blue bubble: Tokyo Kogaku UV Topcor 35mm f3.5 modified M42
blue bubble: UV Topcor 35mm f3.5 on Canon 5D
blue bubble: 20121221-175550_Topcor 35mm f3.5
blue bubble: 20121221-IMG_7089_Topcor 35mm f3.5
blue bubble: 20121221-IMG_7099_Topcor 35mm f3.5
blue bubble: 20121221-IMG_7124_Topcor 35mm f3.5
blue bubble: 20130105-123130_Tokyo Kogaku UV Topcor 35mm f3.5
blue bubble: 20130527-155937-IMG_5721-Tokyo Kogaku UV Topcor 35mm f3.5
blue bubble: 20130527-162254-IMG_5750-Tokyo Kogaku UV Topcor 35mm f3.5
blue bubble: 20130527-162943-IMG_5767-Tokyo Kogaku UV Topcor 35mm f3.5
blue bubble: 20130814-IMG_7965_Tokyo Kogaku UV Topcor 35mm f3.5