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Ricoh Unveils a New 100mm f/2.8 Macro Lens for Pentax DSLRs

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HD Pentax-D FA Macro 100mm f/2.8ED AW

Ricoh has introduced a brand new HD Pentax-D FA Macro 100mm f/2.8ED AW lens for its Pentax DSLR cameras, the primary all-weather (AW) dustproof, weather-resistant macro lens in its lineup.

The corporate says that the lens incorporates a brand new optical design that has been developed with its newest applied sciences to ship what it guarantees is optimized picture decision and distinction even when vast open, permitting it to seize clear, high-quality pictures.

The HD Pentax-D FA Macro 100mm f/2.8ED AW is constructed of 10 parts in eight teams, together with one extra-low dispersion aspect and two anomalous dispersion parts which Ricoh says compensate for numerous aberrations and reduce purple fringing, in any other case known as chromatic aberration. These lenses are joined by a hihg-grade, multi-layer high-definition coating which the corporate says considerably reduces the typical reflectance within the seen ray spectrum to lower than 50% in comparison with typical lenses. The lens additionally has what Ricoh calls an “progressive” Mounted Rear Component Extension (FREE) focusing system.

Altogether, the applied sciences in play listed below are designed to successfully cut back flaring and ghosting throughout the complete aperture vary and from minimal focusing distance to infinity. On that observe, the aperture vary is f/2.8 to f/32 by way of an eight-bladed diaphragm.

As a macro lens, the HD Pentax-D FA Macro 100mm f/2.8ED AW can also be able to producing life-size magnification in close-range capturing conditions and may seize advantageous element. It’s able to focusing as shut as 5.1 inches.

As talked about, the lens is dustproof and climate resistant, therefore the AW within the title, and when mixed with a Pentax DSLR with the identical weatherproofing, it creates what Ricoh calls a reliable, sturdy imaging system that may carry out in a wide range of capturing situations akin to snow, mist, rain, or in places which can be susceptible to spraying or splashing water. The lens has six sealing elements that optimize its hermetic efficiency and successfully stop the intrusion of mud and moisture into the physique of the lens in most capturing circumstances.

Its focus ring options the Pentax-original Fast-Shift single-action focus system, which the corporate says permits the photographer to immediately shift the main target mode from auto to handbook after the topic has been captured in focus by the digicam’s autofocus system.

The HD Pentax-D FA Macro 100mm f/2.8ED AW lens will likely be accessible in an ordinary black end in late November for $550. A particular silver addition of the lens is restricted to simply 300 models worldwide however gained’t value additional; it simply is likely to be laborious to seek out.

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