Mirrorless


Nikon Z7 vs. Sony a7R III vs. Canon EOS R

September 5, 2018

By Greg Scoblete

Well, it’s on.

With the Nikon Z7 and Canon’s EOS R, two companies have risen to challenge Sony’s solo dominance of the full frame mirrorless market. While we haven’t had extensive time with the Z7 or EOS R yet, here’s how they compare to the a7R III on paper. (Read a full review of the Sony a7R III here.)

IMAGE SENSOR

Sony a7R III: 42-megapixel, no low-pass filter
Nikon Z7: 45.7-megapixel no low-pass filter
Canon EOS R: 30.3-megapixel

ISO RANGE

Sony a7R III: 100-32,000 (50-102,400 expandable)
Nikon Z7: 64-25,600 (32-102,400 expandable)
Canon EOS R: 100-40,000 (50-102,400 expandable)

AUTOFOCUSING

Sony a7R III: 399 phase detect and 425 contrast detect AF points
Nikon Z7: 493 hybrid phase detect/contrast detect points
Canon EOS R: 5,655 manually selectable phase-detect AF points, Dual Pixel CMOS

Low Light

Sony a7R III: metering to -3EV, focusing to -3EV
Nikon Z7: metering to -3EV, focusing to -1EV
Canon EOS R: metering to -3EV, focusing to -6EV

CONTINUOUS SHOOTING

Sony a7R III: 10fps (76 JPEGs and/or 28 RAW images)
Nikon Z7: 9fps
Canon EOS R: 8fps (AF-S)

VIDEO RECORDING

Sony a7R III: 4K/30p (3840 x 2160) with Hybrid Log Gamma & Slog2/3
Nikon Z7: 4K/30p (3840 x 2160) with 10-bit output, N-Log
Canon EOS R: 4K/30p (3840 x 2160) with 10-bit output; C-Log

BATTERY LIFE

Sony a7R III: 530 shots
Nikon Z7: 330 shots
Canon EOS R: N/A

CONNECTIVITY

Sony a7R III: Bluetooth, NFC, Wi-Fi, USB-C (3.1)
Nikon Z7: Bluetooth, Wi-Fi, USB-C (3.1)
Canon EOS R: Bluetooth, Wi-Fi, USB 3.1

MEMORY

Sony a7R III: 2 SD card slots
Nikon Z7: 1 XQD card slot
Canon EOS R: 1 SD card slot

WEIGHT

Sony a7R III: 23.2 ounces
Nikon Z7: 23.8 ounces
Canon EOS R: 23.3 ounces

PRICE

Sony a7R III: $3,000
Nikon Z7: $3,400
Canon EOS R: $2,300