Lens system mounts forward or reverse
The Macro-System of OEM lenses, mounts, extension tubes, and focusing mechanisms can be mounted in forward or reverse directions individually or in sets ranging from 28 to 90 mm. Each lens comes with an adjustable iris that is secured by a locking thumbscrew and two hexhead locking screws. Nick el camera adapt ers are engraved with their thickness measurements and interface to common camera mounts. Ex ten sion lens tubes are available in 75-, 50-, 25-, 10-, 8-, and 6-mm sizes. A helical focusing mount offers up to 12 mm of displacement. Schneider Optics Inc., 286 Oser Ave., Hauppauge, NY 11788, (516) 761-5000; Fax: (516) 761-5090.