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Ricoh pronounces HD Pentax-DA* 16-50mm F2.8 lens, set to go on sale in August for $1,400: Digital Images Assessment


Ricoh Imaging has introduced the HD Pentax-DA* 16–50mm F2.8 ED PLM AW lens, the most recent lens in its Pentax Star (*) lineup that’s designed for APS-C Pentax Ok-mount DSLRs.

The all-weather (AW) lens presents a 24.5-76.5mm full-frame equiv. focal size and is constructed of 16 components in 10 teams, together with one extra-low dispersion (ED) factor, one anomalous dispersion optical factor, two ED aspherical components and Ricoh Imaging’s HD Coating, designed to cut back ghosting and flaring. Ricoh Imaging says the lens is ‘dustproof’ and ‘weather-resistant’ when paired with an accompanying weatherproof Pentax DSLR digicam physique.

Ricoh Imaging notes that is the primary large-aperture Pentax lens to make use of an ‘superior pulse motor’ (PLM) to drive the autofocus (AF). Along with higher AF efficiency, the lens additionally guarantees an improved handbook focus (MF) expertise, together with a quick-shift focus system that can change to MF if you happen to rotate the main target ring after locking focus by half-pressing the digicam’s shutter button. The minimal focusing distance is 30cm (1ft) and the utmost magnification ratio is 0.24x.

The lens makes use of an electromagnetic diaphragm mechanism for controlling the nine-blade aperture. The 9 blades are curved in order that they supply a round aperture between F2.8 and F5.6 at 16mm, and between F2.8 and F8 on the 50mm finish of the zoom, serving to give spherical bokeh on the settings with the shallowest depth-of-field.

Nevertheless, this electromagnetic diaphragm management solely works when utilizing cameras that help the most recent KAF4 mount specs (a full listing of appropriate cameras might be discovered within the press launch, embedded under). When used on full-frame Pentax Ok-mount DSLR digicam techniques, the digicam will solely work in Crop mode.

The lens (with out the included lens hood) measures 84mm (2.2″) in diameter by 117mm (4.6″) in size and weighs 712g (25.1oz).

The HD Pentax-DA* 16–50mm F2.8 ED PLM AW lens is ready to retail for $1,400 when it turns into obtainable in August 2021 at Ricoh Imaging’s web site and licensed retailers.

Press launch:

Ricoh pronounces HD PENTAX-DA★ 16-50mm F2.8ED PLM AW for Ok-mount digital SLR cameras

Giant-aperture commonplace zoom lens is newest addition to new technology, high-performance PENTAX Star collection

PARSIPPANY, NJ, July 14, 2021 – Ricoh Imaging Americas Company at this time introduced the HD PENTAX-DA★ 16-50mm F2.8ED PLM AW lens, the most recent addition to the brand new technology PENTAX Star (★) lens collection. Designed to be used with PENTAX Ok-mount digital SLR cameras, Star-series lenses boast the very best imaging efficiency of all PENTAX lens lineups. This massive-aperture commonplace zoom lens options an open aperture of F2.8 over your entire zoom vary to ship distinctive optical efficiency and is a perfect regular-use lens for the not too long ago introduced PENTAX Ok-3 Mark III.

The HD PENTAX-DA★ 16-50mm F2.8ED PLM AW lens incorporates a newly designed optical system and—for the primary time in a large-aperture PENTAX lens—a sophisticated pulse motor (PLM) to guarantee easy, high-speed, high-precision autofocus (AF) operation with minimized noise. The lens has been fine-tuned for higher operability in manual-focus operation and features a quick-shift focus system to supply an on the spot shift from AF to handbook. It gives a minimal focusing distance of slightly below 12 inches and a most magnification of 0.24x. This new commonplace zoom lens permits customers to totally benefit from the strategy of images based on their very own preferences and can be utilized in quite a lot of purposes together with panorama, snapshots and portraits.

The HD PENTAX-DA★ 16-50mm F2.8ED PLM AW lens additionally options an electromagnetic diaphragm management mechanism to guarantee excessive precision publicity management and easy focus monitoring when utilized in mixture with appropriate digital SLR cameras. The mechanism additionally permits the seize of video clips utilizing computerized publicity management, even when there are appreciable variations in brightness when capturing.

The lens has been designed to supply sharp, clear pictures freed from flare and ghost pictures, even beneath demanding situations like backlight. It encompasses a nine-blade round diaphragm to provide a pure, stunning bokeh (defocus) impact even at open aperture. It has been handled with the PENTAX-original HD coating, which assures a lot increased mild transmittance than typical multi-layer coatings.

The brand new AW (All Climate) lens options dustproof, weather-resistant development to forestall the intrusion of water and mud into the lens barrel. When paired with a dustproof, weather- resistant PENTAX digital SLR digicam physique, it assures a sturdy, dependable digital imaging system that performs fantastically in demanding capturing settings — even in rain or mist, or at places susceptible to water splashes or spray.

Pricing and Availability

The HD PENTAX-DA★ 16-50mm F2.8ED PLM AW lens will likely be obtainable August 2021 at www.us.ricoh-imaging.com in addition to at Ricoh Imaging-authorized stores for a producer’s prompt retail value of $1,399.95.

