Ricoh adds HD Pentax-DA645 28-45mm F4.5ED AW SR to medium format lens lineup
Ricoh adds a new lens to its 645 medium format lineup, the weather-resistant HD Pentax-DA645 28-45mm F4.5ED AW SR. Covering a 22-35.5mm equivalent range in full-frame terms, it uses 17 elements in 12 groups. It's Pentax's first optically stabilized zoom lens, with SR Shake Reduction technology that claims to compensate for camera shake for an additional 3.5 stops. The lens is dust- and weather-resistant, becoming available in August for a price of $4,999.95/£3,399.99.
Ricoh Imaging Expands Pentax 645 Lens Line-up
HD PENTAX-DA645 28-45mmF4.5ED AW SR: An ultra-wide-angle zoom lens engineered to elevate the optical execution of the PENTAX 645 Medium Format Digital Cameras
Denver, Colorado August 4, 2014 Today, RICOH IMAGING AMERICAS CORPORATION announces the addition of the HD PENTAX DA645 28-45mmF4.5ED AW SR to the 645 interchangeable lens series. This ultra-wide-angle zoom lens is the latest in the PENTAX 645 line-up and is engineered for use with PENTAX medium-format, digital SLR cameras. Now Pentax 645 medium-format shooters will have a new high-quality lens to expand their distinct format shooting.
This new lens provides focal lengths from 22mm to 35.5mm in the 35mm format, and is the first ultra-wide-angle zoom lens (approximately 1.6X zoom ratio) designed for use with our medium-format digital cameras. Its optics consists of 17 elements in 12 groups, including two high-performance aspherical elements and two extra-low dispersion elements. In addition, the PENTAX-innovated SR (Shake Reduction) mechanism has been incorporated into this exceptional lens, which effectively compensates for camera shake up to approximately 3.5 shutter stops.
Advanced, multi-layer, HD lens coatings are applied to optimize light transmission and minimize reflection. Paired with this with the PENTAX-exclusive, high grade Aero Bright Coating, this lens delivers the dynamic, super-high-resolution images that are only made possible by medium-format digital SLR cameras.
Eleven special seals are used to effectively prevent the penetration of dust and water into the lens interior offering superior dependability and durability under a wide variety of shooting condition empowering the photographer to capture various images ranging from those inside the studio to sweeping landscapes without concern.
'With the rapid adoption of the PENTAX 645Z, it is essential that we continue to address the needs of the professional photographer by providing premier lens choices. The launch of the PENTAX 28-45 mm lens reinforces our commitment to the future of medium-format photography' said Jim Malcolm, Executive Vice President, Ricoh Imaging Americas Corporation.
Pricing and Availability
The HD PENTAX-DA645 28-45mmF4.5ED AW SR lens will be available at retailers nationwide and at www.us.ricoh-imaging.com in August 2014 for a suggested retail price of $4999.95
To learn more about the comprehensive lineup of Pentax products as well as other Ricoh Imaging products, please visit www.us.ricoh-imaging.com.
HD Pentax-DA645 28-45mm F4.5ED AW SR specifications
|Lens type||Prime lens|
|Max Format size||Medium Format (645)|
|Focal length||28–45 mm|
|Image stabilization||Yes (3.5 stops)|
|Lens mount||Pentax 645AF2|
|Number of diaphragm blades||9|
|Aperture notes||Rounded blades|
|Special elements / coatings||HD and Aero Bright coatings|
|Minimum focus||0.40 m (15.75″)|
|Full time manual||Yes|
|Weight||1470 g (3.24 lb)|
|Diameter||99 mm (3.9″)|
|Length||152 mm (5.98″)|
|Zoom method||Rotary (internal)|
|Filter thread||82.0 mm|
|Hood product code||38709|
Jun 26, 2017
Dec 9, 2015
Dec 1, 2015
Oct 27, 2015
|Hook Head Lighthouse by kroker|
from Best Photo of the Week
|Green turtle in the shallows by gcachon|
Canon went and put an APS-C sensor in a G series compact. The result is a mighty tempting camera for travel.
Google Photos is adding a few pet-friendly features that will make it easier to find photos of your favorite pooch. Now, you can organize your pet photos by facial recognition, and you can even search your library by breed.
Colorful tripod maker MeFOTO has launched a new tripod... and a whole new brand name. Meet the GlobeTrotter travel video tripod, the first product to be released under the MeVIDEO brand.
If you own a Moto Z, you'll soon be able to attach a Polaroid instant printer to it. Check out the unreleased Moto Mod, which was leaked earlier today.
