Compare SIGMA fp L vs Sony A7R IV vs Sony ZV1
Connectivity
Ports
HDMI + Headphone + Microphone + Remote Control + USB 3.2 Gen 1
HDMI + Headphone + Microphone + Remote Control + USB 3.2 Gen 1
HDMI + Microphone + Remote Control + USB 2.0
Wireless Connectivity
802.11ac + Bluetooth 4.1 + NFC
802.11ac + Bluetooth
Construction
Adjustment | Tilt
Adjustable up 107 deg, down 41 deg
Form Factor
Mirrorless camera
Mirrorless camera
Compact camera with zoom lens
Image Size
Full frame (36 x 24 mm)
Full frame (35.7 x 23.8 mm)
1″ (13.2 x 8.8 mm)
Lens
ZEISS Vario-Sonnar T
Lens Mount
Leica L-mount
Sony E-mount
Material
Magnesium alloy
Microphone
Stereo
Stereo
Stereo
Sensor | Resolution
61 MP (9520 x 6328)
61 MP (9504 x 6336)
20 MP (5472 x 3648)
Sensor | Type
BSI-CMOS
BSI-CMOS
BSI-CMOS
Speakers
Mono
Mono
Mono
Dimensions
Size | Depth
45 mm / 1.77 in
78 mm / 3.07 in
44 mm / 1.73 in
Size | Height
70 mm / 2.76 in
96 mm / 3.78 in
60 mm / 2.36 in
Size | Width
113 mm / 4.45 in
129 mm / 5.08 in
105 mm / 4.13 in
Weight
427 g / 15.09 oz
665 g / 23.50 oz
294 g / 10.39 oz
Display
Display Diagonal
3.2 inch
3 inch
3 inch
Display Type
Fixed TFT LCD
Tilting TFT LCD
Fully articulated TFT LCD
Resolution
2,100,000 dots
1,440,000 dots
921,600 dots
Viewfinder | Coverage
100%
100%
Viewfinder | Magnification
0.83x
0.78x
Viewfinder | Resolution
3,680,000 dots
5,760,000 dots
Viewfinder | Type
Electronic (optional)
Electronic
None
Function
AE Bracketing
±3 (3, 5 frames at 1/3 EV steps)
±5 (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV steps)
±3 (3 frames at 1/3 EV steps)
Angle Of View
84.1° Diagonal | 73.7° Horizontal | 53.1° Vertical (wide) ~ 34.4° Diagonal | 28.8° Horizontal | 19.5° Vertical (tele)
Aperture
f/1.8 (wide) ~ f/2.8 (tele)
Autofocus
49 focus points
567 focus points
315 focus points
Crop Factor
1.0
1.0
2.7
Exposure Compensation
±5 (at 1/3 EV steps)
±5 (at 1/3 EV, 1/2 EV steps)
±3 (at 1/3 EV steps)
Exposure Mode
Auto / Aperture Priority / Shutter Priority / Manual
Auto / Aperture Priority / Shutter Priority / Manual
Auto / Aperture Priority / Shutter Priority / Manual
Filter
ND Filter: Auto / On (3 steps) / Off
Flash Sync Speed
Max. 1/15 sec
1/250 s
Focal Length
8.9 mm ~ 25.9 mm
Focal Length (35mm Equivalent)
24 mm ~ 70 mm
GPS
No
No
No
ISO Range
100 ~ 25600 (expands to 6 ~ 102400)
ISO 100 ~ 32000 (expands to 50 ~ 102800)
125 ~ 12800, extendable to 80 ISO ~ 25600 ISO
Image Stabilization
No
5.5 stops
Optical
Intervalometer
Yes
Yes
Yes
Operating Temperature
32 – 104 °F / 0 – 40 °C
Processor
Bionz X
Bionz X
Sensor
Back-illuminated Bayer CMOS sensor
Touch Screen
Yes
Yes
Yes
Video Codecs
MPEG-4, H.264
MPEG-4, XAVC S, H.264
MPEG-4, AVCHD, XAVC S
Video Recording
Up to 4K 30p / FHD 120p, up to 12bit | Via HDMI: Up to DCI 4K 24p / 4K 30p / FHD 120p, up to 12 bit RAW
4K 30p, 1080i
Weather Resistance
Yes
Yes
No
Zoom
2.9x optical zoom, Digital zoom available
Performance
Battery Life
240 shots
670 shots
260 shots
Battery Life | Stills
Approx. 240 images
530 shots (Viewfinder) / 670 shots (LCD)
Battery Life | Video
Approx. 60 min
90 min (Viewfinder) / 105 min (LCD)
Dynamic Range
15 stops
Max Burst Rate
10.0 fps
10.0 fps
24.0 fps
Min Focus Distance
50 mm / 1.97 in
Shutter Speed
30 to 1/8,000 sec., Bulb up to 300 sec.
1/8000 to 30 s
1/32000 s (electronic) / 1/2000 s (mechanical) ~ 30 s
Storage
SD/SDHC/SDXC (UHS-II supported)
Dual SD/SDHC/SDXC (UHS-II compatible)
SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo
Production
Availability
2021-04
Battery
BP-51 lithium-ion battery and charger
NP-FZ100 lithium-ion battery & charger
NP-BX1 lithium-ion battery & USB charger
Debut
2021-03-25
2019-07-16
2020-05-26
EAN Code
0085126 939038
Made In
Thailand
Model Name
ILCE-7RM4
Reviews
Neofiliac score
82%
85%
81%
Pros
- Good 10.0 fps burst rate
- Exceptionally compact
- Quite light
- Exceptionally high 61 MP resolution
- Weather-sealed
- Long battery life
- 5.5 stops of IBIS
- Good 10.0 fps burst rate
- Rather compact
- Exceptionally high 61 MP resolution
- Weather-sealed
- High resolution EVF
- Supports both WiFi and Bluetooth
- Fully articulated LCD
- Extraordinary 24.0 fps burst rate
- Very light
- Supports both WiFi and Bluetooth
Cons
- Poor battery life
- Viewfinder with low 0.78x magnification
- Poor battery life
- 125 base ISO
- Low 20 MP resolution
- Lacks weather sealing
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