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Sony A7R III versus Panasonic FZ1000

The Sony Alpha A7R III and the Panasonic Lumix DMC-FZ1000 are two digital cameras that were announced, respectively, in October 2017 and June 2014. The A7R III is a mirrorless interchangeable lens camera, while the FZ1000 is a fixed lens compact. The cameras are based on a full frame (A7R III) and an one-inch (FZ1000) sensor. The Sony has a resolution of 42.2 megapixel, whereas the Panasonic provides 20 MP. Read on to find out how these two cameras compare with respect to their size, their sensors, their features, and their reception by expert reviewers.

Body comparison: Sony A7R III vs Panasonic FZ1000

An illustration of the physical size and weight of the Sony A7R III and the Panasonic FZ1000 is provided in the side-by-side display below. Three successive views from the front, the top, and the rear are shown. All width, height and depth dimensions are rounded to the nearest millimeter. If you prefer, you can also use the toggle button to switch to a comparison in percentage terms (in this case, the camera on the left – the A7R III – represents the basis or 100 percent across all the size and weight measures).

Snapsort Sony A7R III vs Panasonic FZ1000
Compare A7R III versus FZ1000 top
Compare A7R III and FZ1000 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic FZ1000 is notably larger (11 percent) than the Sony A7R III. It is worth mentioning in this context that the A7R III is splash and dust resistant, while the FZ1000 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the FZ1000 has a lens build in, whereas the A7R III is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can find an overview of optics for the A7R III and their specifications in the Sony FE Lens Catalog.

Concerning battery life, the A7R III gets 650 shots out of its NP-FZ100 battery, while the FZ1000 can take 360 images on a single charge of its DMW-BLC12 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you want to switch the focus of the display and review another camera pair, just select a new right or left comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Sony A7R III» 5.0 in 3.8 in 2.9 in 22.9 oz 650 Y Oct 2017 3,199 i i
Panasonic FZ1000« 5.4 in 3.9 in 5.2 in 29.3 oz 360 n Jun 2014 899- i
Hasselblad X1D« » 5.9 in 3.9 in 2.8 in 25.6 oz .. Y Jun 2016 8,995 i i
Panasonic FZ2500« » 5.4 in 4.0 in 5.3 in 32.3 oz 350 n Sep 2016 1,199 i i
Panasonic LX100« » 4.5 in 2.6 in 2.2 in 13.9 oz 300 n Sep 2014 899 i i
Sony A7 III« » 5.0 in 3.8 in 2.9 in 22.9 oz 610 Y Feb 2018 1,999 i i
Sony A9« » 5.0 in 3.8 in 2.5 in 23.7 oz 650 Y Apr 2017 4,499 i i
Sony A99 II« » 5.6 in 4.1 in 3.0 in 29.9 oz 490 Y Sep 2016 3,199 i i
Sony A6500« » 4.7 in 2.6 in 2.1 in 16.0 oz 350 Y Oct 2016 1,399 i i
Sony A7R II« » 5.0 in 3.8 in 2.4 in 22.0 oz 290 Y Jun 2015 3,199- i
Sony A7S II« » 5.0 in 3.8 in 2.4 in 22.1 oz 370 Y Sep 2015 2,999 i i
Sony RX100 IV« » 4.0 in 2.3 in 1.6 in 10.5 oz 280 n Jun 2015 999- i
Sony A7 II« » 5.0 in 3.8 in 2.4 in 21.1 oz 350 Y Nov 2014 1,999- i
Sony RX100 III« » 4.0 in 2.3 in 1.6 in 10.2 oz 320 n May 2014 799- i
Sony A7R« » 5.0 in 3.7 in 1.9 in 16.4 oz 340 Y Oct 2013 2,299- i
Sony RX100 II« » 4.0 in 2.3 in 1.5 in 9.9 oz 350 n Jun 2013 749- i
Sony A99« » 5.8 in 4.4 in 3.1 in 28.6 oz 500 Y Sep 2012 2,799- i

The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The FZ1000 was launched at a lower price than the A7R III, despite having a lens build in. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

 

Sensor comparison: Sony A7R III vs Panasonic FZ1000

The size of the imaging sensor is a crucial determinant of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color depth than smaller pixel-units in a sensor of the same technological generation. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Sony A7R III features a full frame sensor and the Panasonic FZ1000 an one-inch sensor. The sensor area in the FZ1000 is 87 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 2.7. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Sony A7R III and Panasonic FZ1000 sensor measures