Important Options of the brand new HD PENTAX-DA★ 16-50mm F2.8ED PLM AW

New-generation Star-series lens, designed for optimum picture high quality

The most recent addition to the new-generation Star-series lenses — which gives the enormously improved resolving energy that can accommodate the super-high-performance digital cameras of the long run — this commonplace zoom lens compensates numerous aberrations to a minimal and delivers sharp, clear pictures, not solely in the midst of the picture area however on the edges. Incorporating one ED (Additional-low Dispersion) glass optical factor, one anomalous glass optical factor and two ED (Additional-low Dispersion) aspherical glass optical components, it successfully reduces chromatic aberration to a minimal over your entire zoom vary. Coupled with high-grade, multi-layer HD Coating,* which reduces the common reflectance within the seen ray spectrum to lower than 50% that of typical multi-layer coatings, it successfully minimizes flare and ghost pictures even in demanding lighting situations similar to backlighting.

This commonplace zoom lens delivers exceptionally excessive resolving energy and excellent distinction even at open aperture, whereas capturing stunning pictures with a easy transition of the bokeh (defocus) impact and a true-to-life depth of area. Since its most aperture is fastened at F2.8 over your entire focal-length vary from 16 to 50 millimeters (equal to 24.5mm to 76.5mm in 35mm format), this large-aperture zoom lens makes it a really perfect regular-use lens for the PENTAX Ok-3 Mark III.

* HD stands for Excessive Definition.

Excessive-speed AF system with a minimal focusing distance of 0.3 meters

This zoom lens incorporates a newly designed optical system which encompasses a lighter, extra compact focus-lens group. By driving this focus-lens group with a sophisticated PLM (Pulse Motor), it assures easy, high-speed autofocus operation with minimized operational noise. Due to the redesigned focus mechanism, it gives the minimal focusing distance of simply 0.3 meters, and the utmost magnification of 0.24 occasions, making this a flexible, regular-use lens for capturing all kinds of topics — from on a regular basis snapshots to close-ups and landscapes.

Electromagnetic diaphragm mechanism for high-precision diaphragm management

This zoom lens options an electromagnetic diaphragm management mechanism* to guarantee high- precision publicity management when utilized in mixture with appropriate digital SLR cameras. It additionally lets the person seize video clips utilizing computerized publicity management, even when there are appreciable variations in brightness through the video capturing. When mounted on a PENTAX Ok-3 Mark III, PENTAX KP or PENTAX Ok-70 digicam physique, the PLM (Pulse Motor) assures easy focus monitoring operation and flawless publicity management, whereas significantly lowering annoying noise generated by focus and diaphragm management operations throughout video capturing. It assures easy, worry-free video capturing in places susceptible to appreciable brightness modifications — similar to a stage with quickly altering lighting situations, or a forest with filtering sunrays — or with energetic, fast-moving topics similar to athletes or animals.

* The lens options the KAF4 mount and is appropriate with electromagnetic diaphragm management. Electromagnetic diaphragm management is accessible together with PENTAX Ok-3 Mark III, PENTAX Ok-3 II, PENTAX Ok-3, PENTAX KP, PENTAX Ok-70, PENTAX Ok-50, PENTAX Ok-S2, PENTAX Ok-S1, PENTAX Ok-1 Mark II or PENTAX Ok-1 digicam our bodies. We advise that customers improve the digicam’s firmware to the most recent model to correctly use electromagnetic diaphragm management. When mounted on a PENTAX Ok-1 Mark II or PENTAX Ok-1 digicam physique, pictures can solely be captured in Crop mode as a result of the lens picture circle is solely designed for the APS-C format.

Dustproof, weather-resistant development

Developed as an AW (All Climate) mannequin, this zoom lens encompasses a dustproof, weather- resistant development to forestall the intrusion of water and mud particles into the lens inside. By pairing it with a PENTAX dustproof, weather-resistant digital SLR digicam physique, the person can create a extremely sturdy, dependable digital imaging system that performs fantastically even in essentially the most demanding capturing situations — in rain or mist, or at places susceptible to splashing water.

HD Pentax-DA* 16-50mm F2.8 ED PLM AW specs

Principal specs
Lens sort Zoom lens
Max Format measurement APS-C / DX
Focal size 16–50 mm
Picture stabilization No
Lens mount Pentax KAF4
Aperture
Most aperture F2.8
Minimal aperture F22
Aperture ring No
Variety of diaphragm blades 9
Optics
Parts 16
Teams 10
Particular components / coatings ED + anomalous glass + aspherical components, HD coating
Focus
Minimal focus 0.30 m (11.81)
Most magnification 0.24×
Autofocus Sure
Motor sort Stepper motor
Full time handbook Sure
Focus methodology Inner
Distance scale No
DoF scale No
Focus distance limiter No
Bodily
Weight 712 g (1.57 lb)
Diameter 84 mm (3.31)
Size 117 mm (4.61)
Supplies Magnesium alloy
Sealing Sure
Color Black
Zoom methodology Rotary (extending)
Zoom lock No
Filter thread 77 mm
Hood product code PH-RBN77
Tripod collar No

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