Epson R-D1 vs Sony a5100
75 Imaging
43 Features
20 Overall
33


89 Imaging
65 Features
74 Overall
68
Epson R-D1 vs Sony a5100 Key Specs
(Full Review)
- 6MP - APS-C Sensor
- 2" Fixed Display
- ISO 200 - 1600
- No Video
- Leica M Mount
- 620g - 142 x 89 x 40mm
- Revealed March 2004
- Successor is Epson R-D1x
(Full Review)
- 24MP - APS-C Sensor
- 3" Tilting Screen
- ISO 100 - 25600
- 1920 x 1080 video
- Sony E Mount
- 283g - 110 x 63 x 36mm
- Introduced August 2014
- Replaced the Sony a5000

Epson R-D1 vs Sony a5100 Overview
Below, we will be looking at the Epson R-D1 versus Sony a5100, former being a Advanced Mirrorless while the latter is a Entry-Level Mirrorless by manufacturers Epson and Sony. There exists a sizable gap among the resolutions of the R-D1 (6MP) and a5100 (24MP) but they use the exact same sensor size (APS-C).

The R-D1 was manufactured 11 years prior to the a5100 and that is a fairly significant difference as far as camera technology is concerned. Both cameras come with the identical body type (Rangefinder-style mirrorless).
Before delving through a thorough comparison, below is a short summary of how the R-D1 matches up against the a5100 in relation to portability, imaging, features and an overall grade.

Epson R-D1 vs Sony a5100 Gallery
Below is a preview of the gallery photos for Epson R-D1 & Sony Alpha a5100. The entire galleries are viewable at Epson R-D1 Gallery & Sony a5100 Gallery.
Reasons to pick Epson R-D1 over the Sony a5100
R-D1 | a5100 |
---|
Reasons to pick Sony a5100 over the Epson R-D1
a5100 | R-D1 | |||
---|---|---|---|---|
Introduced | August 2014 | ![]() | March 2004 | More recent by 127 months |
Screen type | Tilting | ![]() | Fixed | Tilting screen |
Screen dimension | 3" | ![]() | 2" | Bigger screen (+1") |
Screen resolution | 922k | ![]() | 235k | Clearer screen (+687k dot) |
Touch screen | ![]() | Quickly navigate |
Common features in the Epson R-D1 and Sony a5100
R-D1 | a5100 | |||
---|---|---|---|---|
Manual focus | ![]() | Dial exact focusing | ||
Selfie screen | ![]() | Neither contains selfie screen |
Epson R-D1 vs Sony a5100 Physical Comparison
When you are going to lug around your camera regularly, you will have to factor in its weight and measurements. The Epson R-D1 has got outside measurements of 142mm x 89mm x 40mm (5.6" x 3.5" x 1.6") accompanied by a weight of 620 grams (1.37 lbs) and the Sony a5100 has proportions of 110mm x 63mm x 36mm (4.3" x 2.5" x 1.4") accompanied by a weight of 283 grams (0.62 lbs).
Check out the Epson R-D1 versus Sony a5100 in our brand new Camera & Lens Size Comparison Tool.
Take into consideration, the weight of an ILC will vary depending on the lens you have during that time. The following is the front view dimension comparison of the R-D1 versus the a5100.

Considering dimensions and weight, the portability score of the R-D1 and a5100 is 75 and 89 respectively.

Epson R-D1 vs Sony a5100 Sensor Comparison
More often than not, it is difficult to envision the gap in sensor measurements merely by checking out technical specs. The photograph underneath might offer you a more clear sense of the sensor measurements in the R-D1 and a5100.
As you have seen, both of those cameras have got the exact same sensor measurements albeit not the same resolution. You can count on the Sony a5100 to show more detail due to its extra 18MP. Higher resolution can also make it easier to crop shots much more aggressively. The older R-D1 will be behind in sensor innovation.

Epson R-D1 vs Sony a5100 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Epson R-D1 vs Sony a5100 Specifications
Epson R-D1 | Sony Alpha a5100 | |
---|---|---|
General Information | ||
Make | Epson | Sony |
Model | Epson R-D1 | Sony Alpha a5100 |
Class | Advanced Mirrorless | Entry-Level Mirrorless |
Revealed | 2004-03-11 | 2014-08-17 |
Body design | Rangefinder-style mirrorless | Rangefinder-style mirrorless |
Sensor Information | ||
Processor | - | Bionz X |
Sensor type | CCD | CMOS |
Sensor size | APS-C | APS-C |
Sensor dimensions | 23.7 x 15.6mm | 23.5 x 15.6mm |
Sensor surface area | 369.7mm² | 366.6mm² |
Sensor resolution | 6 megapixels | 24 megapixels |
Anti aliasing filter | ||
Aspect ratio | 3:2 | 3:2 and 16:9 |
Peak resolution | 3008 x 2000 | 6000 x 4000 |
Highest native ISO | 1600 | 25600 |
Lowest native ISO | 200 | 100 |
RAW images | ||
Autofocusing | ||
Focus manually | ||
Touch focus | ||
Autofocus continuous | ||
Autofocus single | ||
Autofocus tracking | ||
Selective autofocus | ||
Center weighted autofocus | ||
Multi area autofocus | ||
Autofocus live view | ||
Face detect autofocus | ||
Contract detect autofocus | ||
Phase detect autofocus | ||
Number of focus points | - | 179 |
Lens | ||
Lens mount | Leica M | Sony E |
Available lenses | 59 | 121 |
Crop factor | 1.5 | 1.5 |
Screen | ||
Display type | Fixed Type | Tilting |
Display diagonal | 2" | 3" |
Resolution of display | 235 thousand dot | 922 thousand dot |
Selfie friendly | ||
Liveview | ||
Touch display | ||
Viewfinder Information | ||
Viewfinder | Optical (rangefinder) | None |
Features | ||
Min shutter speed | 1 secs | 30 secs |
Max shutter speed | 1/2000 secs | 1/4000 secs |
Continuous shutter speed | - | 6.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | Yes |
Set white balance | ||
Image stabilization | ||
Inbuilt flash | ||
Flash range | no built-in flash | 4.00 m (at ISO 100) |
Flash settings | - | Flash off, auto, fill-flaw, slow sync, redeye reduction |
Hot shoe | ||
AEB | ||
WB bracketing | ||
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Video resolutions | - | 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p, 25p), 1280 x 720 (120p), 640 x 480 (30p, 25p) |
Highest video resolution | None | 1920x1080 |
Video file format | - | MPEG-4, AVCHD, XAVC S |
Mic input | ||
Headphone input | ||
Connectivity | ||
Wireless | None | Built-In |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | none | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environment seal | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 620 gr (1.37 pounds) | 283 gr (0.62 pounds) |
Dimensions | 142 x 89 x 40mm (5.6" x 3.5" x 1.6") | 110 x 63 x 36mm (4.3" x 2.5" x 1.4") |
DXO scores | ||
DXO Overall score | not tested | 80 |
DXO Color Depth score | not tested | 23.8 |
DXO Dynamic range score | not tested | 12.7 |
DXO Low light score | not tested | 1347 |
Other | ||
Battery life | - | 400 images |
Type of battery | - | Battery Pack |
Battery model | - | NP-FW50 |
Self timer | No | Yes (2 or 10 sec, continuous (3-5 shot)) |
Time lapse shooting | With downloadable app | |
Type of storage | SD card | SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo |
Storage slots | One | One |
Price at release | $1,709 | $448 |