Pentax 645Z vs Sony NEX-F3
49 Imaging
79 Features
74 Overall
77


86 Imaging
56 Features
60 Overall
57
Pentax 645Z vs Sony NEX-F3 Key Specs
(Full Review)
- 51MP - Medium format Sensor
- 3.2" Tilting Screen
- ISO 100 - 204800
- No Anti-Alias Filter
- 1920 x 1080 video
- Pentax 645AF2 Mount
- 1550g - 156 x 117 x 123mm
- Released April 2014
- Succeeded the Pentax 645D
(Full Review)
- 16MP - APS-C Sensor
- 3" Tilting Screen
- ISO 200 - 16000
- 1920 x 1080 video
- Sony E Mount
- 314g - 117 x 67 x 42mm
- Launched August 2012
- Old Model is Sony NEX-C3
- New Model is Sony NEX-3N

Pentax 645Z vs Sony NEX-F3 Overview
Following is a extended comparison of the Pentax 645Z vs Sony NEX-F3, former is a Pro DSLR while the latter is a Entry-Level Mirrorless by manufacturers Pentax and Sony. There exists a substantial gap among the sensor resolutions of the 645Z (51MP) and NEX-F3 (16MP) and the 645Z (Medium format) and NEX-F3 (APS-C) enjoy totally different sensor sizing.

The 645Z was announced 21 months after the NEX-F3 which makes the cameras a generation away from one another. Both cameras offer different body type with the Pentax 645Z being a Large SLR camera and the Sony NEX-F3 being a Rangefinder-style mirrorless camera.
Before delving through a in depth comparison, below is a brief summation of how the 645Z matches up versus the NEX-F3 with regard to portability, imaging, features and an overall score.

Pentax 645Z vs Sony NEX-F3 Gallery
The following is a preview of the gallery images for Pentax 645Z & Sony Alpha NEX-F3. The whole galleries are provided at Pentax 645Z Gallery & Sony NEX-F3 Gallery.
Reasons to pick Pentax 645Z over the Sony NEX-F3
645Z | NEX-F3 | |||
---|---|---|---|---|
Launched | April 2014 | ![]() | August 2012 | More modern by 21 months |
Screen sizing | 3.2" | ![]() | 3" | Bigger screen (+0.2") |
Screen resolution | 1037k | ![]() | 920k | Sharper screen (+117k dot) |
Reasons to pick Sony NEX-F3 over the Pentax 645Z
NEX-F3 | 645Z |
---|
Common features in the Pentax 645Z and Sony NEX-F3
645Z | NEX-F3 | |||
---|---|---|---|---|
Manual focus | ![]() | Dial accurate focus | ||
Screen type | Tilting | ![]() | Tilting | Tilting screen |
Selfie screen | ![]() | Lacking selfie screen | ||
Touch screen | ![]() | Lacking Touch screen |
Pentax 645Z vs Sony NEX-F3 Physical Comparison
For anyone who is aiming to carry around your camera regularly, you should take into account its weight and proportions. The Pentax 645Z features external dimensions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") with a weight of 1550 grams (3.42 lbs) and the Sony NEX-F3 has measurements of 117mm x 67mm x 42mm (4.6" x 2.6" x 1.7") and a weight of 314 grams (0.69 lbs).
Compare the Pentax 645Z vs Sony NEX-F3 in our brand new Camera & Lens Size Comparison Tool.
Do not forget, the weight of an ILC will change dependant on the lens you are working with at that moment. Following is the front view proportions comparison of the 645Z compared to the NEX-F3.

Factoring in dimensions and weight, the portability grade of the 645Z and NEX-F3 is 49 and 86 respectively.

Pentax 645Z vs Sony NEX-F3 Sensor Comparison
More often than not, it is very tough to envision the gap in sensor sizes only by going through technical specs. The picture below may provide you a greater sense of the sensor dimensions in the 645Z and NEX-F3.
As you can tell, both cameras offer different resolutions and different sensor sizes. The 645Z with its bigger sensor will make shooting bokeh easier and the Pentax 645Z will show greater detail with its extra 35MP. Higher resolution will make it easier to crop photographs a little more aggressively. The fresher 645Z will have an edge with regard to sensor technology.

