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Review Summary
2019-04-03T05:39:48
Not only is the sensor in this camera the same as a Phase One, Hasselblad or Fuji 50mp MF camera, it is robust, extremely water resistant, nice in the hand, easy to use, good AF but has a good variety of legacy glass, readily available. The big, big let-down with this camera is merely computer software. If you don't shoot tethered, you will absolutely love this thing, it really is lovely (comparing MF with MF that is, not 35mm). If you do shoot tethered, as I do, every day, it is a royal PIA! Capture One, it seems, will never support it for obvious reasons. Lightroom is really the only other feasible option but it is notoriously slow, unpredictable and offers a serious hair-pulling experience. The native Pentax capture software, I believe, has to be purchased separately at a significant price. I love this camera, but I want to sell it, purely for the lack of tethering support. I don't think Pentax really understand what they have made. It could have been a proper game-changer.
Dan S.
2018-07-23T22:47:51
This is a bomb camera. I wanted one for a few years before finally pulling the trigger. Previously, I had a D810 and a pretty full kit (24-70, 70-200, and 35/50/85 primes) which gave me plenty of resolution and speed but I always had the 645Z on my mind. I didn’t sell my kit because I still had a perceived use for a faster DSLR which the 645 doesn’t really satisfy but for everything else, it KILLS. Images are outstanding. You wouldn’t think that you could improve upon the higher resolution DSLRs when you haven’t seen evidence for yourself but the images have a different quality. The camera is a joy to shoot with. Even with its size it’s really fun and makes you feel more thoughtful about what your shooting. The only drawback, again, is that it doesn’t have that lightning fast and zippy autofocus the sports cameras tend to have but zero regrets with this purchase.
SEAN L.
2016-09-06T06:52:46
The gap in capabilities between the 35mm format and the 645z's cropped 645 format isn't huge, but it does make a difference. The larger format needs both longer focal lengths and less final magnification to produce an equivalent image as with a 35mm format. The result is that the depth of field is thinner, but the focus plane is sharper. That combination can be subtly very pleasing in a lot of situations. I very rarely need the 50 megapixels, but the other attributes of medium format are useful to any photographer. The tremendous dynamic range and rich tonality of the 645z's sensor makes it a joy for landscapes and portraits. The autofocus is solid, but manual focus with live view magnification is the best way to nail perfect focus with static subjects. The weather sealing is a nice touch too. The large secondary market of well-kept 645 lenses from Japan makes it surprisingly easy to expand your lens library too. Almost nobody needs this camera, but I'm really glad I have it.
Michael S.
2015-11-18T05:54:46
Let me first say that this camera produces absolutely amazing images. With that said, is this camera for everyone? No way! but what Pentax has done is given photographers a viable option for medium format. The quality and value of the Pentax system is undeniable, especially compared to its peers. I'll leave the arguing about what system/sensor is better to the forum trolls. (If you have any doubt, rent one and make your own conclusions) The 645Z is the camera I've always dreamed of owning and now I do. Luscious files, great handling and an incredible value.
ANDREW F.
2015-03-30T21:00:00
I'm mainly a landscape shooter. This is my first digital medium format camera and I couldn't be happier. Dynamic range is excellent and weather sealing makes it a go anytime camera. For those rare times I'm not on a tripod, the high ISO performance means I can easily stay at shutter speeds that eliminate shake. With an adapter I can use my 67 lenses, which are still pretty inexpensive.
John
2014-11-05T19:00:00
The quality and build of this camera is amazing, the resolution and dynamic range are also something incredible. The only thing I have to complain about is the auto gain on the live view that can not be turned off, hopefully they will fix that in a firmware update
VICTOR W.