DJI has developed a technology called AeroScope that allows law enforcement to identify and track airborne drones that are breaking UAV regulations, while simultaneously addressing privacy concerns.
The Nikon D850 is a 45.7MP full-frame DSLR with an autofocus system lifted wholesale from the pro-sports focused D5. 4K capture, continuous shooting at 7 or 9 frames per second make it sound like the ultimate all rounder. Is it all that these specs suggest?
The Mate 10's Kirin 970 chipset with integrated AI processing allows for object recognition, motion detection and automatic scene selection in the camera app.
DxO has announced version 3.0 of the iOS app for its 'One' connected camera. It adds support for multi-camera Facebook Live broadcasting and both time-lapse still and video capture. Android users will be pleased to hear that a One for their platform is on the way, as well. Several new accessories are available, including a battery pack.
Canon has introduced the PowerShot G1 X Mark III, which borrows the 24MP APS-C sensor and Dual Pixel AF system from the company's recent mirrorless and DSLR cameras, adds a 24-72mm equiv., F2.8-5.6 lens and puts them into a lightweight body – but it'll cost you quite a bit.
It's not often that we see a genuinely interesting compact camera, and the Canon PowerShot G1 X Mark III is one such beast. We've pulled out the top features of the camera and tell you why they matter – and put the Mark III up against the competition.
Apple's HDR effect in the iPhone 8 Plus is on by default and more aggressive than in previous generations. It's also good enough to convince DPR contributor Jeff Carlson to leave it on all the time.
Canon's 28mm F2.8 IS USM may be small in size, but it's big on fun. We wrote about our experience using it as our only lens in Big Sur, California, but in case you missed out on our full gallery, take a look to see what this little lens can do.
Travel photographer Elia Locardi tells the story behind this gorgeous (and rare) panorama of the Dubai cityscape draped in fog.
Bison, drift cars, horseback riders, antelope – from the beach to the race track, the Sony 100-400mm G Master is one versatile piece of kit.
"Wildlife photography in Yellowstone National Park is an incredible opportunity, yet some bad photographers are giving all photographers a bad name by not following the rules."
Casio's bionic-looking new action camera, the GZE-1, is built with extreme sports in mind. The little camera is drop-proof, freeze-proof, dust-proof, and waterproof to 50 meters.
Yashica recently released the digiFilm Y35: a camera that tries to simulate the "experience" of shooting film... and it's just the worst.
Western Digital has revealed some interesting new technology that, it claims, will allow them to develop 40TB hard drives by the year 2025.
Photographer Micael Widell wanted to see just how affordable it could possibly be to get into digital photography—so he bought a full DSLR kit with battery grip and 50mm lens on eBay for just $80.
Confused about DxOMark's scoring system? This straightforward video by Marques Brownlee breaks down how DxO gets its scores, and why you should always look beyond that "overall" number.
It's not exactly a revolutionary device, but the iPhone 8 Plus does promise some evolutionary updates in the camera department. DPR contributor Jeff Carlson has been putting the 8 Plus to the test in some everyday shooting situations – take a look at how it fared.
This week in Hollywood, DJI introduced its new Zenmuse X7 camera, a Super 35 format cinema camera of its own design that can also capture 24MP still images in APS-C format. Is it time to start thinking of DJI as a camera company?
Landscape and astrophotographer Asif Islam shot a series of timelapses starting in Los Angeles and getting farther and farther away, showing how the Milky Way emerges as the light pollution fades.
Ultraviolet photography is something that relatively few photographers explore, but it’s a fascinating realm to explore with less of an investment in equipment than most people think.
After almost fifteen years of nearly buying one, Barney recently found a working Canon PowerShot G5 in his local thrift shop. It must be Throwback Thursday.
DJI has launched the Zenmuse X7, a Raw video capable Super 35 camera module. The camera/gimbal system which mounts to the company's drones features a new, proprietary lens mount.
Windowed is a free app that lets you upload photos to Instagram straight from your Mac or PC—no tablet, smartphone, or complicated workaround required.
Nikon has published a list lenses that it deems worthy of its newest DSLR: the 45.7MP Nikon D850.
The Nikon D850 isn't the first camera to hit triple digits on DxOMark; in fact, the Pentax 645Z was listed at 101 all the way back in 2015. So why was the full review never published? DxOMark explained earlier today.
Due to 'slower-than-expected development of the VR market,' Nokia has decided to pull the plug on its $25K Ozo VR camera while it restructures the company and sheds as many as 310 jobs.