Epson R-D1 vs Pentax Q-S1
75 Imaging
43 Features
20 Overall
33


92 Imaging
37 Features
54 Overall
43
Epson R-D1 vs Pentax Q-S1 Key Specs
(Full Review)
- 6MP - APS-C Sensor
- 2" Fixed Screen
- ISO 200 - 1600
- No Video
- Leica M Mount
- 620g - 142 x 89 x 40mm
- Launched March 2004
- Replacement is Epson R-D1x
(Full Review)
- 12MP - 1/1.7" Sensor
- 3" Fixed Display
- ISO 100 - 12800
- Sensor based Image Stabilization
- 1/8000s Max Shutter
- 1920 x 1080 video
- Pentax Q Mount
- 203g - 105 x 58 x 34mm
- Revealed August 2014

Epson R-D1 vs Pentax Q-S1 Overview
Let's look a little more closely at the Epson R-D1 versus Pentax Q-S1, one being a Advanced Mirrorless and the other is a Entry-Level Mirrorless by companies Epson and Pentax. There exists a significant gap between the sensor resolutions of the R-D1 (6MP) and Q-S1 (12MP) and the R-D1 (APS-C) and Q-S1 (1/1.7") posses different sensor sizing.

The R-D1 was manufactured 11 years earlier than the Q-S1 and that is quite a sizable gap as far as technology is concerned. Both of these cameras feature the same body design (Rangefinder-style mirrorless).
Before going right into a more detailed comparison, here is a simple summary of how the R-D1 scores vs the Q-S1 in regards to portability, imaging, features and an overall rating.

Epson R-D1 vs Pentax Q-S1 Gallery
The following is a sample of the gallery pictures for Epson R-D1 and Pentax Q-S1. The entire galleries are provided at Epson R-D1 Gallery and Pentax Q-S1 Gallery.
Reasons to pick Epson R-D1 over the Pentax Q-S1
R-D1 | Q-S1 |
---|
Reasons to pick Pentax Q-S1 over the Epson R-D1
Q-S1 | R-D1 | |||
---|---|---|---|---|
Revealed | August 2014 | ![]() | March 2004 | Fresher by 126 months |
Display size | 3" | ![]() | 2" | Larger display (+1") |
Display resolution | 460k | ![]() | 235k | Crisper display (+225k dot) |
Common features in the Epson R-D1 and Pentax Q-S1
R-D1 | Q-S1 | |||
---|---|---|---|---|
Focus manually | ![]() | More precise focusing | ||
Display type | Fixed | ![]() | Fixed | Fixed display |
Selfie screen | ![]() | Neither comes with selfie screen | ||
Touch friendly display | ![]() | Absent Touch friendly display |
Epson R-D1 vs Pentax Q-S1 Physical Comparison
In case you're intending to carry your camera regularly, you will want to take into account its weight and volume. The Epson R-D1 comes with external dimensions of 142mm x 89mm x 40mm (5.6" x 3.5" x 1.6") accompanied by a weight of 620 grams (1.37 lbs) whilst the Pentax Q-S1 has sizing of 105mm x 58mm x 34mm (4.1" x 2.3" x 1.3") along with a weight of 203 grams (0.45 lbs).
Contrast the Epson R-D1 versus Pentax Q-S1 in the new Camera and Lens Size Comparison Tool.
Remember, the weight of an Interchangeable Lens Camera will differ depending on the lens you are utilising during that time. Below is a front view dimensions comparison of the R-D1 vs the Q-S1.

Factoring in dimensions and weight, the portability score of the R-D1 and Q-S1 is 75 and 92 respectively.

Epson R-D1 vs Pentax Q-S1 Sensor Comparison
More often than not, its difficult to picture the difference between sensor sizing merely by looking at a spec sheet. The photograph below may provide you a much better sense of the sensor dimensions in the R-D1 and Q-S1.
Clearly, the 2 cameras feature different resolutions and different sensor sizing. The R-D1 featuring a larger sensor is going to make getting bokeh easier and the Pentax Q-S1 will give you more detail due to its extra 6MP. Greater resolution will let you crop images way more aggressively. The older R-D1 is going to be disadvantaged with regard to sensor tech.

Epson R-D1 vs Pentax Q-S1 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Epson R-D1 vs Pentax Q-S1 Specifications
Epson R-D1 | Pentax Q-S1 | |
---|---|---|
General Information | ||
Brand Name | Epson | Pentax |
Model type | Epson R-D1 | Pentax Q-S1 |
Type | Advanced Mirrorless | Entry-Level Mirrorless |
Launched | 2004-03-11 | 2014-08-04 |
Physical type | Rangefinder-style mirrorless | Rangefinder-style mirrorless |
Sensor Information | ||
Powered by | - | Q Engine |
Sensor type | CCD | BSI-CMOS |
Sensor size | APS-C | 1/1.7" |
Sensor measurements | 23.7 x 15.6mm | 7.44 x 5.58mm |
Sensor surface area | 369.7mm² | 41.5mm² |
Sensor resolution | 6 megapixel | 12 megapixel |
Anti alias filter | ||
Aspect ratio | 3:2 | 1:1, 4:3, 3:2 and 16:9 |
Highest resolution | 3008 x 2000 | 4000 x 3000 |
Highest native ISO | 1600 | 12800 |
Min native ISO | 200 | 100 |
RAW pictures | ||
Autofocusing | ||
Focus manually | ||
Touch to focus | ||
Autofocus continuous | ||
Autofocus single | ||
Tracking autofocus | ||
Autofocus selectice | ||
Center weighted autofocus | ||
Multi area autofocus | ||
Live view autofocus | ||
Face detection focus | ||
Contract detection focus | ||
Phase detection focus | ||
Lens | ||
Lens support | Leica M | Pentax Q |
Number of lenses | 59 | 8 |
Crop factor | 1.5 | 4.8 |
Screen | ||
Screen type | Fixed Type | Fixed Type |
Screen sizing | 2 inch | 3 inch |
Screen resolution | 235k dots | 460k dots |
Selfie friendly | ||
Liveview | ||
Touch function | ||
Viewfinder Information | ||
Viewfinder type | Optical (rangefinder) | None |
Features | ||
Slowest shutter speed | 1 secs | 30 secs |
Maximum shutter speed | 1/2000 secs | 1/8000 secs |
Continuous shooting rate | - | 5.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | Yes |
Change white balance | ||
Image stabilization | ||
Inbuilt flash | ||
Flash distance | no built-in flash | 4.90 m (at ISO 100) |
Flash modes | - | Auto, redeye reduction, slow sync, trailing curtain sync |
External flash | ||
AE bracketing | ||
White balance bracketing | ||
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Video resolutions | - | 1920 x 1080 (30,25, 24p), 1280 x 720 (30, 25, 24p), 640 x 480 (30, 25, 24p) |
Highest video resolution | None | 1920x1080 |
Video format | - | MPEG-4, H.264 |
Microphone support | ||
Headphone support | ||
Connectivity | ||
Wireless | None | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | none | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environment sealing | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 620 gr (1.37 lb) | 203 gr (0.45 lb) |
Physical dimensions | 142 x 89 x 40mm (5.6" x 3.5" x 1.6") | 105 x 58 x 34mm (4.1" x 2.3" x 1.3") |
DXO scores | ||
DXO All around 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 | - | 250 shots |
Battery style | - | Battery Pack |
Battery ID | - | D-LI68 |
Self timer | No | Yes (2 or 12 sec) |
Time lapse feature | ||
Type of storage | SD card | SD/SDHC/SDXC card |
Card slots | One | One |
Price at launch | $1,709 | $250 |