Nikon D3100 vs Pentax K100D
68 Imaging
54 Features
59 Overall
56
64 Imaging
45 Features
36 Overall
41
Nikon D3100 vs Pentax K100D Key Specs
(Full Review)
- 14MP - APS-C Sensor
- 3" Fixed Screen
- ISO 100 - 3200 (Bump to 12800)
- 1920 x 1080 video
- Nikon F Mount
- 505g - 124 x 96 x 75mm
- Announced December 2010
- Previous Model is Nikon D3000
- New Model is Nikon D3200
(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
- Introduced December 2006
- Newer Model is Pentax K100D S
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Here, we are looking at the Nikon D3100 versus Pentax K100D, both Entry-Level DSLR digital cameras by brands Nikon and Pentax. There exists a noticeable gap between the sensor resolutions of the D3100 (14MP) and K100D (6MP) but both cameras boast the identical sensor sizing (APS-C).
Sora from OpenAI releases its first ever music videoThe D3100 was manufactured 4 years after the K100D which is quite a sizable difference as far as technology is concerned. Each of these cameras feature the same body design (Compact SLR).
Before we go straight to a full comparison, here is a short overview of how the D3100 matches up versus the K100D with regard to portability, imaging, features and an overall score.
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The following is a sample of the gallery pics for Nikon D3100 & Pentax K100D. The entire galleries are provided at Nikon D3100 Gallery & Pentax K100D Gallery.
Reasons to pick Nikon D3100 over the Pentax K100D
| D3100 | K100D | |||
|---|---|---|---|---|
| Introduced | December 2010 |  | December 2006 | More modern by 50 months |
| Display size | 3" |  | 2.5" | Larger display (+0.5") |
| Display resolution | 230k |  | 210k | Crisper display (+20k dot) |
Reasons to pick Pentax K100D over the Nikon D3100
| K100D | D3100 |
|---|
Common features in the Nikon D3100 and Pentax K100D
| D3100 | K100D | |||
|---|---|---|---|---|
| Manual focus |  | Dial precise focusing | ||
| Display type | Fixed |  | Fixed | Fixed display |
| Selfie screen |  | Neither has selfie screen | ||
| Touch display |  | Neither has Touch display |
Nikon D3100 vs Pentax K100D Physical Comparison
If you're aiming to carry around your camera, you are going to need to factor its weight and dimensions. The Nikon D3100 has physical measurements of 124mm x 96mm x 75mm (4.9" x 3.8" x 3.0") having a weight of 505 grams (1.11 lbs) and the Pentax K100D has dimensions of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") with a weight of 660 grams (1.46 lbs).
Contrast the Nikon D3100 versus Pentax K100D in our newest Camera & Lens Size Comparison Tool.
Take into account, the weight of an ILC will vary based on the lens you select at that moment. Underneath is a front view scale comparison of the D3100 vs the K100D.
Taking into account dimensions and weight, the portability rating of the D3100 and K100D is 68 and 64 respectively.
Nikon D3100 vs Pentax K100D Sensor Comparison
Typically, it's difficult to visualize the difference between sensor sizes simply by going over specifications. The pic underneath may give you a greater sense of the sensor sizing in the D3100 and K100D.
Plainly, the two cameras feature the identical sensor size but different MP. You can expect to see the Nikon D3100 to offer you more detail due to its extra 8MP. Greater resolution will also enable you to crop photos way more aggressively. The fresher D3100 should have an advantage with regard to sensor innovation.
Nikon D3100 vs Pentax K100D Screen and ViewFinder
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Nikon D3100 vs Pentax K100D Specifications
| Nikon D3100 | Pentax K100D | |
|---|---|---|
| General Information | ||
| Company | Nikon | Pentax |
| Model | Nikon D3100 | Pentax K100D |
| Type | Entry-Level DSLR | Entry-Level DSLR |
| Announced | 2010-12-21 | 2006-12-03 |
| Body design | Compact SLR | Compact SLR |
| Sensor Information | ||
| Processor Chip | Expeed 2 | - |
| Sensor type | CMOS | CCD |
| Sensor size | APS-C | APS-C |
| Sensor dimensions | 23.1 x 15.4mm | 23.5 x 15.7mm |
| Sensor surface area | 355.7mm² | 369.0mm² |
| Sensor resolution | 14 megapixels | 6 megapixels |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 3:2 |
| Highest Possible resolution | 4608 x 3072 | 3008 x 2008 |
| Maximum native ISO | 3200 | 3200 |
| Maximum enhanced ISO | 12800 | - |
| Lowest native ISO | 100 | 200 |
| RAW format | ||
| Autofocusing | ||
| Focus manually | ||
| Touch focus | ||
| AF continuous | ||
| Single AF | ||
| Tracking AF | ||
| AF selectice | ||
| AF center weighted | ||
| Multi area AF | ||
| Live view AF | ||
| Face detection focusing | ||
| Contract detection focusing | ||
| Phase detection focusing | ||
| Number of focus points | 11 | 11 |
| Cross focus points | 1 | - |
| Lens | ||
| Lens mount | Nikon F | Pentax KAF |
| Total lenses | 309 | 151 |
| Crop factor | 1.6 | 1.5 |
| Screen | ||
| Range of screen | Fixed Type | Fixed Type |
| Screen size | 3 inches | 2.5 inches |
| Screen resolution | 230 thousand dot | 210 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Screen technology | TFT LCD monitor | - |
| Viewfinder Information | ||
| Viewfinder | Optical (pentamirror) | Optical (pentamirror) |
| Viewfinder coverage | 95% | 96% |
| Viewfinder magnification | 0.53x | 0.57x |
| Features | ||
| Min shutter speed | 30 secs | 30 secs |
| Max shutter speed | 1/4000 secs | 1/4000 secs |
| Continuous shutter speed | 3.0 frames/s | 3.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Custom WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash range | 12.00 m (at ISO 100) | - |
| Flash settings | Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain | Auto, On, Off, Red-eye reduction |
| External flash | ||
| AE bracketing | ||
| WB bracketing | ||
| Max flash sync | 1/200 secs | 1/180 secs |
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Supported video resolutions | 1920 x 1080 (24 fps), 1280 x 720 (30, 25, 24 fps), 640 x 424 (24 fps) | - |
| Maximum video resolution | 1920x1080 | None |
| Video file format | MPEG-4 | - |
| Mic jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | Eye-Fi Connected | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | Optional | None |
| Physical | ||
| Environment seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 505g (1.11 pounds) | 660g (1.46 pounds) |
| Physical dimensions | 124 x 96 x 75mm (4.9" x 3.8" x 3.0") | 129 x 93 x 70mm (5.1" x 3.7" x 2.8") |
| DXO scores | ||
| DXO Overall score | 67 | not tested |
| DXO Color Depth score | 22.5 | not tested |
| DXO Dynamic range score | 11.3 | not tested |
| DXO Low light score | 919 | not tested |
| Other | ||
| Battery life | 550 shots | - |
| Form of battery | Battery Pack | - |
| Battery model | EN-EL14 | 4 x AA |
| Self timer | Yes | Yes (2 or 12 sec) |
| Time lapse shooting | ||
| Storage media | SD/SDHC/SDXC | SD/MMC card |
| Storage slots | 1 | 1 |
| Pricing at release | $565 | $0 |