Pentax 645D vs Pentax K100D S
50 Imaging
76 Features
52 Overall
66
65 Imaging
45 Features
38 Overall
42
Pentax 645D vs Pentax K100D S Key Specs
(Full Review)
- 40MP - Medium format Sensor
- 3" Fixed Display
- ISO 200 - 1600
- No Anti-Alias Filter
- No Video
- Pentax 645AF2 Mount
- 1480g - 156 x 117 x 119mm
- Revealed March 2010
- Replacement is Pentax 645Z
(Full Review)
- 6MP - APS-C Sensor
- 2.5" Fixed Screen
- ISO 200 - 3200
- Sensor based Image Stabilization
- No Video
- Pentax KAF2 Mount
- 646g - 129 x 91 x 71mm
- Released June 2007
- Old Model is Pentax K100D
- New Model is Pentax K200D
Pentax 645D vs Pentax K100D S Overview
Here, we will be analyzing the Pentax 645D vs Pentax K100D S, former is a Pro DSLR while the latter is a Entry-Level DSLR and both of them are offered by Pentax. There exists a considerable gap among the image resolutions of the 645D (40MP) and K100D S (6MP) and the 645D (Medium format) and K100D S (APS-C) have totally different sensor size.
Photobucket discusses licensing 13 billion images with AI firmsThe 645D was unveiled 2 years after the K100D S which is a fairly large difference as far as camera technology is concerned. Both the cameras feature different body design with the Pentax 645D being a Large SLR camera and the Pentax K100D S being a Compact SLR camera.
Before diving straight to a in-depth comparison, here is a short summation of how the 645D matches up against the K100D S for portability, imaging, features and an overall score.
Pentax 645D vs Pentax K100D S Gallery
Following is a preview of the gallery photos for Pentax 645D & Pentax K100D Super. The full galleries are available at Pentax 645D Gallery & Pentax K100D S Gallery.
Reasons to pick Pentax 645D over the Pentax K100D S
645D | K100D S | |||
---|---|---|---|---|
Released | March 2010 | June 2007 | More modern by 33 months | |
Screen size | 3" | 2.5" | Bigger screen (+0.5") | |
Screen resolution | 921k | 210k | Crisper screen (+711k dot) |
Reasons to pick Pentax K100D S over the Pentax 645D
K100D S | 645D |
---|
Common features in the Pentax 645D and Pentax K100D S
645D | K100D S | |||
---|---|---|---|---|
Manually focus | Very accurate focus | |||
Screen type | Fixed | Fixed | Fixed screen | |
Selfie screen | Neither has selfie screen | |||
Touch friendly screen | Lack of Touch friendly screen |
Pentax 645D vs Pentax K100D S Physical Comparison
If you are going to carry around your camera, you will have to factor its weight and dimensions. The Pentax 645D has outside dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") with a weight of 1480 grams (3.26 lbs) while the Pentax K100D S has dimensions of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") having a weight of 646 grams (1.42 lbs).
Analyze the Pentax 645D vs Pentax K100D S in our completely new Camera & Lens Size Comparison Tool.Remember that, the weight of an ILC will vary dependant on the lens you have attached at that moment. Here is a front view measurement comparison of the 645D against the K100D S.
Taking into account dimensions and weight, the portability score of the 645D and K100D S is 50 and 65 respectively.
Pentax 645D vs Pentax K100D S Sensor Comparison
Quite often, its difficult to see the gap in sensor sizes only by researching specs. The image here will give you a clearer sense of the sensor dimensions in the 645D and K100D S.
As you can plainly see, both of the cameras feature different megapixels and different sensor sizes. The 645D using its bigger sensor will make achieving shallower DOF less difficult and the Pentax 645D will provide you with more detail having an extra 34MP. Higher resolution can also help you crop pictures way more aggressively. The fresher 645D is going to have an edge with regard to sensor tech.
