Rectangular mirrors

[roadrunner123]

I am looking for a website or company that sells rectangular scientific mirrors. I have only been able to find circular mirrors. Ideally, I am looking for a 2"x1" or 3"x1". Thanks

[berkeman]

I am looking for a website or company that sells rectangular scientific mirrors. I have only been able to find circular mirrors. Ideally, I am looking for a 2"x1" or 3"x1". Thanks

There are probably lots of places, but it looks Like Edmund Scientific Optics has rectangular first-surface mirrors:

http://www.edmundoptics.com/onlinecatalog/browse.cfm?categoryid=40

.