

K

[wrvond]

The high speed ones should operate just fine on slower scopes, but you'd be paying for more performance than you need.

[KarthikNagaraj]

Thank you for the input.