Pentax Efina vs YI M1
97 Imaging
37 Features
26 Overall
32
87 Imaging
58 Features
66 Overall
61
Pentax Efina vs YI M1 Key Specs
(Full Review)
- 14MP - 1/2.3" Sensor
- 2.5" Fixed Screen
- ISO 80 - 1600
- Digital Image Stabilization
- 1280 x 720 video
- 26-130mm (F3.5-6.3) lens
- 91g - 87 x 54 x 21mm
- Announced June 2013
(Full Review)
- 20MP - Four Thirds Sensor
- 3" Fixed Screen
- ISO 100 - 25600
- 4096 x 2160 video
- Micro Four Thirds Mount
- 350g - 114 x 64 x 34mm
- Revealed September 2016
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Its time to examine more closely at the Pentax Efina vs YI M1, one being a Ultracompact and the latter is a Entry-Level Mirrorless by companies Pentax and YI. There exists a significant gap between the resolutions of the Efina (14MP) and M1 (20MP) and the Efina (1/2.3") and M1 (Four Thirds) use totally different sensor sizing.
Japan-exclusive Leica Leitz Phone 3 features big sensor and new modesThe Efina was released 4 years before the M1 and that is quite a sizable gap as far as technology is concerned. Each of the cameras offer different body type with the Pentax Efina being a Ultracompact camera and the YI M1 being a Rangefinder-style mirrorless camera.
Before getting in to a detailed comparison, below is a short summary of how the Efina matches up versus the M1 in regards to portability, imaging, features and an overall grade.
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The following is a preview of the gallery photos for Pentax Efina and YI M1. The complete galleries are available at Pentax Efina Gallery and YI M1 Gallery.
Reasons to pick Pentax Efina over the YI M1
| Efina | M1 |
|---|
Reasons to pick YI M1 over the Pentax Efina
| M1 | Efina | |||
|---|---|---|---|---|
| Revealed | September 2016 | June 2013 | More recent by 40 months | |
| Manually focus | Very precise focusing | |||
| Screen sizing | 3" | 2.5" | Bigger screen (+0.5") | |
| Screen resolution | 1040k | 230k | Crisper screen (+810k dot) | |
| Touch friendly screen | Quickly navigate |
Common features in the Pentax Efina and YI M1
| Efina | M1 | |||
|---|---|---|---|---|
| Screen type | Fixed | Fixed | Fixed screen | |
| Selfie screen | Lacking selfie screen |
Pentax Efina vs YI M1 Physical Comparison
If you are planning to lug around your camera, you have to take into account its weight and size. The Pentax Efina features exterior measurements of 87mm x 54mm x 21mm (3.4" x 2.1" x 0.8") and a weight of 91 grams (0.20 lbs) whilst the YI M1 has specifications of 114mm x 64mm x 34mm (4.5" x 2.5" x 1.3") accompanied by a weight of 350 grams (0.77 lbs).
Check out the Pentax Efina vs YI M1 in the new Camera and Lens Size Comparison Tool.
Keep in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you have attached during that time. Underneath is the front view over all size comparison of the Efina versus the M1.

Taking into consideration dimensions and weight, the portability score of the Efina and M1 is 97 and 87 respectively.
Pentax Efina vs YI M1 Sensor Comparison
Sometimes, its hard to visualise the contrast between sensor measurements merely by reading through a spec sheet. The visual here will help give you a stronger sense of the sensor measurements in the Efina and M1.
As you can see, both of these cameras offer different megapixels and different sensor measurements. The Efina because of its tinier sensor will make getting shallow DOF tougher and the YI M1 will resolve greater detail as a result of its extra 6MP. Higher resolution will also enable you to crop photographs a little more aggressively. The older Efina is going to be disadvantaged in sensor technology.
Pentax Efina vs YI M1 Screen and ViewFinder
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Pentax Efina vs YI M1 Specifications
| Pentax Efina | YI M1 | |
|---|---|---|
| General Information | ||
| Brand Name | Pentax | YI |
| Model type | Pentax Efina | YI M1 |
| Type | Ultracompact | Entry-Level Mirrorless |
| Announced | 2013-06-03 | 2016-09-19 |
| Body design | Ultracompact | Rangefinder-style mirrorless |
| Sensor Information | ||
| Sensor type | CCD | CMOS |
| Sensor size | 1/2.3" | Four Thirds |
| Sensor dimensions | 6.17 x 4.55mm | 17.3 x 13mm |
| Sensor area | 28.1mm² | 224.9mm² |
| Sensor resolution | 14MP | 20MP |
| Anti alias filter | ||
| Aspect ratio | 4:3, 3:2 and 16:9 | 1:1, 4:3, 3:2 and 16:9 |
| Peak resolution | 4288 x 3216 | 5184 x 3888 |
| Highest native ISO | 1600 | 25600 |
| Min native ISO | 80 | 100 |
| RAW files | ||
| Autofocusing | ||
| Manual focusing | ||
| Touch to focus | ||
| AF continuous | ||
| Single AF | ||
| Tracking AF | ||
| Selective AF | ||
| Center weighted AF | ||
| Multi area AF | ||
| AF live view | ||
| Face detection focusing | ||
| Contract detection focusing | ||
| Phase detection focusing | ||
| Total focus points | - | 81 |
| Cross type focus points | - | - |
| Lens | ||
| Lens support | fixed lens | Micro Four Thirds |
| Lens zoom range | 26-130mm (5.0x) | - |
| Highest aperture | f/3.5-6.3 | - |
| Macro focusing distance | 20cm | - |
| Total lenses | - | 107 |
| Crop factor | 5.8 | 2.1 |
| Screen | ||
| Range of screen | Fixed Type | Fixed Type |
| Screen sizing | 2.5 inches | 3 inches |
| Screen resolution | 230 thousand dot | 1,040 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch friendly | ||
| Screen technology | QVGA TFT LCD | - |
| Viewfinder Information | ||
| Viewfinder type | None | None |
| Features | ||
| Min shutter speed | 1/8 secs | 60 secs |
| Max shutter speed | 1/1400 secs | 1/4000 secs |
| Continuous shutter speed | - | 5.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | - | Yes |
| Set WB | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | 4.10 m | no built-in flash |
| Flash settings | Auto, Auto Red-eye Reduction, Forced On, Forced Off | Auto, On, Off, Slow Sync, Red-Eye Slow |
| External flash | ||
| Auto exposure bracketing | ||
| WB bracketing | ||
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Supported video resolutions | 1280 x 720, 640 x 480 | 4096 x 2160 @ 30p / 75 Mbps, MOV, H.264, AAC |
| Highest video resolution | 1280x720 | 4096x2160 |
| Video data format | - | MPEG-4, H.264 |
| Mic jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | None | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environment seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 91g (0.20 lb) | 350g (0.77 lb) |
| Dimensions | 87 x 54 x 21mm (3.4" x 2.1" x 0.8") | 114 x 64 x 34mm (4.5" x 2.5" x 1.3") |
| DXO scores | ||
| DXO Overall rating | not tested | not tested |
| DXO Color Depth rating | not tested | not tested |
| DXO Dynamic range rating | not tested | not tested |
| DXO Low light rating | not tested | not tested |
| Other | ||
| Battery life | 200 pictures | 450 pictures |
| Battery form | Battery Pack | Battery Pack |
| Battery ID | D-LI109 | - |
| Self timer | Yes | Yes (2 or 10 secs) |
| Time lapse feature | ||
| Storage media | SC/SDHC, Internal | SD/SDHC/SDXC card |
| Storage slots | 1 | 1 |
| Launch price | $10 | $320 |