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Leica M Typ 240 versus Sony A7

The Leica M (Typ 240) and the Sony Alpha A7 are two enthusiast cameras that were officially introduced, respectively, in September 2012 and October 2013. The M Typ 240 is a fixed lens compact, while the A7 is a rangefinder-style mirrorless. Both cameras are equipped with a full frame sensor. The Leica has a resolution of 23.7 megapixel, whereas the Sony provides 24 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: Leica M Typ 240 vs Sony A7

The side-by-side display below illustrates the physical size and weight of the Leica M Typ 240 and the Sony A7. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth dimensions are rounded to the nearest millimeter. You can also use the toggle button to switch to a percentage comparison if you prefer that the measures are being expressed in relative terms (in this case, the camera on the left – the M Typ 240 – represents the basis or 100 percent across all the size and weight measures).

Compare Leica M Typ 240 vs Sony A7
M Typ 240 versus A7 top view
M Typ 240 and A7 rear side
Body view (M Typ 240 on the left)

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A7 is notably larger (7 percent) than the Leica M Typ 240. However, the A7 is markedly lighter (30 percent) than the M Typ 240. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. Both cameras have similarly sized sensors, but DSLRs have a larger flange-to-focal plane distance than mirrorless cameras, which imposes contraints on the optical engineering process and generally leads to bigger and heavier lenses. You can find an overview of optics for the two cameras in the Leica M Lens Catalog (M Typ 240) and the Sony FE Lens Catalog (A7).

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 Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(y/n)
Camera
Launch
(year)
Launch
Price
(USD)
Street
Price
(amazon)
Used
Price
(ebay)
Leica M Typ 240 (⇒ rgt) 139 mm 80 mm 42 mm 680 g .. YES 2012 6,950discont. check
Sony A7 (⇒ lft) 127 mm 94 mm 48 mm 474 g 340 YES 2013 1,699discont. check
Canon 1D X Mark II (⇒ lft | rgt) 158 mm 168 mm 83 mm 1530 g 1210 YES 2016 5,999 latest check
Canon 6D (⇒ lft | rgt) 145 mm 111 mm 71 mm 770 g 1090 YES 2012 2,099discont. check
Leica M10 (⇒ lft | rgt) 139 mm 80 mm 39 mm 660 g 210 no 2017 6,595 latest check
Leica SL (⇒ lft | rgt) 147 mm 104 mm 39 mm 847 g 400 YES 2015 7,450 latest check
Leica M Typ 262 (⇒ lft | rgt) 139 mm 80 mm 42 mm 680 g .. YES 2015 5,195discont. check
Leica M9 (⇒ lft | rgt) 139 mm 80 mm 37 mm 585 g .. no 2009 7,999discont. check
Nikon D5 (⇒ lft | rgt) 160 mm 159 mm 92 mm 1415 g 3780 YES 2016 6,499 latest check
Nikon D7100 (⇒ lft | rgt) 136 mm 107 mm 76 mm 765 g 950 YES 2013 1,199discont. check
Nikon D610 (⇒ lft | rgt) 141 mm 113 mm 82 mm 850 g 900 YES 2013 1,999 latest check
Panasonic GH4 (⇒ lft | rgt) 133 mm 93 mm 84 mm 560 g 500 YES 2014 1,499discont. check
Sony A7 II (⇒ lft | rgt) 127 mm 96 mm 60 mm 599 g 350 YES 2014 1,999discont. check
Sony A7S (⇒ lft | rgt) 127 mm 94 mm 48 mm 489 g 380 YES 2014 2,499discont. check
Sony A7R (⇒ lft | rgt) 127 mm 94 mm 48 mm 465 g 340 YES 2013 2,299discont. check
Sony RX10 (⇒ lft | rgt) 129 mm 88 mm 102 mm 813 g 420 YES 2013 1,299discont. check

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 A7 was launched at a markedly lower price (by 76 percent) than the M Typ 240, which puts it into a different market segment. 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: Leica M Typ 240 vs Sony A7

