Sigma Accura 200mm f4 lens=Nice MF lens with an unusual threaded mount. Maybe its M42, maybe Exakta, maybe T-mount. Includes front cap: $25

　　Please call

　　(AFTERNOON OR EVENING), as I usually don't check email until late evening. If you get the answering machine, please speak clearly when you leave your number. If you email me, please include your phone number. I live near Greenback/I80.

　　Sigma Accura 200mm f4 lens, threaded mount

　　Location: Greenback/I80