With 42.2MP, the A7R III offers a higher resolution than the FZ1000 (20MP), but the A7R III nevertheless has larger individual pixels (pixel pitch of 4.52μm versus 2.41μm for the FZ1000) due to its larger sensor. Moreover, the A7R III is a somewhat more recent model (by 3 years and 4 months) than the FZ1000, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the A7R III has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

Unlike the FZ1000, the A7R III has the capacity to capture high quality composite images by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

A7R III versus FZ1000 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under review, the A7R III provides substantially higher image quality than the FZ1000, with an overall score that is 36 points higher. This advantage is based on 3.9 bits higher color depth, 3 EV in additional dynamic range, and 2.8 stops in additional low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

Sensor Characteristics
  Camera Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Sony A7R III» Full Frame 42.2 7952 53044K/30p26.014.73523100
Panasonic FZ1000« 1-inch 20.0 5472 36484K/30p22.111.751764
Hasselblad X1D« » Medium Format 51.3 8272 62001080/25p26.214.84489102
Panasonic FZ2500« » 1-inch 20.0 5472 36484K/30p----
Panasonic LX100« » Four Thirds 12.7 4112 30884K/30p22.312.555367
Sony A7 III« » Full Frame 24.0 6000 40004K/30p25.014.7373096
Sony A9« » Full Frame 24.0 6000 40004K/30p24.913.3351792
Sony A99 II« » Full Frame 42.2 7952 53044K/30p25.413.4231792
Sony A6500« » APS-C 24.0 6000 40004K/30p24.513.7140585
Sony A7R II« » Full Frame 42.2 7952 53044K/30p26.013.9343498
Sony A7S II« » Full Frame 12.0 4240 28324K/30p23.613.3299385
Sony RX100 IV« » 1-inch 20.0 5472 36484K/30p22.812.659170
Sony A7 II« » Full Frame 24.0 6000 40001080/60p24.913.6244990
Sony RX100 III« » 1-inch 20.0 5472 36481080/60p22.412.349567
Sony A7R« » Full Frame 36.2 7360 49121080/60p25.614.1274695
Sony RX100 II« » 1-inch 20.0 5472 36481080/60p22.512.448367
Sony A99« » Full Frame 24.0 6000 40001080/60p25.014.0155589

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, and both provide the same movie specifications (4K/30p).

 

Feature comparison: Sony A7R III vs Panasonic FZ1000

Beyond body and sensor, cameras can and do differ across a range of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the A7R III offers a substantially higher resolution than the one in the FZ1000 (3686k vs 2359k dots). The adjacent table lists some of the other core features of the Sony A7R III and Panasonic FZ1000 along with similar information for a selection of comparators. If you need more detail on the specs, you can find comprehensive listings, for example, in the dpreview camera hub.

Core Features
  Camera Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec))
Build-in
Flash
(yes/no)
Build-in
Image
Stab
Sony A7R III»3686 n 3.0 1440 tilting Y 8000 10.0 n Y
Panasonic FZ1000«2359 n 3.0 921 swivel n 4000 12.0 Y Y
Hasselblad X1D« »2360 n 3.0 920 fixed Y 2000 2.3 n n
Panasonic FZ2500« »2360 n 3.0 1040 swivel Y 4000 12.0 Y Y
Panasonic LX100« »2764 n 3.0 921 fixed n 4000 11.0 n Y
Sony A7 III« »2359 n 3.0 922 tilting Y 8000 10.0 n Y
Sony A9« »3686 n 3.0 1440 tilting Y 8000 20.0 n Y
Sony A99 II« »2400 Y 3.0 1229 full-flex n 8000 12.0 n Y
Sony A6500« »2300 n 3.0 922 tilting Y 4000 11.0 Y Y
Sony A7R II« »2400 n 3.0 1229 tilting n 8000 5.0 n Y
Sony A7S II« »2400 n 3.0 1229 tilting n 8000 5.0 n Y
Sony RX100 IV« »2359 n 3.0 1228 tilting n 2000 16.0 Y Y
Sony A7 II« »2400 n 3.0 1230 tilting n 8000 5.0 n Y
Sony RX100 III« »1440 n 3.0 1229 tilting n 2000 10.0 Y Y
Sony A7R« »2400 n 3.0 1230 tilting n 8000 4.0 n n
Sony RX100 II« »- n 3.0 1229 tilting n 2000 10.0 Y Y
Sony A99« »2359 Y 3.0 1229 full-flex n 8000 6.0 n Y

The A7R III is a current model that online retailers, such as amazon, will have in stock. In contrast, the FZ1000 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the FZ1000 was succeeded by the Panasonic FZ2500.

