544MC Gehmann rearsight iris with 1.5x diopter

Iris 0.5 - 3.0mm, 501MC
1.5x diopter with -4.5 to +4.5 correction
In an attractive, anti-reflective matt silver and blue finish
Laser engraved indications
Steel threaded connection - which for example enables the use of a diopter
5 external push-fit rubber rings which attach to the knurled ring in: Red, yellow, green, blue and black
Designed to provide an illusory optical effect which ensures perfect eye alignment
An extremely simple and inexpensive idea that gives an exceptional improvement
Detachable diopter 50300MC (needs 577)