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The smc PENTAX-DA* 1:4 300mm ED [IF] SDM is a supertele prime lens for Pentax K-mount. It uses Pentax' silent SDM motor for autofocus on compatible cameras ( K10D [ 1 ] and K200D upwards), and has Quick Shift Focus to allow manual adjustments in autofocus mode.
ES M42 Mount (Introduced in 1971. Allows open aperture metering with Super Multi-Coated Takumar lenses with Pentax ES and ESII cameras. 3rd Party ES lenses include Sigma YS, Sigma XQ, Vivitar TX, and Tamron Adaptall mounts.) K-mount (bayonet mount, all 35mm SLR and DSLR bodies since introduction of the K series in 1975 as well as the K-01 MILC ...
Asahiflex I with viewfinder closed. Cameras using the M37 lens mount. Ashiflex I (1952–1953); Asahiflex Ia (1953–1954) — also sold as the Tower 23; Asahiflex IIb (1954–1957) — also sold as the Tower 23
On Pentax APS-C cameras, the D FA 70–210mm has an equivalent focal length range of 107–322mm. This lens offers many features of the 2017 introduced D FA* 70-200mm 2.8 . While this lens is developed and manufactured by Tamron, Pentax offers an optically identical lens as part for their K-Mount .
Tamron 18-270mm F/3.5-6.3 Di II VC PZD; Tamron SP AF 28-75mm f/2.8 XR Di LD Aspherical IF Macro; Tamron 28-300mm F/3.5-6.3 Di VC PZD; Tamron SP 35mm F1.8 Di VC USD; Tamron SP 45mm f/1.8 Di VC USD; Tamron SP AF 60mm F/2 Di II LD IF Macro; Tamron SP 70-200mm F/2.8 Di VC USD; Tamron SP AF 90mm f/2.8 Di 1:1 Macro; Tamron 150-600mm lens
What set these cameras apart from earlier Pentax ones was the replacement of the M42 "universal" screw-lens mount with a proprietary bayonet mount system, known as the K mount. Still the basis for Pentax lenses and cameras today, the K mount offered greater convenience and enabled the production of faster lenses such as the 50 mm f /1.2. [17]
These are adaptors designed by Tamron to allow the transfer of aperture setting from lens to camera or vice verse, including the Adapt-A-matic (1969), Adaptall (1973) and Adaptall-2 (1979). When Pentax introduced the KA-mount in 1983 Tamron upgraded their Adaptall-2 K-mount into an Adaptall-2 KA-mount.
The HD Pentax-D FA* 70–200mm f/2.8 ED DC AW lens is a professional telephoto zoom lens for the Pentax K-mount.Announced jointly with the HD PENTAX-D FA 150-450mm F4.5-5.6ED DC AW in February 2015, [1] it is one a pair of full-frame lenses to reboot Pentax' involvement in that format, the last previously introduced full-frame lens being the D FA 100mm weather-sealed macro lens in 2009.