Great H-alpha filter with a smooth field and works down to f/3. The filter I received was very well centered at 656. 2nm.

None of the holes on the bracket don't line up with the holes on the bottom of my Mele mini computer. They do line up when the bracket and computer sits crooked on each other. The only way to make it work is to drill a new hole, which would void the warranty. There needs to be a list of which mini computers this actually fits without modifications

of any kind.

Excellent product. Well manufactured product

Exactly what I needed. Allows direct coupling of my Baader UFC to my ZWO ASI2600MC Pro camera.

What can I say, It does what its supposed to do, and it does it well. <br

Fast delivery,looks new,and fits perfectly.