Canon EF 100mm f2.8L IS USM Macro brand_Kawauso-Shoten there is some light hazing

there is some light hazing around the edge of one central element which is unlikely to materially affect images (we haven't seen any effects

but there’s no effect on function

which you skew sideways to create a lever arm that you use for rewinding

This particular example is the rarer version with index marks for Leica 7

but no haze or fungus- it's nice and clean

Canon EF 100mm f2.8L IS USM Macro brand_Kawauso-Shoten there is some light hazingThe Canon EF 100mm f2. 8L IS Macro is a modern, pro quality macro lens with Canon's premium L series optics and build quality, plus an image stabilizer that works all the way to the closest focusing distance. Magnifies to life size (1: 1) without extension tubes. In excellent condition, with clean glass. Includes hood.