Comparison of the Sony Alpha DSLR-A850 and the Sony Alpha a99 II
Sony Alpha DSLR-A850
53 points
Sony Alpha a99 II
89 points
Sony Alpha DSLR-A850
117 mm
156 mm
BODY
Sony Alpha a99 II
104 mm
143 mm
2009
YEARYear of announcement
2016
Magnesium alloy
BODY MATERIAL
Magnesium alloy
Weather
sealed
sealed
WEATHER SEALING
Weathersealed
Sony A
LENS MOUNT
Sony A
100 000 cycles
SHUTTER LIFEThe shutter durability as rated by the manufacturer.
300 000 cycles
895 g
1.97 lb
1.97 lb
156 x 117 x 82 mm
6.1 x 4.6 x 3.2 in.
6.1 x 4.6 x 3.2 in.
DIMENSIONS
& WEIGHTLength x Height x Width and the Weight incl. batteries and memory card
& WEIGHTLength x Height x Width and the Weight incl. batteries and memory card
DIMENS.
& WEIGHTLength x Height x Width and the Weight incl. batteries and memory card
& WEIGHTLength x Height x Width and the Weight incl. batteries and memory card
143 x 104 x 76 mm
5.6 x 4.1 x 3 in.
5.6 x 4.1 x 3 in.
849 g
1.87 lb
1.87 lb
Sony Alpha DSLR-A850
Sony Alpha a99 II
24.6 MP
Sony IMX028 Exmor CMOS Full Frame Sensor
SENSOR The number of effective megapixels (MP). Sensor manufacturer (if known) and sensor type.
SENSOR Sensor manufacturer (if known) and sensor type.
42.4 MP
Sony IMX251 Exmor R CMOS Full Frame Sensor
24.6 MP
EFFECTIVE MEGAPIX The number of effective megapixels (MP).
42.4 MP
35.9 x 24.0 mm
SENSOR SIZE
35.9 x 24.0 mm
6048 x 4032 pixels
MAX. RESOLUTIONMaximum still image resolution
MAX. RESOLUT.Maximum still image resolution
7952 x 5304 pixels
1x
CROP FACTORA 50mm lens on a camera with a crop factor of 1.5x would behave like a 75mm lens on a full-frame camera with a crop factor of 1x (50mm x 1.5 = 75mm)
1x
Bayer array
COLOR FILTER
Bayer array
5.96 μm
PIXEL PITCHThe center-to-center distance between two pixels (photosites) on a sensor. The larger the photosites, the more light they can capture and the lower is the level of visible "noise" in captured images.
4.5 μm
Fixed
LOW-PASS FILTERA low-pass filter blurs fine details of an image to eliminate the moiré and the color artifacts of finely patterned structures. Without a low-pass filter images will appear sharper, but there is also a risk of moiré occurring in certain scenes.
None
3:2
NATIVE
ASPECT RATIOThe width to height ratio of the "straight out of the camera" images. However, most modern digital cameras are capable of producing images in various aspect ratios.
ASPECT RATIOThe width to height ratio of the "straight out of the camera" images. However, most modern digital cameras are capable of producing images in various aspect ratios.
ASPECT RATIOThe width to height ratio of the "straight out of the camera" images. However, most modern digital cameras are capable of producing images in various aspect ratios.
3:2
Sony Alpha DSLR-A850
DXOMARK
SENSOR
SCOREAnalysis of the camera image quality by dxomark.comSony Alpha a99 II
79
OVERALL SCOREDXOMARK Sensor Overall Score shows a camera's sensor quality in terms of noise, ability to render high contrast, formation of colored noise, ability to shoot in low light.
92
12.2
DYNAMIC RANGEThe maximum dynamic range performance (DXOMARK Landscape Score) in exposure value (EV)
13.4
1415
LOW-LIGHT ISOThe low-light sensitivity performance (DXOMARK Sports Score) in ISO sensitivity value
2317
Sony Alpha DSLR-A850
Sony Alpha a99 II
COVERAGE:
98 %
98 %
REAL SIZE:
0.74
0.74
VIEWFINDERThe viewfinder frame COVERAGE in percent and the real viewfinder SIZE (VF magnification corrected by the crop factor of a camera — this way cameras with different sensor sizes can be compared).
