Blue Fireball 1.25" Nosepiece Adapter with M48 Male Thread # M-20

This item (Blue Fireball 1.25" Nosepiece Adapter with M48 Male Thread M-20) does what it is designed to do and seems to be well-made. Both threads readily fit my gear.

It meets my particular need for using a makeshift afocal projection eyepiece assembly with a 2-inch nose in 1.25-inch focusers (i.e., gives more possibilities for smartphone image captures at outreach). It also readily accepts a thread-on Barlow lens for increased magnification and to reach focus in some telescopes.

A couple of surprises when I received the adapter:

- the 1.25-inch filter threads are only on the end of the nosepiece (for about 5.5mm), unlike the impression of a full-length thread I see when looking at the website image. Instead, a reduced diameter inside (about 26mm) is grooved/finely-threaded to help reduce reflected light.

- the 1.25-inch nosepiece has a safety-bevel instead of being straight-sided, which is shown in the website image, but is not too easy to see.

Neither of these surprises are of any concern for my uses.