2014-10-08T21:00:00
I bought the Pentax 645Z on Adorama about 18 days ago. And I took the camera to Vancouver this past weekend to shoot the Seaplanes on the Bay downtown. I have also owned the Pentax 645D. The biggest improvement over the 645D is that the 645Z reads to the card much faster. After you take a photo with the 645Z, you can see the image on the screen on the back of the camera a lot quicker than you could with the 645D. This gives you quick feedback to let you know if you need to make adjustments before you take your next shots. In this regard, the 645D was slow to show you the image. And the new 645Z shows you the image fast. The image quality on the 645Z is amazing with a strong 3D look that you only get from a large medium format sensor. I can see the difference in image quality and the 3D look on the 645Z verses the 645D. The new 645Z takes a better quality photo. The larger sensor really shows a difference. I would recommend setting the 645Z (and the 645D) to autofocus just usually the AF button on the back of the camera and not using the shutter button for the autofocus. You can change this easily. See the manual. This allows you to set the focus on what you want and then compose the photo. And when you hit the shutter button, it does not reset the focus. It leaves the focus set on the object that you set it on when you earlier hit the AF button on the back of the camera. I love my new 645Z. It is a big improvement over the 645D that I used to own. On both the 645Z and the 645D, I used the 55MM weather sealed lens. The 645D is still a good camera. It is just slow to show you the image on the back of the camera after you take a shot. But the new low $4995 price is a bargain for the quality images the 645D can produce. The 645D is good. But the 645Z is great.
Tom L.
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Distortion Correction, Lateral Chromatic Aberration Correction, Peripheral Illumination Correction, Diffraction Correction
TTL autofocus, auto-exposure medium format digital SLR camera
CCD with primary color filter
Size: 43.8 x 32.8 (mm)
Color depth: 8 bits/channel JPG, 14 bits/channel RAW
Effective pixels: 51.40 MP
Total pixels: 52.99 MP
JPEG: L (51M: 8256 x 6192), M (36M: 6912 x 5184), S (21M: 5376 x 4032), XS (3M: 1920 x 1440)
RAW: L (51M: 8256 x 6192)
TIFF: L (51M: 8256 x 6192)
JPEG: (Best), (Better), (Good),
RAW + JPEG simultaneous recording available, RAW (14-bit): PEF, DNG
Full HD (1920x1080, 60i/50i/30p/25p/24p), HD (1280x720, 60p/50p/30p/25p/24p)
Image sensor cleaning using ultrasonic vibrations "DR II" with the Dust Alert function
Still: RAW (PEF/DNG), JPEG (Conforms to Exif 2.21)
Conforms to DCF (Design rule of Camera File system) 2.0
Type/construction: PENTAX 645AF2 mount with AF coupler, lens information contacts, and power contacts (stainless steel)
Usable lenses: PENTAX 645AF2, 645AF and 645A mount lenses (PENTAX 67 medium format lenses useable with adapter), SDM function: Yes
Type: SAFOX 11 TTL phase-matching autofocus with 27 AF points (25 cross type focus points in the center)
AF modes: Single AF (AF.S), Continuous AF (AF.C), Focus operation customizable, Manual
Focus Area Selection Modes: Spot, Select, Expanded Area AF (S, M, L), Zone Select, Auto (27 AF Points)
Brightness Range: EV -3 to 18 (ISO 100, at normal temperature)
Type: Keplerian telescopic trapezoid prism finder
Coverage (field of view): Approx. 98%
Magnification: Approx. 0.62 x (55mmF2.8 at infinity), Approx. 0.85 x (75mmF2.8 at infinity)
Standard focusing screen: Interchangeable Natural-Bright-Matte focusing screen
Diopter adjustment: Approx. -3.5 m to + 2.0 m-1
Depth of field preview: Optical (diaphragm stop-down), Digital
Eye-relief length: Approx. 21 mm (from view window), Approx 24.1 mm (from center of of lens)
Type: 3.2" Tiltable TFT color LCD monitor featuring an air-gapless structure with an AR-coated, tempered-glass front panel and brightness/saturation/color adjustments