COVERAGE:
100 %
100 %
REAL SIZE:
0.78
0.78
Optical (pentaprism)
VF TYPE
Electronic (2 359 296 dot OLED)
Fixed
921 600 dot LCD
921 600 dot LCD
REAR SCREEN
Articulated
1 228 800 dot LCD
1 228 800 dot LCD
3 inch
SCREEN SIZE
3 inch
LIVE VIEW & TOUCH SCREEN
TOP LCD PANELLCD panel on top of the camera which provides information about the current camera settings.
Sony Alpha DSLR-A850
Sony Alpha a99 II
Phase detection
AUTOFOCUS SYSTEM
AF SYSTEM
Phase detection
9
9
FOCUS POINTSAutofocus points
as shown in the figures below:
° linear sensors
° cross-type sensors
° dual cross-type sensors
contrast autofocus areas
as shown in the figures below:
° linear sensors
° cross-type sensors
° dual cross-type sensors
contrast autofocus areas
399
399
1
CROSS-TYPE FOCUS POINTS
CROSS-TYPE FP
79
0
EV
100
The minimum exposure value of the AF working range (at 23°C and ISO 100). The smaller this value, the less light is needed for normal autofocus operation.-4
6 %
AF COVERAGEFrame coverage by AF sensors in percent.
50 %
Yes
IN-BODY
AF MOTORAn in-body AF motor gives the ability to auto-focus with older lenses which don't have their own motors.
AF MOTORAn in-body AF motor gives the ability to auto-focus with older lenses which don't have their own motors.
Yes
Sensor shift
IN-BODY IMAGE STABILIZATION
IMAGE STABILIZ.
5-axis sensor shift
Sony Alpha DSLR-A850
Sony Alpha a99 II
Dual BIONZ MA07170
IMAGE
PROCESSOR
PROCESSOR
BIONZ X CXD4236
12 bit RAW, JPEG
OUTPUT FORMATS
14 bit RAW, JPEG
Auto, 100 - 6400
ISO SENSITIVITY
Auto, 100 - 25600
(can be extended to ISO 50 - 102400)
(can be extended to ISO 50 - 102400)
3
fps
fps
CONTINUOUS DRIVEMaximum frames per second (fps) in continuous drive mode when using the mechanical shutter.
CONT. DRIVEMaximum frames per second (fps) in continuous drive mode when using the mechanical shutter.
12
fps
fps
34 JPEG shots
16 RAW shots
16 RAW shots
MAX. BURSTMaximum number of shots in high-speed continuous drive mode until the buffer is full.
60 JPEG shots
25 RAW shots
25 RAW shots
No Video Mode
MAX. VIDEO RESOLUTION
VIDEO
2160p @ 30 fps (4K)
-3/+3 EV (in 1/3 or 1/2 EV steps)
EXPOSURE COMPENSATION
EXPOSURE COMPENS.
-5/+5 EV (in 1/3 or 1/2 EV steps)
Bulb,
30 sec → 1/8000 sec
30 sec → 1/8000 sec
SHUTTER SPEED Maximum and minimum possible exposure time in seconds.
Bulb,
30 sec → 1/8000 sec
30 sec → 1/8000 sec
Sony Alpha DSLR-A850
Sony Alpha a99 II
X-SYNC:
1/250
No
built-in
flash
built-in
flash
No
flash
BUILT-IN FLASH
No
built-in
flash
built-in
flash
No
flash
X-SYNC:
1/250
Yes
HOT SHOE
Yes
USB 2.0 (480 Mbit/sec)
USB
USB 2.0 (480 Mbit/sec)
HDMI
CONNECTIONS
CONNECT.
Microphone port, Headphone port, HDMI
BUILT-IN
DEVICES
DEVICES
Compact Flash (Type I or II), UDMA, Memory Stick Duo / Pro Duo
STORAGE TYPES
SD, SDHC, SDXC (UHS-I compatible), Sony Memory Sticks
2
CARD SLOTS
2
880
shots
shots
BATTERY LIFEMaximum number of images that can be shot per single battery charge (according to CIPA).
390
shots
shots
