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Ricoh GR Digital IV vs Sigma SD1 Merrill

Portability
92
Imaging
35
Features
47
Overall
39
Ricoh GR Digital IV front
 
Sigma SD1 Merrill front
Portability
57
Imaging
56
Features
45
Overall
51

Ricoh GR Digital IV vs Sigma SD1 Merrill Key Specs

Ricoh GR Digital IV
(Full Review)
  • 10MP - 1/1.7" Sensor
  • 3" Fixed Screen
  • ISO 80 - 3200
  • Sensor-shift Image Stabilization
  • 640 x 480 video
  • 28mm (F1.9) lens
  • 190g - 109 x 59 x 33mm
  • Released September 2011
  • Old Model is Ricoh GR Digital III
Sigma SD1 Merrill
(Full Review)
  • 15MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 6400
  • No Video
  • Sigma SA Mount
  • 790g - 146 x 113 x 80mm
  • Announced April 2012
  • Superseded the Sigma SD1
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Ricoh GR Digital IV vs Sigma SD1 Merrill Overview

The following is a complete review of the Ricoh GR Digital IV versus Sigma SD1 Merrill, one is a Small Sensor Compact and the other is a Advanced DSLR by competitors Ricoh and Sigma. There exists a crucial gap between the sensor resolutions of the GR Digital IV (10MP) and SD1 Merrill (15MP) and the GR Digital IV (1/1.7") and SD1 Merrill (APS-C) enjoy different sensor sizes.

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The GR Digital IV was revealed 6 months prior to the SD1 Merrill and they are of a similar generation. Both cameras offer different body type with the Ricoh GR Digital IV being a Compact camera and the Sigma SD1 Merrill being a Mid-size SLR camera.

Before delving through a in depth comparison, below is a simple introduction of how the GR Digital IV grades vs the SD1 Merrill when considering portability, imaging, features and an overall mark.

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Reasons to pick Ricoh GR Digital IV over the Sigma SD1 Merrill

 GR Digital IV SD1 Merrill 
Display resolution1230k460kSharper display (+770k dot)

Reasons to pick Sigma SD1 Merrill over the Ricoh GR Digital IV

 SD1 Merrill GR Digital IV 

Common features in the Ricoh GR Digital IV and Sigma SD1 Merrill

 GR Digital IV SD1 Merrill 
AnnouncedSeptember 2011April 2012Similar generation
Manually focus Very accurate focus
Display typeFixed Fixed Fixed display
Display sizing3"3"Equivalent display dimensions
Selfie screen Neither features selfie screen
Touch friendly display Neither features Touch friendly display

Ricoh GR Digital IV vs Sigma SD1 Merrill Physical Comparison

For anybody who is planning to travel with your camera, you have to factor its weight and measurements. The Ricoh GR Digital IV enjoys exterior dimensions of 109mm x 59mm x 33mm (4.3" x 2.3" x 1.3") accompanied by a weight of 190 grams (0.42 lbs) while the Sigma SD1 Merrill has proportions of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") accompanied by a weight of 790 grams (1.74 lbs).

Compare the Ricoh GR Digital IV versus Sigma SD1 Merrill in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are utilising at that moment. The following is the front view dimension comparison of the GR Digital IV compared to the SD1 Merrill.

Ricoh GR Digital IV vs Sigma SD1 Merrill size comparison

Using dimensions and weight, the portability score of the GR Digital IV and SD1 Merrill is 92 and 57 respectively.

Ricoh GR Digital IV vs Sigma SD1 Merrill top view buttons comparison

Ricoh GR Digital IV vs Sigma SD1 Merrill Sensor Comparison

Quite often, its hard to visualize the gap between sensor dimensions only by reviewing a spec sheet. The picture below will help offer you a greater sense of the sensor sizes in the GR Digital IV and SD1 Merrill.

Clearly, each of the cameras offer different megapixels and different sensor dimensions. The GR Digital IV using its tinier sensor is going to make achieving bokeh harder and the Sigma SD1 Merrill will deliver greater detail because of its extra 5 Megapixels. Greater resolution can also make it easier to crop photos a little more aggressively.

