Thursday, September 11, 2014

Comparing the Sony A7 cameras


Specification Comparison

Sony A7 Sony A7r Sony A7s
Price (As of 9-11-14) $1,698.00 $2,298.00 $2,498.00
Pixels Actual: 24.7 MP
Effective: 24.3 MP
Actual: 36.8 MP
Effective: 36.4 MP
Actual: 12.4 MP
Effective: 12.2 MP
Max Resolution 6000 x 4000 7360 x 4912 4240 x 2832
Sensor Type / Size CMOS, 35.8 x 23.9mm CMOS, 35.8 x 23.9mm CMOS, 35.9 x 24mm
File Formats Still Images: JPEG, RAW Movies: MPEG-4 AVCHD Audio: AAC LC, AC3 Still Images: JPEG, RAW Movies: MPEG-4 AVCHD Audio: AAC LC, AC3 Still Images: JPEG, RAW Movies: MP4, MPEG-4 AVC/H.264 Audio: AAC LC, AC3, Dolby Digital 2ch, Linear PCM
Video Resolution 1920 x 1080: 60 fps, 24 fps 1440 x 1080: 30 fps 640 x 480: 30 fps 1920 x 1080: 60 fps, 24 fps 1440 x 1080: 30 fps 640 x 480: 30 fps 1920 x 1080: 60 fps, 30 fps, 24 fps
1280 x 720: 120 fps
1440 x 1080: 30 fps
640 x 480: 30 fps
Video Format N/A N/A High Definition
1920 x 1080p / 60 fps (50Mbps)
1920 x 1080p / 30 fps (50Mbps)
1920 x 1080p / 24 fps (50Mbps)

High Definition
1280 x 720p / 120 fps (50Mbps)

High Definition AVCHD
1920 x 1080p / 60 fps (28Mbps)
1920 x 1080i / 60 fps (24Mbps)
1920 x 1080i / 60 fps (17Mbps)

High Definition AVCHD
1920 x 1080p / 24 fps (24Mbps)
1920 x 1080p / 24 fps (17Mbps)

High Definition MP4
1440 x 1080p / 30 fps (12Mbps)
Standard Definition MP4
640 x 480p / 30 fps (3Mbps)
Focus Mode Continuous-servo AF (C)
Manual Focus (M)
Single-servo AF (S)
Continuous-servo AF (C)
Manual Focus (M)
Single-servo AF (S)
Continuous-servo AF (C) Direct Manual Focus (DMF) Manual Focus (M)
Single-servo AF (S)
Autofocus Points Phase Detection: 117 Contrast Detection: 25 Contrast Detection: 25 Contrast Detection: 25
Display Screen 3" Rear Screen Tilting Live Preview LCD (1,229,000) 3" Rear Screen Tilting Live Preview LCD (1,229,000) 3" Rear Touchscreen Tilting  LCD (921,600)
ISO Sensitivity Auto, 100-25600 (Extended Mode: 50-) Auto, 100-25600 (Extended Mode: 50- Auto, 100-102400 (Extended Mode: Auto, 50-409600)
Shutter Type: Electronic Speed: 30 - 1/8000 seconds
Type: Electronic Speed: 30 - 1/8000 seconds
Type: Electronic & Mechanical
Speed: 30 - 1/8000 sec, Bulb Mode
Type: Electronic & Mechanical
Speed: 1/4 - 1/8000 sec in Movie Mode
Exposure Mode Modes: Aperture Priority, Auto, Bulb, Manual, Movie, Programmed Auto, Scene Selection, Shutter Priority, Sweep Panorama Metering Range: EV 0.0 - EV 20.0 Compensation: -5 EV to +5 EV (in 1/3 or 1/2 EV steps) Modes: Aperture Priority, Auto, Bulb, Manual, Movie, Programmed Auto, Scene Selection, Shutter Priority, Sweep Panorama Metering Range: EV 0.0 - EV 20.0 Compensation: -5 EV to +5 EV (in 1/3 or 1/2 EV steps) Modes: Aperture Priority, Auto, Intelligent Auto, Manual, Movie, Programmed Auto, Scene Selection, Shutter Priority, Superior Auto, Sweep Panorama Metering Range: EV 3.0 - EV 20.0 Compensation: -5 EV to +5 EV (in 1/3 or 1/2 EV steps)
Photo Burst Rate Up to 5fps at 24.3 MP Up to 4 fps at 36.4 MP Up to 5 fps at 12.2 MP for up to 200 frames
Up to 2.5 fps at 12.2 MP for up to 200 frames

Basically it boils down to this when comparing the Sony A7, Sony A7r, and the Sony A7s:

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