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Pentax 100mm f4 SMC Pentax-M Macro - Lens

Pentax 100mm f4 SMC Pentax-M Macro - Lens

Manual focus macro telephoto lens made for K-mount 35mm SLRs by Pentax manufactured from 1977 to 1984. It is capable of 1:2 magnification at maximum. Metal body available in black.

  • Asahi Opt. Co. 100mm f4 SMC Pentax-M Macro (5 elements, 3 groups)
  • Minimum focus distance: 0.45m
  • Aperture blades: 6
  • Size: 78 x 65 mm
  • Weight: 372g

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Pentax K

The Pentax K mount was introduced in 1975 and has been Pentax’s primary mount for both film and digital SLRs ever since. It has changed a few times to add new features like automatic aperture control and autofocus, but the bayonets underneath are the same. This means all Pentax K lenses will mount on all K mount bodies, including the newest digital cameras.

Pentax K was also widely used by other manufacturers like Ricoh, Cosina, and Chinon, so there is a wide variety of lenses available for the system. M42 lenses can also be adapted quite easily to work on Pentax K bodies.

One of Pentax's most successful cameras, the Pentax K1000, was instrumental in the success of the system. The K1000 is one of the longest-lived 35mm cameras and was produced from 1976 to 1997. It remains one of the go-to recommendations for photography students.

Note: Pentax K mount lenses made by Ricoh have a special “Ricoh pin”. If you want to use these lenses on autofocus Pentax cameras, the pin must be removed. Otherwise it will become locked to the autofocus shaft and removing the lens may require disassembly.

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Pentax 100mm f4 SMC Pentax-M Macro - Lens Availability & Price History
Date Sold SKU Quality Control Price Image
20 Jan 2025 T75654 € 63,75 Pentax 100mm f4 SMC Pentax-M Macro - Lens Image
25 Nov 2024 T83602 € 189,00 Pentax 100mm f4 SMC Pentax-M Macro - Lens Image
17 Jun 2024 T38334 € 129,00 Pentax 100mm f4 SMC Pentax-M Macro - Lens Image
28 Mar 2024 T29456 € 83,30 Pentax 100mm f4 SMC Pentax-M Macro - Lens Image
13 Sep 2023 T33782 € 133,99 Pentax 100mm f4 SMC Pentax-M Macro - Lens Image
24 Aug 2023 T45128 € 175,00 Pentax 100mm f4 SMC Pentax-M Macro - Lens Image
02 Apr 2022 A76765 € 199,00 Pentax 100mm f4 SMC Pentax-M Macro - Lens Image