Miniature telephoto for the Pentax Auto 110 SLR, 135mm equivalent from the world's smallest interchangeable lens system.
The Pentax Auto 110 70mm f/2.8 is a telephoto prime for the Pentax Auto 110 system — Pentax's miniature SLR using 110 film with interchangeable lenses in a tiny bayonet mount. Pentax 110 mount.
f/2.8 maximum aperture. 70mm focal length (telephoto for the 110 format). Pentax 110 bayonet mount. Miniature design. Manual focus (for the 110 system). Pentax 110 mount.
The Pentax Auto 110 was a remarkable feat of miniaturization — a fully functional SLR with interchangeable lenses in a body smaller than a 35mm compact. The 70mm lens provides a telephoto perspective on the small 110 format. 110 film is still available from specialty suppliers.
On the used market the Pentax Auto 110 70mm f/2.8 is a specialist miniature telephoto. Condition checks: tiny front element condition, aperture, Pentax 110 mount. Pentax 110 mount — Pentax Auto 110 cameras only. Very rare.