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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 Evaluate


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 scale back ghosting and flaring. Ricoh Imaging says the lens is ‘dustproof’ and ‘weather-resistant’ when paired with an accompanying weatherproof Pentax DSLR digital camera 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 may change to MF for those who rotate the main focus ring after locking focus by half-pressing the digital camera’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.

Nonetheless, this electromagnetic diaphragm management solely works when utilizing cameras that assist the most recent KAF4 mount specs (a full checklist of appropriate cameras could be discovered within the press launch, embedded under). When used on full-frame Pentax Ok-mount DSLR digital camera techniques, the digital camera 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 about to retail for $1,400 when it turns into out there 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 customary zoom lens is newest addition to new era, high-performance PENTAX Star sequence

PARSIPPANY, NJ, July 14, 2021 – Ricoh Imaging Americas Company in the present day introduced the HD PENTAX-DA★ 16-50mm F2.8ED PLM AW lens, the most recent addition to the brand new era PENTAX Star (★) lens sequence. 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 huge-aperture customary zoom lens options an open aperture of F2.8 over the whole 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 clean, high-speed, high-precision autofocus (AF) operation with minimized noise. The lens has been fine-tuned for larger operability in manual-focus operation and features a quick-shift focus system to supply an instantaneous shift from AF to handbook. It supplies a minimal focusing distance of just below 12 inches and a most magnification of 0.24x. This new customary zoom lens permits customers to completely benefit from the means of pictures in response to their very own preferences and can be utilized in a wide range of functions 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 clean focus monitoring when utilized in mixture with appropriate digital SLR cameras. The mechanism additionally allows the seize of video clips utilizing computerized publicity management, even when there are appreciable variations in brightness when taking pictures.

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

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

Pricing and Availability

The HD PENTAX-DA★ 16-50mm F2.8ED PLM AW lens might be out there August 2021 at in addition to at Ricoh Imaging-authorized stores for a producer’s prompt retail worth of $1,399.95.

Major 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 newest addition to the new-generation Star-series lenses — which supplies the enormously improved resolving energy that may accommodate the super-high-performance digital cameras of the long run — this customary zoom lens compensates varied aberrations to a minimal and delivers sharp, clear photographs, not solely in the course of the picture discipline 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 the whole zoom vary. Coupled with high-grade, multi-layer HD Coating,* which reduces the typical reflectance within the seen ray spectrum to lower than 50% that of standard multi-layer coatings, it successfully minimizes flare and ghost photographs even in demanding lighting circumstances comparable to backlighting.

This customary zoom lens delivers exceptionally excessive resolving energy and excellent distinction even at open aperture, whereas capturing lovely photographs with a clean transition of the bokeh (defocus) impact and a true-to-life depth of discipline. Since its most aperture is mounted at F2.8 over the whole 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 great 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 includes a lighter, extra compact focus-lens group. By driving this focus-lens group with a sophisticated PLM (Pulse Motor), it assures clean, high-speed autofocus operation with minimized operational noise. Due to the redesigned focus mechanism, it supplies the minimal focusing distance of simply 0.3 meters, and the utmost magnification of 0.24 instances, making this a flexible, regular-use lens for capturing all varieties 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 in the course of the video taking pictures. When mounted on a PENTAX Ok-3 Mark III, PENTAX KP or PENTAX Ok-70 digital camera physique, the PLM (Pulse Motor) assures clean focus monitoring operation and flawless publicity management, whereas significantly decreasing annoying noise generated by focus and diaphragm management operations throughout video taking pictures. It assures clean, worry-free video taking pictures in areas susceptible to appreciable brightness modifications — comparable to a stage with quickly altering lighting circumstances, or a forest with filtering sunrays — or with energetic, fast-moving topics comparable to athletes or animals.

* The lens options the KAF4 mount and is appropriate with electromagnetic diaphragm management. Electromagnetic diaphragm management is obtainable 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 digital camera our bodies. We advise that customers improve the digital camera’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 digital camera physique, photographs can solely be captured in Crop mode as a result of the lens picture circle is completely designed for the APS-C format.

Dustproof, weather-resistant building

Developed as an AW (All Climate) mannequin, this zoom lens includes a dustproof, weather- resistant building to stop the intrusion of water and mud particles into the lens inside. By pairing it with a PENTAX dustproof, weather-resistant digital SLR digital camera physique, the person can create a extremely sturdy, dependable digital imaging system that performs beautifully even in essentially the most demanding taking pictures circumstances — in rain or mist, or at areas susceptible to splashing water.

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

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


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