home of Matt's world famous vintage camera collection
Overview The screw mount commonly called ‘Pentax screw mount’, which was really first found in Praktica cameras, is more correctly called Universal screw mount or generically, M42 mount (according to the threads). Lenses in this mount are plentiful, cheap, and often excellent, and can Read More …
Produced various Mount M42 Focal length 2x Filter thread n/a Weight in the neighborhood of 3.5 to 4oz (100-115g) coated auto aperture pin Overview Here’s the thing about 2x converters. I hear a lot about how crappy they are, how you shouldn’t use Read More …
Produced Japan Mount M42 (Pentax/Praktica screw) Focal length 37-105mm Aperture range f3.5-22 Focal range .3m to infinity* Filter thread 67mm Weight 1lb, 10.1oz (740g) Aperture blades 6 two touch plus macro ring Overview Extremely well built zoom lens by unknown manufacturer Photax. Too heavy Read More …
Produced ? Japan Mount Pentax Screw (M42) Focal length 85-205mm Aperture range f3.8-22 Focal range 2m to infinity Filter thread 58mm Weight 1lb, 12.9oz (819.3g) Aperture blades 6 two-touch built-in shade A-M switch Overview One of my ‘forgotten’ lenses, I found it when I Read More …
Produced (Komine?) Japan Mount Pentax Screw (M42) Focal length 200mm Aperture range f3.5-22 Focal range 6′ to infinity Filter thread 62mm Weight 1lb, 6.5oz (637.9g) Aperture blades 8 built-in shade A-M switch Overview Another of my ‘forgotten’ lenses, discovered when I was cataloguing my Read More …
Produced probably by Ricoh Co., Ltd. Japan for Sears in late 1960s Mount M42 (Pentax/Praktica screw) Focal length 135mm Aperture range f2.8-22 auto or manual Focal range 1.5m to infinity Filter thread 55mm Elements Aperture blades 8 Weight 13.9oz (394g) A-M switch coated built-in Read More …
Produced LZOS, Lytkarino 1986 Mount M42 (Pentax/Praktica screw) Focal length 85mm Aperture range f2-16 preset Focal range .8m to infinity Filter thread 49mm Elements Aperture blades 15 Weight 12.5oz (354.4g) multicoated Overview Outstanding portrait lens in M42 mount. Also very sought after in LTM Read More …
Produced Riken Optical Corp., Japan Mount M42 (universal/Pentax screw mount) Focal length 55mm Aperture range f1.4-16 Focal range .5m to infinity Filter thread 55mm Elements 6 in 4 groups Aperture blades 6 Weight 10.8oz (306.2g) Auto-Manual switch coated Overview One of the sharpest lenses Read More …
Produced Tokina Co. Ltd, Japan for Vivitar, late 70s, early 80s Mount M42 (Pentax/Praktica screw) Focal length 35mm Aperture range f2.8-22 auto or manual Focal range .4m to infinity Filter thread 52mm Weight 8.3oz (235.3oz) Aperture blades 8 coated (multi?) A-M switch Overview Nice Read More …
Produced probably by Cosina Co., Ltd. Japan for Sears in late 1960s Mount M42 (Pentax/Praktica screw) Focal length 28mm Aperture range f2.8-22 auto or manual Focal range 1.5m to infinity Filter thread 58mm Elements Aperture blades 8 Weight 8.5oz (241g) A-M switch coated Overview Read More …