Sigma SD1 Merrill vs Sony A7c
57 Imaging
56 Features
45 Overall
51


78 Imaging
76 Features
88 Overall
80
Sigma SD1 Merrill vs Sony A7c Key Specs
(Full Review)
- 15MP - APS-C Sensor
- 3" Fixed Screen
- ISO 100 - 6400
- No Video
- Sigma SA Mount
- 790g - 146 x 113 x 80mm
- Released April 2012
- Older Model is Sigma SD1
(Full Review)
- 24MP - Full frame Sensor
- 3" Fully Articulated Display
- ISO 100 - 51200 (Increase to 204800)
- Sensor based 5-axis Image Stabilization
- 3840 x 2160 video
- Sony E Mount
- 509g - 124 x 71 x 60mm
- Announced September 2020

Sigma SD1 Merrill vs Sony A7c Overview
Here, we are matching up the Sigma SD1 Merrill and Sony A7c, one being a Advanced DSLR and the other is a Advanced Mirrorless by competitors Sigma and Sony. There is a huge difference between the sensor resolutions of the SD1 Merrill (15MP) and A7c (24MP) and the SD1 Merrill (APS-C) and A7c (Full frame) provide different sensor sizes.

The SD1 Merrill was launched 9 years prior to the A7c and that is quite a significant gap as far as tech is concerned. Each of the cameras feature different body design with the Sigma SD1 Merrill being a Mid-size SLR camera and the Sony A7c being a Rangefinder-style mirrorless camera.
Before getting right into a comprehensive comparison, here is a short summation of how the SD1 Merrill grades vs the A7c for portability, imaging, features and an overall grade.

Sigma SD1 Merrill vs Sony A7c Gallery
Here is a sample of the gallery pics for Sigma SD1 Merrill and Sony Alpha A7c. The complete galleries are viewable at Sigma SD1 Merrill Gallery and Sony A7c Gallery.
Reasons to pick Sigma SD1 Merrill over the Sony A7c
SD1 Merrill | A7c |
---|
Reasons to pick Sony A7c over the Sigma SD1 Merrill
A7c | SD1 Merrill | |||
---|---|---|---|---|
Announced | September 2020 | ![]() | April 2012 | More recent by 102 months |
Display type | Fully articulated | ![]() | Fixed | Fully Articulating display |
Display resolution | 922k | ![]() | 460k | Clearer display (+462k dot) |
Selfie screen | ![]() | Take selfies | ||
Touch friendly display | ![]() | Easily navigate |
Common features in the Sigma SD1 Merrill and Sony A7c
SD1 Merrill | A7c | |||
---|---|---|---|---|
Manually focus | ![]() | Very precise focusing | ||
Display size | 3" | ![]() | 3" | Same display dimensions |
Sigma SD1 Merrill vs Sony A7c Physical Comparison
For anyone who is looking to lug around your camera, you're going to have to think about its weight and size. The Sigma SD1 Merrill has exterior measurements of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") having a weight of 790 grams (1.74 lbs) whilst the Sony A7c has specifications of 124mm x 71mm x 60mm (4.9" x 2.8" x 2.4") with a weight of 509 grams (1.12 lbs).
See the Sigma SD1 Merrill and Sony A7c in the latest Camera with Lens Size Comparison Tool.
Bear in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you select at the time. Here is a front view size comparison of the SD1 Merrill vs the A7c.

Looking at size and weight, the portability grade of the SD1 Merrill and A7c is 57 and 78 respectively.

Sigma SD1 Merrill vs Sony A7c Sensor Comparison
Often, it is difficult to imagine the difference between sensor measurements merely by looking at specs. The visual here will offer you a stronger sense of the sensor measurements in the SD1 Merrill and A7c.
As you can plainly see, the 2 cameras come with different megapixels and different sensor measurements. The SD1 Merrill because of its tinier sensor is going to make achieving shallower depth of field more difficult and the Sony A7c will resolve more detail utilizing its extra 9 Megapixels. Greater resolution will also enable you to crop pics a good deal more aggressively. The older SD1 Merrill is going to be disadvantaged with regard to sensor technology.

