Very nice and good quality glass prisim

Nice quality glass, really fun to play with

Nice quality and crystal clear glass!

the glass is very clean , it may be "optical" but its NOT suited for photography, the corners are cut and produce a line , it can be seen in the product picture but i missed it

really like the glass

Clear glass in a decent box

packaged securely in and nice gift box and the glass itself is clear.if you are wanting to purchase a prism for eye candy and rainbows over teaching

Good glass.

Good glass quality

the glass is pretty good and clear

This is great glass and comes in a nifty box for storage and carrying

glass is much better!

Was here before estimated arrival, just as described it is a perfect glass rectangular prism and is flawless

No finger marks and broken glass

Very clear glass with excellent refraction in sunlight.

Clear glass.

This Optical glass is fantastic for not only photography but videography

The glass was clear and clean

Good as it describe

Worked as it should.