Resolution: Approx. 1037K dots
Wide angle viewable: Yes
Type: TTL using CMOS image sensor
Field Of View: approx.100%
Display Modes: Magnified view (2x, 4x, 8x, 12x, 16x), Grid Display (Grid Style: 4x4 Grid, Golden Section, Scale, Square 1, Square 2, Grid Color: translucent black, translucent white), Histogram, Highlight Alert, Rotate Display 180½
Autofocus: Contrast detection AF (Face Detection, Tracking, Multiple AF Points, Select, Spot), Focus Peaking: ON/OFF
Type: Hotshoe (P-TTL), high speed sync and wireless w PENTAX dedicated flash, X-Sync Socket
Flash Modes: Flash On, Flash On+Red-eye Reduction, Slow-speed Sync, Slow-speed Sync+Red-eye, P-TTL, Trailing Curtain Sync, contrast-control-sync, high-speed sync, wireless sync (available with a dedicated external flash)
Flash exposure compensation: -2 to +1 EV (1/2 steps)
Synchronization speed: 1/125 sec
Removable memory: SD, SDHC*, SDXC* memory card, Eye-Fi card, FLUCARD *UHS-I compatible
Dual Card Slot: Sequential save, Save to Both Dual save, Separate RAW/JPG, Copying images between slots possible
Connection Ports: USB 3.0 (micro B), external power supply terminal, cable switch terminal, X-sync socket, HDMI output terminal (Type D), stereo microphone input terminal (USB Connection: MSC/PTP)
Video out: HD (via HDMI), NTSC, PAL
Battery Type: Rechargeable Li-Ion battery D-LI90
Number of recordable images: Approx. 650
Playback time: Approx. 400 min
Movie recording time: Up to 25 minutes; automatically stops recording if the internal temperature of the camera becomes high.
AC adapter available: AC Adapter Kit K-AC132 (Optional
Body dimensions (W x H x D): 6.14in x 4.6in x 4.84in (excluding protrusions)
Body weight: Approx. 54.67oz (including battery and memory card)
Body only: Approx. 51.85oz
Construction material(s): Magnesium alloy shell over aluminum chassis
Weather resistant: Yes (76 special seals)
Operating temperature: 14-104½F (-10 to 40½C)
English, French, Germany, Spanish, Portuguese, Italian, Dutch, Danish, Swedish, Finnish, Polish, Czech, Hungarian, Turkish, Greek, Russian, Korean, Traditional Chinese, Simplified Chinese, Japanese
Type: Lens-shift type (When using SR system lens)
Type: TTL open aperture metering using 86K pixel RGB sensor
Sensitivity range: EV -1 to 21 (ISO100 at 55mmF2.8)
Metering Modes: Multi-segment metering, Center-weighted metering, Spot metering
Exposure compensation: +/-5 EV (1/3 EV steps or 1/2 EV steps can be selected)
AE Lock: Button type (timer-control: two times the meter operating time set in Custom Setting), Continuous as long as the shutter release button is depressed halfway
Exposure bracketing: 2, 3 or 5 frames
ISO AUTO/100 to 204800 (EV steps can be set to 1EV, 1/2EV, or 1/3EV)
Type: system combining CMOS image and light source detection sensors
Auto, Multi Auto, Daylight, Shade, Cloudy, Fluorescent Light (D: Daylight Color, N: Daylight White, W: Cool White, L: Warm White), Tungsten, Flash, CTE
Manual mode(s): Manual (up to 3 settings can be saved), Color Temperature (up to 3 settings can be saved), Copying the white balance settings of a captured image possible
Type: Electronically controlled vertical-run focal plane shutter
Shutter speed: Auto: 1/4000 to 30 sec., Manual: 1/4000 to 30 sec. (1/3 EV steps or 1/2 EV steps), Bulb
Program, Sensitivity Priority, Shutter Priority, Aperture Priority, Shutter & Aperture Priority, Manual, Bulb, Flash X-sync Speed, USER1, USER2, USER3
Bright, Natural, Portrait, Landscape, Vibrant, Radiant, Muted, Bleach Bypass, Reversal Film, Monochrome, Cross Processing (Random, Preset 1-3, Favorite 1-3)
Auto, Type1, Type2, Type3, Exposure Bracket Value adjustable, Auto Align (automatic composition correction function) available
Slow Shutter Speed NR, High-ISO NR
Highlight Correction, Shadow Correction