Review summary: Sony A7R III vs Panasonic FZ1000

So how do things add up? Is there a clear favorite between the Sony A7R III and the Panasonic FZ1000? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Sony Alpha A7R III:

  • More detail: Offers more megapixels (42.2 vs 20MP) with a 45% higher linear resolution.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • High quality composites: Can combine several shots after pixel-shifting its sensor.
  • Better image quality: Scores substantially higher (36 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (3.9 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (3 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (2.8 stops ISO advantage).
  • More detailed viewfinder: Has higher resolution electronic viewfinder (3686k vs 2359k dots).
  • More detailed LCD: Has a higher resolution rear screen (1440k vs 921k dots).
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster shutter: Has higher mechanical shutter speed (8000/sec vs 4000/sec) to freeze action.
  • More flexible: Accepts interchangeable lenses, so that lens characteristics can be altered.
  • Longer lasting: Can take more shots (650 versus 360) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • More modern: Reflects 3 years and 4 months of technical progress since the FZ1000 launch.

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Advantages of the Panasonic Lumix DMC-FZ1000:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • More flexible LCD: Has swivel screen for odd-angle shots in portrait or landscape orientation.
  • Faster burst: Shoots at higher frequency (12 vs 10 flaps/sec) to capture the decisive moment.
  • Ready to shoot: Has an integrated lens, whereas the A7R III necessitates an extra lens.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was introduced at a lower price, despite coming with a build-in lens.
  • More heavily discounted: Has been around for much longer (launched in June 2014).

If the count of relative strengths (bullet points above) is taken as a measure, the A7R III is the clear winner of the match-up (15 : 7 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision.

A7R III 15:07 FZ1000

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the A7R III or the FZ1000 handle or perform in practice. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased. This is where reviews by experts come in. The table below summarizes the assessments of some of the best known camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). The full reviews are available by clicking on the site logo in the table header.

Review scores
  Camera cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Sony A7R III»HiRec90/1004.5/55/55/5 Oct 2017 3,199 i i
Panasonic FZ1000«HiRec82/1004.5/54.5/54.5/5 Jun 2014 899- i
Hasselblad X1D« »rev---4/5 Jun 2016 8,995 i i
Panasonic FZ2500« »Rec82/1004.5/54.5/55/5 Sep 2016 1,199 i i
Panasonic LX100« »HiRec85/1005/54/55/5 Sep 2014 899 i i
Sony A7 III« »HiRec89/1005/5-5/5 Feb 2018 1,999 i i
Sony A9« »HiRec89/1005/55/55/5 Apr 2017 4,499 i i
Sony A99 II« »-85/1004.5/54.5/54.5/5 Sep 2016 3,199 i i
Sony A6500« »HiRec85/1004.5/55/54.5/5 Oct 2016 1,399 i i
Sony A7R II« »HiRec90/1005/54.5/55/5 Jun 2015 3,199- i
Sony A7S II« »Rec-4.5/55/55/5 Sep 2015 2,999 i i
Sony RX100 IV« »HiRec85/1004/54.5/54.5/5 Jun 2015 999- i
Sony A7 II« »Rec82/1004.5/55/55/5 Nov 2014 1,999- i
Sony RX100 III« »HiRec82/1004.5/54.5/55/5 May 2014 799- i
Sony A7R« »HiRec82/1004.5/55/55/5 Oct 2013 2,299- i
Sony RX100 II« »HiRec79/1004.5/55/54.5/5 Jun 2013 749- i
Sony A99« »-84/1004.5/5rev4.5/5 Sep 2012 2,799- i

The above review scores should be interpreted with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

 

Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just use the search menu below. An an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool. If the camera you are interested in is not available, kindly get in touch, and I will try to locate and add the respective data to the application.

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