(52 mm filter) CPC 28-80 f2.8-4.0 (62 mm filter) CPC 28–80 mm f3.5-4.5 CPC 28–85 mm f3.5-4.5 CPC 135 mm f2.8 MC Auto A (55 mm filter) Eikor Eikor 28mm f2.8 (49mm filter) Eikor 80-200mm f4.5 (55mm filter) Focal Focal 28 mm f2.8 MC Auto (52 mm filter) Focal 28 mm f2.8 MC Auto (55 mm filter) Focal 135 mm f2.8 MC Auto (58 mm filter) Gemini Gemini 28 mm f2.8 (49 mm filter) Gemini 1:4.5 80-200mm Macro MC Zoom 55 (55mm filter thread size). Hanimex Hanimex was an Australian distributor founded by Jack Hannes after the Second World War. The name is a contraction of HANnes IMport and EXport and the company imported both European and Japanese lenses, bodies and accessories. Hannes apparently sought low cost providers and Hanimex lenses have a poor reputation among users. Hanimex AUTO ZOOM f3.5-4.5 Hanimex AUTOMATIC-MC-MACRO 135 f2.8 Hanimex MC 80–200 mm f4.5 Hervic Zivnon Hervic Zivnon 23 mm f3.5(62 mm filter) Helios Made for the Zenit cameras by KMZ MC Helios 44K-4 58 mm f2 (52 mm filter) MC Helios 77K-4 50 mm f1.8 Hoya Hoya, a leading manufacturer of optical glass, purchased Pentax in 2008. Hoya 24mm f2.8 HMC Hoya 28 mm f2.8 HMC (52 mm filter) Hoya 28–50 mm f3.5-4.5 HMC (55 mm filter) Hoya 28–85 mm f4 HMC (72 mm filter) Hoya 70–150 mm f3.8 HMC (55 mm filter) Hoya 100–300 mm f5 macro HMC (62 mm filter) Hoya 135 mm f2.8 macro HMC (52 mm filter) Hoya 300mm f5.6 HMC Hoya 135mm f2.8 HMC Hoya 200mm f4.0 HMC Irix Irix 11 mm f/4.0 Blackstone Irix 11 mm f/4.0 Firefly Irix 15 mm f/2.4 Blackstone Irix 15 mm f/2.4 Firefly JC Penney JC Penney 135 mm f2.8 Kalimar Kalimar was an American distributor of camera equipment from 1952 to 1999 when it was acquired by Tiffen. Kalimar 28 mm f2.8 Macro (52 mm filter) Kalimar 28–105 mm f3.5-4.5 Macro Kalimar 35–70 mm f2.8 Kalimar 60–300 mm f4-5.6 MC AF (67 mm filter) Kalimar 500 mm f8 (72 mm filter) (catadioptric) Kiron Kiron was a third party lens manufacturer, it manufactured lenses for other mounts as well on the decade of 1980-1990 Kiron 24 mm f2 RL Kiron 28 mm f2 Kiron 28–70 mm f4 Macro (1:4) Kiron 105 mm f2.8 Macro (1:1) LOMO LOMO is a Russian photographic manufacturer, it made some lenses for the Almaz camera on K-mount,