bee2 macro IR87 Published June 22, 2018 at × in BIG Problem with Pentax m 100mm f4 Macro Infrared Photography, IR, Infrared, Pentax m 100mm macro, Pentax K-1, Pentax Helicoid, Tiffen 87, Vine, Bee, Bishop CA, Monochrome, Monochrome Photography, Macro, Macro Photography, Fine Art Photography