Pentax 645D vs Pentax K100D
50 Imaging
76 Features
52 Overall
66
64 Imaging
45 Features
36 Overall
41
Pentax 645D vs Pentax K100D Key Specs
(Full Review)
- 40MP - Medium format Sensor
- 3" Fixed Screen
- ISO 200 - 1600
- No Anti-Alias Filter
- No Video
- Pentax 645AF2 Mount
- 1480g - 156 x 117 x 119mm
- Released March 2010
- Replacement is Pentax 645Z
(Full Review)
- 6MP - APS-C Sensor
- 2.5" Fixed Display
- ISO 200 - 3200
- Sensor based Image Stabilization
- No Video
- Pentax KAF Mount
- 660g - 129 x 93 x 70mm
- Revealed December 2006
- Newer Model is Pentax K100D S
Pentax 645D vs Pentax K100D Overview
Lets look a little more in depth at the Pentax 645D and Pentax K100D, one being a Pro DSLR and the other is a Entry-Level DSLR and they are both designed by Pentax. There is a crucial difference among the resolutions of the 645D (40MP) and K100D (6MP) and the 645D (Medium format) and K100D (APS-C) enjoy totally different sensor size.
Photography GlossaryThe 645D was launched 3 years later than the K100D and that is a fairly serious gap as far as camera tech is concerned. Each of the cameras come with different body type with the Pentax 645D being a Large SLR camera and the Pentax K100D being a Compact SLR camera.
Before getting in to a step-by-step comparison, below is a concise summary of how the 645D scores against the K100D in terms of portability, imaging, features and an overall grade.
Pentax 645D vs Pentax K100D Gallery
Below is a sample of the gallery pics for Pentax 645D and Pentax K100D. The complete galleries are provided at Pentax 645D Gallery and Pentax K100D Gallery.
Reasons to pick Pentax 645D over the Pentax K100D
645D | K100D | |||
---|---|---|---|---|
Revealed | March 2010 | December 2006 | More recent by 40 months | |
Display dimension | 3" | 2.5" | Larger display (+0.5") | |
Display resolution | 921k | 210k | Sharper display (+711k dot) |
Reasons to pick Pentax K100D over the Pentax 645D
K100D | 645D |
---|
Common features in the Pentax 645D and Pentax K100D
645D | K100D | |||
---|---|---|---|---|
Focus manually | Dial exact focusing | |||
Display type | Fixed | Fixed | Fixed display | |
Selfie screen | Neither offers selfie screen | |||
Touch friendly display | Absent Touch friendly display |
Pentax 645D vs Pentax K100D Physical Comparison
For anyone who is going to lug around your camera, you are going to need to think about its weight and measurements. The Pentax 645D offers outer dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") and a weight of 1480 grams (3.26 lbs) whilst the Pentax K100D has proportions of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") accompanied by a weight of 660 grams (1.46 lbs).
Check the Pentax 645D and Pentax K100D in the latest Camera with Lens Size Comparison Tool.Always remember, the weight of an Interchangeable Lens Camera will vary depending on the lens you are employing at that time. Here is the front view overall size comparison of the 645D versus the K100D.
Using size and weight, the portability grade of the 645D and K100D is 50 and 64 respectively.
Pentax 645D vs Pentax K100D Sensor Comparison
Often, it is very tough to see the gap in sensor measurements merely by checking out specs. The photograph here will provide you a far better sense of the sensor sizes in the 645D and K100D.
As you can plainly see, each of these cameras posses different megapixel count and different sensor measurements. The 645D featuring a larger sensor will make achieving shallow depth of field simpler and the Pentax 645D will produce greater detail utilizing its extra 34 Megapixels. Greater resolution will make it easier to crop images somewhat more aggressively. The younger 645D is going to have an advantage in sensor technology.
Pentax 645D vs Pentax K100D Screen and ViewFinder
Photography Type Scores
Portrait Comparison
Street Comparison
Sports Comparison
Travel Comparison
Landscape Comparison
Vlogging Comparison
Pentax 645D vs Pentax K100D Specifications
Pentax 645D | Pentax K100D | |
---|---|---|
General Information | ||
Brand | Pentax | Pentax |
Model | Pentax 645D | Pentax K100D |
Type | Pro DSLR | Entry-Level DSLR |
Released | 2010-03-10 | 2006-12-03 |
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 surface area | 1,452.0mm² | 369.0mm² |
Sensor resolution | 40MP | 6MP |
Anti aliasing filter | ||
Aspect ratio | 4:3 | 3:2 |
Peak resolution | 7264 x 5440 | 3008 x 2008 |
Highest native ISO | 1600 | 3200 |
Minimum native ISO | 200 | 200 |
RAW files | ||
Minimum enhanced ISO | 100 | - |
Autofocusing | ||
Focus manually | ||
Autofocus touch | ||
Autofocus continuous | ||
Autofocus single | ||
Tracking autofocus | ||
Selective autofocus | ||
Autofocus center weighted | ||
Multi area autofocus | ||
Autofocus live view | ||
Face detection autofocus | ||
Contract detection autofocus | ||
Phase detection autofocus | ||
Number of focus points | 11 | 11 |
Lens | ||
Lens mount | Pentax 645AF2 | Pentax KAF |
Amount of lenses | 6 | 151 |
Focal length multiplier | 0.8 | 1.5 |
Screen | ||
Screen type | Fixed Type | Fixed Type |
Screen sizing | 3" | 2.5" |
Resolution of screen | 921k dots | 210k dots |
Selfie friendly | ||
Liveview | ||
Touch function | ||
Screen 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 | ||
Min shutter speed | 30s | 30s |
Max shutter speed | 1/4000s | 1/4000s |
Continuous shutter rate | 1.0 frames/s | 3.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Manual mode | ||
Exposure compensation | Yes | Yes |
Set white balance | ||
Image stabilization | ||
Built-in flash | ||
Flash range | no built-in flash | - |
Flash options | Auto, On, Off, Red-eye, Slow Sync, Rear Curtain | Auto, On, Off, Red-eye reduction |
External flash | ||
AE bracketing | ||
WB bracketing | ||
Max flash synchronize | 1/125s | 1/180s |
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 | ||
Environmental sealing | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 1480g (3.26 pounds) | 660g (1.46 pounds) |
Dimensions | 156 x 117 x 119mm (6.1" x 4.6" x 4.7") | 129 x 93 x 70mm (5.1" x 3.7" x 2.8") |
DXO scores | ||
DXO Overall score | 82 | not tested |
DXO Color Depth score | 24.6 | not tested |
DXO Dynamic range score | 12.6 | not tested |
DXO Low light score | 1262 | not tested |
Other | ||
Battery life | 800 images | - |
Form of battery | Battery Pack | - |
Battery model | D-LI90 | 4 x AA |
Self timer | Yes (2 or 10 sec) | Yes (2 or 12 sec) |
Time lapse recording | ||
Storage type | SD/SDHC | SD/MMC card |
Card slots | Two | Single |
Launch cost | $4,000 | $0 |