Displayed in viewfinder and LCD panel (horizontal direction only); displayed on LCD monitor (horizontal direction and vertical direction)
Mode selection: Stills: Single Frame, Continuous (H, L), Self-timer (12 sec., 2sec.), Remote Control (immediately, 3 sec., continuous), Multi-exposure (available with Continuous, Self-timer or Remote Control), Interval Shooting, Interval Composite
Movie: Remote Control, Interval Movie Record
Multi-exposure: Composite Mode (Additive/Average/Bright) Number of Shots (2 to 2000 images), Interval 2000 shots, 2 sec to 24 hrs, time delay available)
*Continuous shooting: Max approx. 3 fps, JPEG ( L: ??? at Continuous H): up to approx. 30 frames, RAW: up to approx. 10 frames, TIFF: up to approx. 12
*Continuous shooting: Max. approx. 1 fps, JPEG (L: ??? at Continuous L): up to approx. 300 frames, RAW: up to approx. 25 frames, TIFF: up to approx. 15
*When the sensitivity is set to ISO100
Self-timer: Yes (12s, 2s)
Remote control: Yes,
Still: RAW (PEF/DNG), TIFF, JPEG (Exif 2.30), DCF2.0 compliant
Movie: MPEG-4 AVC/H.264 (MOV) *Motion JPEG (AVI) for Interval Movie Record
29 available
Windows: Windows 8.1 (32 bit/64 bit) / Windows 8 (32 bit/64 bit) / Windows 7 (32 bit/64 bit) / Windows Vista (32 bit/64 bit), Intel Core 2 Quad or higher, 4GB or more
Mac: Mac OS X 10.9 /10.8 / 10.7 / 10.6, Intel Core 2 Quad or higher, 4GB or more
We got a sneak peak at the new as yet unnamed Pentax full-frame DSLR. Check it out!
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For Professionals and Spoiled Hobbyists
By Michael S.
The gap in capabilities between the 35mm format and the 645z's cropped 645 format isn't huge, but it does make a difference. The larger format needs both longer focal lengths and less final magnification to produce an equivalent image as with a 35mm format. The result is that the depth of field is thinner, but the focus plane is sharper. That combination can be subtly very pleasing in a lot of situations. I very rarely need the 50 megapixels, but the other attributes of medium format are ...
View full Review
the 645Z is great
By Tom L.
I bought the Pentax 645Z on Adorama about 18 days ago. And I took the camera to Vancouver this past weekend to shoot the Seaplanes on the Bay downtown. I have also owned the Pentax 645D. The biggest improvement over the 645D is that the 645Z reads to the card much faster. After you take a photo with the 645Z, you can see the image on the screen on the back of the camera a lot quicker than you could with the 645D. This gives you quick feedback to let you know if you need to make adjustments b...
View full Review
The medium format CMOS image sensor meets the ideals of the photographer looking to capture in highest definition. This sensor is approximately 1.7 times larger compared to the dimension of a full-frame 35 mm format. The effective pixels are approximately 51.4 million. Together with the optical performance of PENTAX 645 lenses, this produces unsurpassed resolution and smooth gradation representations and the three-dimensional feeling and atmosphere that will overwhelm the viewers.
Exceptional image quality with 51.4 million pixels and quick response that lets you capture decisive moments. Because Auto Focus, image processing, Instant Review display, and writing to the memory card have been enhanced, you will experience significantly faster operation. The number of continuous shooting has also increased for a comfortable shooting tempo when capturing portraits and moving subjects.hj
The Live View function is new to the PENTAX 645Z, freeing the photographer's eye from the viewfinder. With this feature you can carefully prepare for the shooting, making it perfect for scenic photography or studio photography where you need to wait for the right moment to activate the shutter. The screen on the PENTAX 645Z is also equipped with a tilt mechanism so waist-level, high and low-angle shots are easy to frame and capture.