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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 tend to be more expensive and lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature a full frame sensor and have a format factor (sometimes also referred to as "crop factor") of 1.0. Within the spectrum of camera sensors, this places the review cameras among the large-sensor cameras that aim for top notch image quality. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Leica M Typ 240 and Sony A7 sensor measures
Sensor size

While the two cameras under review share the same sensor size, the A7 offers a slightly higher resolution of 24 megapixel, compared with 23.7 MP of the M Typ 240. This megapixel advantage translates into a 0.8 percent gain in linear resolution. On the other hand, these sensor specs imply that the A7 has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 5.97μm versus 6.01μm for the M Typ 240). However, it should be noted that the A7 is a somewhat more recent model (by 1 year) than the M Typ 240, and its sensor might have benefitted from technological advances during this time that at least partly compensate for the smaller pixel size.

M Typ 240 versus A7 MP
Sensor resolution

Consistent information on actual sensor performance is available from DXO Mark for most cameras. 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 consideration, the A7 has a markedly higher DXO score than the M Typ 240 (overall score 6 points higher), which will translate into better image quality. The advantage is based on 0.8 bits higher color depth, 0.9 EV in additional dynamic range, and 0.3 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
(Megapixel)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Leica M Typ 240 (⇒ rgt) Full Frame 23.7 5952 3976 1080/25p 24.0 13.3 1860 84
Sony A7 (⇒ lft) Full Frame 24.0 6000 4000 1080/60p 24.8 14.2 2248 90
Canon 1D X Mark II (⇒ lft | rgt) Full Frame 20.0 5472 3648 4K/60p 24.1 13.5 3207 88
Canon 6D (⇒ lft | rgt) Full Frame 20.0 5472 3648 1080/30p 23.8 12.1 2340 82
Leica M10 (⇒ lft | rgt) Full Frame 23.8 5952 3992 no 24.4 13.2 2133 86
Leica SL (⇒ lft | rgt) Full Frame 24.0 6000 4000 4K/30p 25.0 13.4 1821 88
Leica M Typ 262 (⇒ lft | rgt) Full Frame 23.7 5952 3976 no - - - -
Leica M9 (⇒ lft | rgt) Full Frame 18.1 5212 3472 no 22.5 11.7 884 69
Nikon D5 (⇒ lft | rgt) Full Frame 20.7 5588 3712 4K/30p 25.1 12.3 2343 88
Nikon D7100 (⇒ lft | rgt) APS-C 24.0 6000 4000 1080/60p 24.2 13.7 1256 83
Nikon D610 (⇒ lft | rgt) Full Frame 24.2 6016 4016 1080/30p 25.1 14.4 2925 94
Panasonic GH4 (⇒ lft | rgt) Four Thirds 15.9 4608 3456 4K/30p 23.2 12.8 791 74
Sony A7 II (⇒ lft | rgt) Full Frame 24.0 6000 4000 1080/60p 24.9 13.6 2449 90
Sony A7S (⇒ lft | rgt) Full Frame 12.0 4240 2832 1080/60p 23.9 13.2 3702 87
Sony A7R (⇒ lft | rgt) Full Frame 36.2 7360 4912 1080/60p 25.6 14.1 2746 95
Sony RX10 (⇒ lft | rgt) 1-inch 20.0 5472 3648 1080/60p 22.9 12.6 474 69

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the A7 provides a faster frame rate than the M Typ 240. It can shoot movie footage at 1080/60p, while the Leica is limited to 1080/25p.

