Apertureone

The Helios 44-2 is a 58mm Russian prime lens Manufactured from 1958 until 1992 (more recently the reproduced 40-2 85mm F/2). The optical...

Canon FL refers to a lens mount introduced in April 1964 with the Canon FX camera, superseding the previous Canon R mount. After only 7...

SMC Pentax lenses were manufactured in Japan from the early 70's, The super multi-layer coating is applied to the surface of the lens to...