Pentax 645D vs Pentax K100D S Screen and ViewFinder
Photography Type Scores
Portrait Comparison
Street Comparison
Sports Comparison
Travel Comparison
Landscape Comparison
Vlogging Comparison
Pentax 645D vs Pentax K100D S Specifications
Pentax 645D | Pentax K100D Super | |
---|---|---|
General Information | ||
Make | Pentax | Pentax |
Model type | Pentax 645D | Pentax K100D Super |
Category | Pro DSLR | Entry-Level DSLR |
Revealed | 2010-03-10 | 2007-06-28 |
Physical type | Large SLR | Compact SLR |
Sensor Information | ||
Chip | Prime II | - |
Sensor type | CCD | CCD |
Sensor size | Medium format | APS-C |
Sensor dimensions | 44 x 33mm | 23.5 x 15.7mm |
Sensor area | 1,452.0mm² | 369.0mm² |
Sensor resolution | 40 megapixels | 6 megapixels |
Anti alias filter | ||
Aspect ratio | 4:3 | 3:2 |
Highest resolution | 7264 x 5440 | 3008 x 2008 |
Highest native ISO | 1600 | 3200 |
Minimum native ISO | 200 | 200 |
RAW files | ||
Minimum boosted ISO | 100 | - |
Autofocusing | ||
Manual focusing | ||
Touch focus | ||
Continuous autofocus | ||
Single autofocus | ||
Autofocus tracking | ||
Autofocus selectice | ||
Center weighted autofocus | ||
Autofocus multi area | ||
Live view autofocus | ||
Face detect autofocus | ||
Contract detect autofocus | ||
Phase detect autofocus | ||
Total focus points | 11 | 11 |
Lens | ||
Lens mount type | Pentax 645AF2 | Pentax KAF2 |
Amount of lenses | 6 | 151 |
Crop factor | 0.8 | 1.5 |
Screen | ||
Type of display | Fixed Type | Fixed Type |
Display sizing | 3" | 2.5" |
Resolution of display | 921k dots | 210k dots |
Selfie friendly | ||
Liveview | ||
Touch display | ||
Display technology | TFT Color LCD with wide-viewing angle and with AR coating | - |
Viewfinder Information | ||
Viewfinder | Optical (pentaprism) | Optical (pentamirror) |
Viewfinder coverage | 98 percent | 96 percent |
Viewfinder magnification | 0.85x | 0.57x |
Features | ||
Slowest shutter speed | 30 seconds | 30 seconds |
Maximum shutter speed | 1/4000 seconds | 1/4000 seconds |
Continuous shooting rate | 1.0fps | 3.0fps |
Shutter priority | ||
Aperture priority | ||
Manual mode | ||
Exposure compensation | Yes | Yes |
Set white balance | ||
Image stabilization | ||
Integrated flash | ||
Flash distance | no built-in flash | - |
Flash settings | Auto, On, Off, Red-eye, Slow Sync, Rear Curtain | Auto, On, Off, Red-eye reduction |
Hot shoe | ||
Auto exposure bracketing | ||
WB bracketing | ||
Maximum flash synchronize | 1/125 seconds | 1/180 seconds |
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Highest video resolution | None | None |
Mic port | ||
Headphone port | ||
Connectivity | ||
Wireless | None | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environment sealing | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 1480 gr (3.26 lbs) | 646 gr (1.42 lbs) |
Physical dimensions | 156 x 117 x 119mm (6.1" x 4.6" x 4.7") | 129 x 91 x 71mm (5.1" x 3.6" x 2.8") |
DXO scores | ||
DXO All around rating | 82 | not tested |
DXO Color Depth rating | 24.6 | not tested |
DXO Dynamic range rating | 12.6 | not tested |
DXO Low light rating | 1262 | not tested |
Other | ||
Battery life | 800 photographs | - |
Battery type | Battery Pack | - |
Battery ID | D-LI90 | 4 x AA |
Self timer | Yes (2 or 10 sec) | Yes (2 or 12 sec) |
Time lapse feature | ||
Storage type | SD/SDHC | SD/SDHC card |
Card slots | Two | 1 |
Retail price | $4,000 | $520 |