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Sony Alpha
A7 III Camera Review

Technical Specifications

Full model name:

Sony Alpha A7 III Mirrorless ILCE-7RM3


42.4 Megapixels

Sensor size:

35mm (35.9mm x 24.0mm)

Kit Lens:

f/4 24-105mm or or f/4 24-70 or f/2.8 24-70mm


Electronic, 3.687MP

Native ISO:

100 – 32,000

Extended ISO:

50 - 102,400


1/8000 - 30 seconds in bulb mode, 1/4 - 1/8000 in movie mode


5.0 x 3.8 x 2.9"
(126.9 x 95.6 x 73.7 mm)


23.2 oz (657 g)
includes batteries





Full specs:

Sony A7 III specifications

About Sony Alpha A7 III

Early this year the massively successful A7II got a successor. This model has several advancements including some of the features from the A7R III and the A9. It is still a very similar camera to the A7II, but it has an improved autofocus and improved battery life to start. Designed to lure photographers away from heavier DSLR Sony has so far been leading the field with its impressive Alpha models. The inclusion of 4k and good videography features also has professional videographers interested in this model, capable of recording 10fps with a much-improved autofocus.

Features – Sony Alpha A7III

  • Compact, durable, and self-contained 4K30p video recording with S-Log3 Gammas
  • 42.4 Megapixel full-frame BionzX sensor
  • 425 Focusing points with a 693 point hybrid system
  • 2.6M Dot Tru-Finder EVF
  • 3.0” 922k Dot Tilting Touchscreen LCD
  • 5-axis Steady Shot INSIDE stabilization
  • Weather Sealed
  • USB-C, hot shoe, wifi capable

What’s New

  • Improved dynamic range and less noise
  • 425 contrast-detect autofocus
  • Altered button layout (more like the A9)
  • Improved Autofocus
  • Improved battery/larger battery
  • Dual SD Slots
  • Improved shutter to reduce shutter shake
  • Pixel shift mode

Who Should Buy

The SONY A7III model is ideal for avid photographers or videographers who want professional-level features but can’t quite justify the high price of a full-frame digital SLR. The inclusion of quality videography specs means switching between both modes without changing gear is effortless and photographers who are interested in both should look at this model. It’s ideal for both enthusiast and amateurs as well since the price tag is still well below a pro-level DSLR. The great thing about a mirrorless body has to be the weight; this means this model is also great for people who struggle with hand holding or who can’t carry a heavyweight DSLR for long periods.

How to Use – Get, Set, and Click

  • 1Insert the battery into the camera. You can charge it while it’s in using the cable or on a separate external charger.
  • 2Insert a memory card.
  • 3Attach a lens by aligning the two white marks on the lens and camera. Push the lens into the body and slowly turn until it clicks to lock into position.
  • 4Turn the camera on by pressing the power switch on the right side.
  • 5Turn the control dial on the top to auto or preferred mode.
  • 6Look into the viewfinder or use the monitor and hold the camera. Rotate the zoom ring of the lens until the subject size is achieved in the frame.
  • 7Press the shutter button halfway down to focus then all the way down to click the picture.

Must-Have Accessories for
Sony Alpha A7 III

FE 24-105mm f/4 G OSS Lens
FE 24-105mm f/4 G OSS Lens
  • The standard versatile lens if you choose to buy the body only.
  • Wide angle and short zoom cover most “daily” photography needs.
  • Aspherical and ELD glass
  • Used for general photography, portraits, some landscape, macro
  • Mostly used by amateur and enthusiasts who don’t want to spend more for the f/2.8 version
  • $1298
Godox TT350s Mini Thinklite TTL Flash
Godox TT350s Mini Thinklite TTL Flash
  • Fully featured Speedlite which supports HSS with a built-in Radio system.
  • Lightweight to match the mirrorless body
  • Used for night/low light photography and fill light.
  • Mostly used by photographers looking to improve the quality of their images in low light situations or who want a portable lighting source with OCF without having to move strobes.
  • $85
Sony VG-C3EM Vertical Grip
Sony VG-C3EM Vertical Grip
  • Double the battery life without changing the controls.
  • Extended battery and more comfortable grip when shooting vertical. Also includes second shutter button and is weather sealed.
  • Ideal for long shooting sessions.
  • Mostly used by photographers who know they don’t have time to change batteries such as sports photographers and wedding photographers
  • $348

Similar Products to Watch Out For

  • EOS-1D C
  • X-T20
  • D7200
    NIKON D7200
  • ALPHA A7

Final Thoughts

Score 4.8SONY Alpha A7 III


  • Sony’s intermediate answer for the mirrorless market. Cheaper yet very similar to the A7R III professional model.
  • Lightweight with impressive tech.
  • Impressive autofocus system and image stability.
  • Fast


  • Limited accessories available
  • Not very compatible with adapters for existing tech.
  • Not including a battery charger (must be purchased separately????)
  • User menu accessibility could be better.