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 provides a 24.5-76.5mm full-frame equiv. focal size and is constructed of 16 parts in 10 teams, together with one extra-low dispersion (ED) ingredient, one anomalous dispersion optical ingredient, two ED aspherical parts 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 may swap to MF should you 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.
Nonetheless, this electromagnetic diaphragm management solely works when utilizing cameras that help the most recent KAF4 mount specs (a full record of appropriate cameras could be discovered within the press launch, embedded beneath). 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 about to retail for $1,400 when it turns into obtainable in August 2021 at Ricoh Imaging’s web site and approved retailers.
Ricoh proclaims HD PENTAX-DA★ 16-50mm F2.8ED PLM AW for Ok-mount digital SLR cameras
Massive-aperture normal zoom lens is newest addition to new era, high-performance PENTAX Star sequence
PARSIPPANY, NJ, July 14, 2021 – Ricoh Imaging Americas Company at the moment 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 massive-aperture normal zoom lens options an open aperture of F2.8 over all the 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 complicated pulse motor (PLM) to guarantee easy, 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 offer an instantaneous shift from AF to handbook. It offers a minimal focusing distance of just below 12 inches and a most magnification of 0.24x. This new normal zoom lens permits customers to completely benefit from the strategy of pictures 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 automated publicity management, even when there are appreciable variations in brightness when capturing.
The lens has been designed to offer sharp, clear pictures freed from flare and ghost pictures, even underneath demanding circumstances like backlight. It includes a nine-blade round diaphragm to supply a pure, stunning bokeh (defocus) impact even at open aperture. It has been handled with the PENTAX-original HD coating, which assures a lot larger mild transmittance than standard multi-layer coatings.
The brand new AW (All Climate) lens options dustproof, weather-resistant development to stop the intrusion of water and dirt 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 beautifully in demanding capturing settings — even in rain or mist, or at places vulnerable to water splashes or spray.
Pricing and Availability
The HD PENTAX-DA★ 16-50mm F2.8ED PLM AW lens might be obtainable August 2021 at www.us.ricoh-imaging.com in addition to at Ricoh Imaging-authorized shops for a producer’s prompt retail worth of $1,399.95.
Predominant 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 offers the vastly improved resolving energy that may accommodate the super-high-performance digital cameras of the long run — this normal zoom lens compensates varied aberrations to a minimal and delivers sharp, clear pictures, not solely in the midst of the picture subject however on the edges. Incorporating one ED (Additional-low Dispersion) glass optical ingredient, one anomalous glass optical ingredient and two ED (Additional-low Dispersion) aspherical glass optical parts, it successfully reduces chromatic aberration to a minimal over all the 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 pictures even in demanding lighting circumstances reminiscent of backlighting.
This normal 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 subject. Since its most aperture is mounted at F2.8 over all the 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 includes a lighter, extra compact focus-lens group. By driving this focus-lens group with a complicated PLM (Pulse Motor), it assures easy, high-speed autofocus operation with minimized operational noise. Due to the redesigned focus mechanism, it offers 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 forms 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 consumer seize video clips utilizing automated 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 decreasing annoying noise generated by focus and diaphragm management operations throughout video capturing. It assures easy, worry-free video capturing in places vulnerable to appreciable brightness modifications — reminiscent of a stage with quickly altering lighting circumstances, or a forest with filtering sunrays — or with lively, fast-moving topics reminiscent of athletes or animals.
* The lens options the KAF4 mount and is appropriate with electromagnetic diaphragm management. Electromagnetic diaphragm management is out there 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 includes a dustproof, weather- resistant development to stop the intrusion of water and dirt particles into the lens inside. By pairing it with a PENTAX dustproof, weather-resistant digital SLR digicam physique, the consumer can create a extremely sturdy, dependable digital imaging system that performs beautifully even in essentially the most demanding capturing circumstances — in rain or mist, or at places vulnerable to splashing water.
HD Pentax-DA* 16-50mm F2.8 ED PLM AW specs
|Lens sort||Zoom lens|
|Max Format measurement||APS-C / DX|
|Focal size||16–50 mm|
|Lens mount||Pentax KAF4|
|Variety of diaphragm blades||9|
|Particular parts / coatings||ED + anomalous glass + aspherical parts, HD coating|
|Minimal focus||0.30 m (11.81″)|
|Motor sort||Stepper motor|
|Full time handbook||Sure|
|Focus distance limiter||No|
|Weight||712 g (1.57 lb)|
|Diameter||84 mm (3.31″)|
|Size||117 mm (4.61″)|
|Zoom methodology||Rotary (extending)|
|Filter thread||77 mm|
|Hood product code||PH-RBN77|