Sigma SD1 Merrill vs Sony A7c Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Sigma SD1 Merrill vs Sony A7c Specifications
Sigma SD1 Merrill | Sony Alpha A7c | |
---|---|---|
General Information | ||
Make | Sigma | Sony |
Model type | Sigma SD1 Merrill | Sony Alpha A7c |
Class | Advanced DSLR | Advanced Mirrorless |
Released | 2012-04-10 | 2020-09-14 |
Physical type | Mid-size SLR | Rangefinder-style mirrorless |
Sensor Information | ||
Powered by | Dual True II | - |
Sensor type | CMOS (Foveon X3) | BSI-CMOS |
Sensor size | APS-C | Full frame |
Sensor measurements | 24 x 16mm | 35.8 x 23.8mm |
Sensor area | 384.0mm² | 852.0mm² |
Sensor resolution | 15MP | 24MP |
Anti alias filter | ||
Aspect ratio | - | 3:2 and 16:9 |
Max resolution | 4800 x 3200 | 6000 x 4000 |
Max native ISO | 6400 | 51200 |
Max enhanced ISO | - | 204800 |
Lowest native ISO | 100 | 100 |
RAW support | ||
Lowest enhanced ISO | - | 50 |
Autofocusing | ||
Manual focusing | ||
Autofocus touch | ||
Autofocus continuous | ||
Autofocus single | ||
Tracking autofocus | ||
Autofocus selectice | ||
Autofocus center weighted | ||
Multi area autofocus | ||
Live view autofocus | ||
Face detection focus | ||
Contract detection focus | ||
Phase detection focus | ||
Total focus points | - | 693 |
Lens | ||
Lens support | Sigma SA | Sony E |
Number of lenses | 76 | 122 |
Crop factor | 1.5 | 1 |
Screen | ||
Type of screen | Fixed Type | Fully articulated |
Screen size | 3" | 3" |
Resolution of screen | 460 thousand dots | 922 thousand dots |
Selfie friendly | ||
Liveview | ||
Touch operation | ||
Viewfinder Information | ||
Viewfinder type | Optical (pentaprism) | Electronic |
Viewfinder resolution | - | 2,360 thousand dots |
Viewfinder coverage | 96% | 100% |
Viewfinder magnification | 0.64x | 0.59x |
Features | ||
Minimum shutter speed | - | 30 seconds |
Fastest shutter speed | - | 1/4000 seconds |
Fastest silent shutter speed | - | 1/8000 seconds |
Continuous shutter rate | - | 10.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | Yes |
Set white balance | ||
Image stabilization | ||
Integrated flash | ||
Flash distance | no built-in flash | no built-in flash |
Flash options | no built-in flash | no built-in flash |
Hot shoe | ||
AEB | ||
White balance bracketing | ||
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Supported video resolutions | - | 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM |
Max video resolution | None | 3840x2160 |
Video format | - | MPEG-4, XAVC S, H.264 |
Microphone port | ||
Headphone port | ||
Connectivity | ||
Wireless | None | Built-In |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 3.2 Gen 1 (5 GBit/sec) |
GPS | None | None |
Physical | ||
Environment sealing | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 790 gr (1.74 lb) | 509 gr (1.12 lb) |
Physical dimensions | 146 x 113 x 80mm (5.7" x 4.4" x 3.1") | 124 x 71 x 60mm (4.9" x 2.8" x 2.4") |
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 | - | 740 images |
Style of battery | - | Battery Pack |
Battery ID | - | NP-FZ100 |
Self timer | Yes | Yes (2 or 10 sec; continuous (3 or 5 exposures)) |
Time lapse shooting | ||
Storage type | Compact Flash (Type I, UDMA compatible) | SD/SDHC/SDXC card (UHS-II supported) |
Card slots | Single | Single |
Launch price | $2,339 | $1,800 |