This adapter lets you use a standard 1.25" astronomy filter in a chain of T / T2 threaded accessories. Has a male T / T2 thread on one side and a female T / T2 thread on the other side. Also has a 1.25" female filter thread (M28.5x0.6) all the way through in the middle.
Very low profile. Total thickness = 4.5mm (0.18"). Male T thread length = approx. 1mm (0.04"); Female T thread length = approx. 1mm (0.04"); Female M28.5 thread length = 4.5mm (0.18"). Maximum outside diameter = 45mm (1.77"). Weight = 0.15oz. Made of black anodized aluminum.Blue Fireball part number: T-10
Oct 11, 2017
F 1.25-inch to M/F T-AdapterPros: Cons: Comments:
This part fills a very specialized need for me, and does it well.
I wanted to use a 1.25-inch male threaded lens as a nosepiece for a filter wheel with a female T-thread. It works, and provides essentially a 0mm effect on focal length for my application.
The adapter threads fit, The knurled edge allows for easy attaching/detaching. The anodizing is flat black, but is only cosmetic for me because the adapter is hidden from my light path.
The adapter does exactly what it is supposed to do, and should work for others.
This review was provided courtesy of AgenaAstro.comOct 9, 2015
A fine way to hold a focal reducer.Pros:
Accurate,Lightweight,Easy to UseCons:
Difficult To FocusComments:
I bought this to connect my .5x focal reducer to my camera. It works fine, and gives a full disk view of the sun, but in order to bring it to focus you'll probably need a set of spacer rings.
This review was provided courtesy of AgenaAstro.comSort by