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Abbreviations

Sample photos uploaded by users (20)

Model history (12)

Specification

Sources of data

• Manufacturer's technical data.
• Asahi Pentax series lenses and accessories booklet (PUB. 06771, 60 pages).
• smc Pentax-A lenses operating manual.
• Honeywell Hot Line Newsletter.
• Pentax LX booklet (PUB. 06511).
• Asahi Pentax MX booklet (PUB. 06241).
• Asahi Pentax MX booklet (PUB. 06241) (March 1981).
• Pentax MV booklet (PUB. 06021).
• Pentax MV1 booklet (PUB. 06036).
• Pentax MG booklet (PUB. 06221) (July 1983).
• Pentax LX booklet (PUB. 06506) (April 1981).
• The many eyes of Pentax booklet (PUB. 06071).
• Pentax cameras booklet (PUB. 06091, 32 pages).
• Asahi Pentax ME booklet (PUB. 06006).
• Pentax ME Super booklet (PUB. 06731).
• Asahi Pentax smc Pentax lenses booklet.
• Pentax lenses and accessories booklet (PUB. 06771) (April 1983).
• Pentax lenses and accessories booklet (PUB. 08051).
• Pentax lenses & accessories - A Comprehensive and Versatile Photographic System booklet.
• Pentax ME Super booklet (PUB. 06726) (March 1981).

Manufacturer description #1

Designed in keeping with the compactness of the Pentax ME and MX cameras, this high speed standard lens weighs approximately 20% less than most other lenses of similar focal length and lens speed, and is one of the very few accepting 49mm filters.

Manufacturer description #2

Offering a near ideal combination of compactness, lens speed and high performance, SMC Pentax 50mm f/1.4 is the workhorse of the Pentax standard lenses. Its compactness makes it easy to handle for all general applications, while like the 50mm f/1.2 lens, its fast maximum aperture is highly useful for low-light shooting at dusk or dawn, for interiors, theater and stage performances, and so forth. A bright finder image facilitates quick focusing and composition.

Manufacturer description #3

The new high-performance SMC Pentax-M miniaturized lenses are the smallest, slimmest and lightest interchangeable lenses in the world of 35mm SLR photography.

They were made primarily to match the feel and dimensions of the new Pentax ME and MX cameras, the smallest and lightest 35mm SLRs yet made. But they fit all Pentax "K" cameras as well.

The SMC Pentax-M lenses, despite their diminutive size, are uncompromised optics, unsurpassed by conventional larger lenses. SMC Pentax-M lenses provide impeccable color rendition, crisp contrast and nearly total suppression of flare and ghost images. And exemplifying their total-convenience design, all SMC Pentax-M lenses accept the same 49mm-diameter filters.

smc Pentax-M 50mm F/1.4 measures only 1 1/2 Inches from Mounting Plane to Front Rim. This high-speed, high-resolution standard lens weighs less than 8 1/2 ounces. It has 7 elements in 6 groups, focuses down to 18 inches and covers a 46° field of view.

Pentax-M series

The second generation of lenses designed for Asahi Pentax 35mm SLR cameras with bayonet mount. Introduced with Asahi Pentax ME and MX in 1976.

• Miniaturized lenses with average 20% less weight and length than their standard SMC counterparts, but with no sacrifice in quality of construction, resolution, durability or contrast;
• Robust, all-metal design with recessed focusing distance scale;
• Fully automatic diaphragm;
• Support for TTL open-aperture metering;
• Extremely accurate manual focusing with rubberized focusing ring;
• Multi-layer anti-reflection coating.

Other standard prime lenses in the Pentax K system

Lenses with similar focal length