Useful item UNX-8594
With this aperture ring for Elmar, you can easily adjust the aperture simply by loosening the hood's thumbscrew and turning the hood.
Meister Series
Useful item 
Release UNX-4307
The Meister metal release is a classic type with a valve button on the side. Smooth operation as only a release can provide solid support for shooting.Each release is manufactured by hand in our company, faithfully reproducing the old-fashioned release manufacturing method.
Maintenance UNX-1613
This is UN's original blowing system equipped with a double valve structure (to prevent backflow of air) and a high performance filter that catches suspended particles of 0.3μm or larger.
Maintenance UNX-1808
High performance lens cleaning paper developed for optical lens cleaning. The non-woven paper, consisting of three layers of fine fibers, quickly wipes off dirt. Use with UNX-1807 Super Cleaner for even better wiping effect.
Maintenance UNX-1807
The U.N. Super Cleaner is a high-quality, high-performance cleaning solution for hand-wiping that is also used by manufacturers to clean lenses. (Made in Japan)
Lens Hood & Cap UNX-8592/UNX-8593
A36 Hood This is a brass lens hood for A36 aperture lenses such as Elmar and Summaron f=3.5cm. Even after the hood is at...
Lens Hood & Cap UNX-9601
W-NIKKOR.C3.5cm f2.5 (L mount) / W-NIKKOR.C3.5cm f3.5 (L mount) aluminum hood. This is a reprint of the hard-to-find resin type genuine hood made of machined aluminum.
Filter UNX-9623
This is an eins super protect filter with a special diameter of 34.5mm. It is made of SCHOTT glass as same as the conventional eins protect filter, and has water/oil repellent coating and inked finish on the outer circumference of the lens to suppress the reflectance to 0.3% or less.
Filter UNX-9616～UNX-9626
This is UN's original eins Super Protect Filter for classic lenses, designed to be as thin as possible (1.2mm thick when mounted / 2.2mm for UNX-9616).