Sony a68 vs Nikon D7100

This is a full comparison between the cameras Sony a68 and Nikon D7100. We compare them by looking at the categories you see below.

Manufacturing

Sony a68 is manufacturered by Sony but Nikon D7100 is from Nikon. Both Sony and Nikon are well known brands though.

Sony a68 were released 2015 and Nikon D7100 was released 2013. That is a 2 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Sony a68 2015
Nikon D7100 2013

Type of camera

Sensors / crop factor

These cameras have different sensors. Sony a68 has a "Sony APS-C"-sensor while Nikon D7100 has a "Nikon DX"-sensor, and their difference in sensors will also affect the crop factor and experience focal length. See the table below.

Camera Focal length, 50mm f/1.8 **
Sony a68 75 mm
Sony APS-C sensor
Crop factor/focal length multiplier by * 1.5
Nikon D7100 75 mm
Nikon DX sensor
Crop factor/focal length multiplier by * 1.5

** Experienced focal length when using a lens such as a common "50mm f/1.8"

Learn more about crop factor and focal length multiplier here:
Camera selection can affect the focal length (Sony)
Camera selection can affect the focal length (Nikon)

Resolution

Both these cameras have the exact same resolution. Sony a68 has a 24 MP (Megapixels) resolution while Nikon D7100 has 24,1 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Sony a68 24 MP
24000000 pixels
6000 x 4000
Nikon D7100 24,1 MP
24000000 pixels
6000 x 4000

ISO range

Sony a68 has a larger ISO-range than Nikon D7100. Sony a68 has an ISO range that stretches from 100 to 25600 while Nikon D7100 has 100 to 6400.

Camera ISO Range
Sony a68 100-25600
Nikon D7100 100-6400

Autofocus and lens compatibility

Both of these cameras have a built-in autofocus motor. Some lenses, that support autofocus, do not have an autofocus motor of their own but this won't cause any problems with these two cameras.

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Sony a68
Lens compatibility chart for Nikon D7100

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Sony a68 can shoot up to 8 pictures per seconds and Nikon D7100 can shoot up to 6 pictures per seconds.

Camera FPS (Frames per second)
Sony a68 8
Nikon D7100 6

Ability to record movies

It is becoming more and more popular to record movies with digital cameras.

In this case, both Sony a68 and Nikon D7100 can shoot movies.

Weight

The weight of the camera can be an extremely important factor, especially if the camera is about to be used, or carried around, for several hours at a time.

Nikon D7100 weighs 675 gr (equal to 1.49 lb) which is 11% heavier than Sony a68 and its 610 gr (or 1.34 lb).

Camera Weight
Sony a68 610 gr
1.34 lb
Nikon D7100 675 gr
1.49 lb

Sony a68 vs Nikon D7100 Specs

Below you will find the complete and detailed technical specs for both Sony a68 and Nikon D7100, next to each other. Each category of data is a link to an article covering the subject, giving you a deeper understanding so you can better understand the strengths and weaknesses of the two camera models.

Product
Sony a68
Nikon D7100
Name Sony a68 Nikon D7100
Manufacturer Sony Nikon
Release Date and Price
Sony a68
Nikon D7100
Release Year 2015 2013
Release Date 2015-11-05 2013-02-21
MSRP 599 USD 1199 USD
Buy it today
Camera Type
Sony a68
Nikon D7100
Camera Type SLT DSLR
Sensor
Sony a68
Nikon D7100
Sensor Size APS-C (approx 23.5 x 15.6 mm) APS-C (approx 23.7 x 15.5 mm)
Also known as "DX"
Sensor Type CMOS CMOS
Resolution 6000 x 4000 pixels 6000 x 4000 pixels
Megapixels 24 MP 24,1 MP
Image Processor Bionz X EXPEED 3
Image
Sony a68
Nikon D7100
ISO Range 100 - 25600 100 - 6400
White Balance Presets 9 12
Custom White Balance Yes Yes
Image Stabilization Yes
(Sensor-Shift)
No
Image Stabilization CIPA Rating 0 stops 0 stops
Uncompressed format RAW RAW
Optics & Focus
Sony a68
Nikon D7100
Autofocus Motor Yes Yes
Autofocus Contract Detect (sensor)
Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Face Detection
LiveView
Contract Detect (sensor)
Phase Detect
Multi Area
Center
Selective Single Point
Tracking
Single
Continuous
Face Detection
LiveView
Focus Points 79 51
Lens Mount Sony A

See Compatible Lenses
Nikon F

See Compatible Lenses
Focal Length Multiplier APS-C Sensor (1.5x)
1.5x multiplier
Example:
24 mm becomes 36 mm
50 mm becomes 75 mm
100 mm becomes 150 mm
200 mm becomes 300 mm
DX / APS-C (1.5x)
1.5x multiplier
Example:
24 mm becomes 36 mm
50 mm becomes 75 mm
100 mm becomes 150 mm
200 mm becomes 300 mm
Screen & Viewfinder
Sony a68
Nikon D7100
Articulated LCD Tilting Fixed
Screen size 2.7” 3,2”
Screen dots 460800 1228800
Touch screen No No
Screen type TFT LCD Wide Viewing Angle TFT-LCD monitor
Live view Yes Yes
Viewfinder Type Electronic Optical (pentaprism)
Viewfinder Coverage 100% 100%
Viewfinder Magnification 0.88× (0.59× 35mm equiv.) 0.94×
Viewfinder Resolution N/A N/A
Photography features
Sony a68
Nikon D7100
Frames per second 8 fps 6 fps
Minimum Shutter Speed 30 seconds 30 seconds
Maximum Shutter Speed 1/4000 seconds 1/8000 seconds
Built-in Flash Yes Yes
Built-in Flash Range 12 meters 12 meters
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse No Yes
Metering modes Multi
Center Weighted
Spot
Multi
Center Weighted
Spot
Average
Exposure Compensation +/- 5 (at 1/3 EV, 1/2 EV steps) +/- 5 (at 1/3 EV, 1/2 EV steps)
Videography features
Sony a68
Nikon D7100
Video recording Yes Yes
Video format MPEG4
XAVC-S
AVCHD
MPEG4
H.264
Video resolution 1440 x 1080
1920 x 1080
1280 x 720
1920 x 1080
Built-in Microphone Yes Yes
Built-in Speakers Yes Yes
Storage
Sony a68
Nikon D7100
Memory Card Memory Stick Pro Duo
SD/SDHC
SD/SDHC
Connectivity
Sony a68
Nikon D7100
HDMI Output Yes Yes
Microphone Port Yes Yes
Headphone Port No Yes
Wireless No Yes
Wireless WR-1 and WR-R10
Remote Control Yes (wired or smartphone) Yes (Optional, wired MC-DC2 or wireless WR-1 and WR-R10 )
GPS No Yes
Optional
Body & Dimensions
Sony a68
Nikon D7100
Enviromentally sealed No Yes
Battery Battery Pack Battery Pack
Battery Details NP-FM500H lithium-ion battery and charger
Lithium-Ion EN-EL15 rechargeable battery & charger
Battery Life (CIPA) 580 shots 950 shots
Width 143 mm 136 mm
Height 104 mm 107 mm
Depth 81 mm 76 mm
Weight 610 gram 675 gram