Pentax 645Z vs Sony NEX-F3 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax 645Z vs Sony NEX-F3 Specifications
Pentax 645Z | Sony Alpha NEX-F3 | |
---|---|---|
General Information | ||
Manufacturer | Pentax | Sony |
Model | Pentax 645Z | Sony Alpha NEX-F3 |
Category | Pro DSLR | Entry-Level Mirrorless |
Released | 2014-04-15 | 2012-08-16 |
Body design | Large SLR | Rangefinder-style mirrorless |
Sensor Information | ||
Processor | PRIME III | Bionz |
Sensor type | CMOS | CMOS |
Sensor size | Medium format | APS-C |
Sensor dimensions | 44 x 33mm | 23.4 x 15.6mm |
Sensor surface area | 1,452.0mm² | 365.0mm² |
Sensor resolution | 51 megapixel | 16 megapixel |
Anti aliasing filter | ||
Aspect ratio | 4:3 | 3:2 and 16:9 |
Highest resolution | 8256 x 6192 | 4912 x 3264 |
Highest native ISO | 204800 | 16000 |
Minimum native ISO | 100 | 200 |
RAW data | ||
Autofocusing | ||
Focus manually | ||
Autofocus touch | ||
Continuous autofocus | ||
Single autofocus | ||
Autofocus tracking | ||
Selective autofocus | ||
Center weighted autofocus | ||
Autofocus multi area | ||
Autofocus live view | ||
Face detection autofocus | ||
Contract detection autofocus | ||
Phase detection autofocus | ||
Number of focus points | 27 | 25 |
Lens | ||
Lens mounting type | Pentax 645AF2 | Sony E |
Available lenses | 6 | 121 |
Focal length multiplier | 0.8 | 1.5 |
Screen | ||
Screen type | Tilting | Tilting |
Screen diagonal | 3.2 inch | 3 inch |
Screen resolution | 1,037 thousand dot | 920 thousand dot |
Selfie friendly | ||
Liveview | ||
Touch functionality | ||
Screen technology | - | TFT Xtra Fine LCD |
Viewfinder Information | ||
Viewfinder type | Optical (pentaprism) | Electronic (optional) |
Viewfinder coverage | 98% | - |
Viewfinder magnification | 0.85x | - |
Features | ||
Slowest shutter speed | 30 seconds | 30 seconds |
Maximum shutter speed | 1/4000 seconds | 1/4000 seconds |
Continuous shooting speed | 3.0fps | 6.0fps |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Set white balance | ||
Image stabilization | ||
Built-in flash | ||
Flash range | no built-in flash | - |
Flash settings | 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 | Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in |
Hot shoe | ||
AE bracketing | ||
White balance bracketing | ||
Maximum flash sync | 1/125 seconds | 1/160 seconds |
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Video resolutions | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p) | 1920 x 1080 (60, 24 fps), 1440 x 1080 (30 fps), 640 x 480 (30 fps) |
Highest video resolution | 1920x1080 | 1920x1080 |
Video format | MPEG-4, H.264 | MPEG-4, AVCHD |
Mic jack | ||
Headphone jack | ||
Connectivity | ||
Wireless | None | Eye-Fi Connected |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 3.0 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | Optional | None |
Physical | ||
Environmental seal | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 1550 gr (3.42 pounds) | 314 gr (0.69 pounds) |
Dimensions | 156 x 117 x 123mm (6.1" x 4.6" x 4.8") | 117 x 67 x 42mm (4.6" x 2.6" x 1.7") |
DXO scores | ||
DXO All around score | 101 | 73 |
DXO Color Depth score | 26.0 | 22.7 |
DXO Dynamic range score | 14.7 | 12.3 |
DXO Low light score | 4505 | 1114 |
Other | ||
Battery life | 650 pictures | 470 pictures |
Battery form | Battery Pack | Battery Pack |
Battery model | D-LI90 | NPFW50 |
Self timer | Yes (2 or 10 secs) | Yes (2 or 10 sec, 10 sec 3 or 5 images) |
Time lapse shooting | ||
Type of storage | Dual SD/SDHC/SDXC slots | SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo |
Storage slots | Two | 1 |
Cost at launch | $5,024 | $470 |