Ricoh GR Digital IV vs Sigma SD1 Merrill sensor size comparison

Ricoh GR Digital IV vs Sigma SD1 Merrill Screen and ViewFinder

Ricoh GR Digital IV vs Sigma SD1 Merrill Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Ricoh GR Digital IV Portrait photography info
Sigma SD1 Merrill Portrait photography info
41
has manual focus
supports RAW files
sensor resolution not great (10 megapixels)
tiny sensor (1/1.7")
65
manual focus
MP count decent (15MP)
sensor size is nice (APS-C)
supports RAW files
no liveview
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Street Comparison

Ricoh GR Digital IV as a Street photography camera
Sigma SD1 Merrill as a Street photography camera
65
image stabilization (Sensor-shift)
supports RAW files
no articulating screen
tiny sensor (1/1.7")
57
sensor size is nice (APS-C)
supports RAW files
weather proof
no moving screen
no image stabilization
Photography Glossary

Sports Comparison

Ricoh GR Digital IV as a Sports photography camera
Sigma SD1 Merrill as a Sports photography camera
34
image stabilization (Sensor-shift)
better than average battery pack (390 per charge)
focal length is fixed (28mm)
sensor resolution not great (10MP)
tiny sensor (1/1.7")
lack of phase detect autofocus
61
MP count decent (15 megapixels)
sensor size is nice (APS-C)
weather proof
comes with phase detect autofocus
no liveview
no image stabilization
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Travel Comparison

Ricoh GR Digital IV Travel photography features
Sigma SD1 Merrill Travel photography features
67
better than average battery pack (390 shots)
built-in flash
great max aperture (f1.9)
sensor resolution not great (10MP)
does not have a selfie friendly screen
54
weather proof
MP count decent (15 megapixels)
lack of Timelapse function
does not feature selfie friendly screen
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Landscape Comparison

Ricoh GR Digital IV Landscape photography details
Sigma SD1 Merrill Landscape photography details
53
has manual focus
great max aperture (f1.9)
decent sized screen (3 inch)
image stabilization (Sensor-shift)
supports RAW files
better than average battery pack (390 shots)
lens is fixed (fixed lens mount)
focal length is fixed (28mm)
sensor resolution not great (10 megapixels)
tiny sensor (1/1.7")
63
manual focus
change lenses (Sigma SA mount)
nice screen size (3")
MP count decent (15MP)
sensor size is nice (APS-C)
supports RAW files
weather proof
no liveview
no image stabilization
lack of Timelapse function
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Vlogging Comparison

Ricoh GR Digital IV Vlogging advice
Sigma SD1 Merrill Vlogging advice
29
great max aperture (f1.9)
image stabilization (Sensor-shift)
does not have a selfie friendly screen
low video resolution (640 x 480 pixels)
does not have external mic support
9
lack of video recording
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Ricoh GR Digital IV vs Sigma SD1 Merrill Specifications

Detailed spec comparison table for Ricoh GR Digital IV and Sigma SD1 Merrill
 Ricoh GR Digital IVSigma SD1 Merrill
General Information
Manufacturer Ricoh Sigma
Model Ricoh GR Digital IV Sigma SD1 Merrill
Category Small Sensor Compact Advanced DSLR
Released 2011-09-15 2012-04-10
Body design Compact Mid-size SLR
Sensor Information
Processor Chip - Dual True II
Sensor type CCD CMOS (Foveon X3)
Sensor size 1/1.7" APS-C
Sensor measurements 7.44 x 5.58mm 24 x 16mm
Sensor area 41.5mm² 384.0mm²
Sensor resolution 10 megapixel 15 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3 and 3:2 -
Max resolution 3648 x 2736 4800 x 3200
Max native ISO 3200 6400
Min native ISO 80 100
RAW support
Autofocusing
Manual focus
Touch 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
Lens
Lens mounting type fixed lens Sigma SA
Lens focal range 28mm (1x) -
Max aperture f/1.9 -
Macro focus range 1cm -
Total lenses - 76
Crop factor 4.8 1.5
Screen
Range of screen Fixed Type Fixed Type
Screen sizing 3 inches 3 inches
Resolution of screen 1,230 thousand dot 460 thousand dot
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder Optical (optional) Optical (pentaprism)
Viewfinder coverage - 96%
Viewfinder magnification - 0.64x
Features
Min shutter speed 1s -
Max shutter speed 1/2000s -
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Inbuilt flash
Flash range 3.00 m no built-in flash
Flash options Auto, On, Off, Red-Eye, Slow Sync, Manual no built-in flash
External flash
AE bracketing
WB bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) -
Max video resolution 640x480 None
Video file format Motion JPEG -
Microphone jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 190 grams (0.42 lbs) 790 grams (1.74 lbs)
Dimensions 109 x 59 x 33mm (4.3" x 2.3" x 1.3") 146 x 113 x 80mm (5.7" x 4.4" x 3.1")
DXO scores
DXO Overall score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life 390 photos -
Form of battery Battery Pack -
Battery model DB65 -
Self timer Yes (2 or 10 sec) Yes
Time lapse feature
Storage media SD/SDHC, Internal Compact Flash (Type I, UDMA compatible)
Storage slots 1 1
Launch pricing $599 $2,339