Feature comparison: Leica M Typ 240 vs Sony A7

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the A7 has an electronic viewfinder (2400k dots), while the M Typ 240 has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The following table reports on some other key feature differences and similarities of the Leica M Typ 240, the Sony A7, and comparable cameras. 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
(Y/n)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(Y/n)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec))
Build-in
Flash
(GN)
Build-in
Image
Stab
Leica M Typ 240 (⇒ rgt) optical no 3.0 920 fixed no 4000 3.0 no no
Sony A7 (⇒ lft) 2400 no 3.0 1230 tilting no 8000 5.0 no no
Canon 1D X Mark II (⇒ lft | rgt) optical YES 3.2 1620 fixed YES 8000 16.0 no no
Canon 6D (⇒ lft | rgt) optical YES 3.0 1040 fixed no 4000 4.5 no no
Leica M10 (⇒ lft | rgt) optical no 3.0 1037 fixed no 4000 5.0 no no
Leica SL (⇒ lft | rgt) 4400 YES 3.0 1040 fixed YES 8000 11.0 no no
Leica M Typ 262 (⇒ lft | rgt) optical no 3.0 921 fixed no 4000 3.0 no no
Leica M9 (⇒ lft | rgt) optical no 2.5 230 fixed no 4000 2.0 no no
Nikon D5 (⇒ lft | rgt) optical YES 3.2 2359 fixed YES 8000 14.0 no no
Nikon D7100 (⇒ lft | rgt) optical YES 3.2 1229 fixed no 8000 6.0 12 no
Nikon D610 (⇒ lft | rgt) optical YES 3.2 921 fixed no 4000 6.0 12 no
Panasonic GH4 (⇒ lft | rgt) 2359 no 3.0 1036 swivel YES 8000 12.0 17 no
Sony A7 II (⇒ lft | rgt) 2400 no 3.0 1230 tilting no 8000 5.0 no YES
Sony A7S (⇒ lft | rgt) 2400 no 3.0 921 tilting no 8000 5.0 no no
Sony A7R (⇒ lft | rgt) 2400 no 3.0 1230 tilting no 8000 4.0 no no
Sony RX10 (⇒ lft | rgt) 1440 YES 3.0 1229 tilting no 3200 10.0 10.2 YES

Both the M Typ 240 and the A7 have been discontinued, but can regularly be found used on eBay. The M Typ 240 was replaced by the Leica M Typ 262, while the A7 was followed by the Sony A7 II.

Review summary: Leica M Typ 240 vs Sony A7

So how do things add up? Which of the two cameras – the Leica M Typ 240 or the Sony A7 – has the upper hand? The listing below highlights the relative strengths of the two models.


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Reasons to prefer the Leica M (Typ 240):

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • More prestigious: Has the Leica luxury appeal, which ensures a high resale price.
  • More heavily discounted: Has been on the market for longer (launched in September 2012).

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Arguments in favor of the Sony Alpha A7:

  • Better image quality: Scores markedly higher (6 points) in the DXO overall evaluation.
  • More dynamic range: Captures a broader range of light and dark details (0.9 EV of extra DR).
  • Better video: Provides higher movie framerates (1080/60p versus 1080/25p).
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More detailed LCD: Has a higher resolution rear screen (1230k vs 920k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (8000/sec vs 4000/sec) to freeze action.
  • Faster burst: Shoots at higher frequency (5 vs 3 flaps/sec) to capture the decisive moment.
  • Less heavy: Has a lower weight (by 206g or 30 percent) and is thus easier to take along.
  • More affordable: Was introduced into a lower priced category (76 percent cheaper at launch).
  • More modern: Was introduced somewhat (1 year) more recently.

If the count of individual advantages (bullet points above) is taken as a guide, the A7 is the clear winner of the contest (11 : 3 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.

M Typ 240 03:11 A7

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it says nothing about, for example, the handling, responsiveness, and overall imaging quality of the M Typ 240 and the A7 in practical situations. 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 following table reports the overall rankings of the cameras as published by some of the major camera review sites. The full reviews are available, respectively, at cameralabs.com, dpreview.com, ephotozine.com, imaging-resource.com, and photographyblog.com.

Review scores
Camera camera
labs
.com
dp
review
.com
ephoto
zine
.com
imaging
resource
.com
photography
blog
.com
Camera
Launch
(year)
Launch
Price
(USD)
Street
Price
(amazon)
Used
Price
(ebay)
Leica M Typ 240 (⇒ rgt) - - 4/5 - - 2012 6,950discont. check
Sony A7 (⇒ lft) HiRec 80/100 Silver 5/5 4.5/5 5/5 2013 1,699discont. check
Canon 1D X Mark II (⇒ lft | rgt) - 89/100 Gold 4.5/5 5/5 4.5/5 2016 5,999 latest check
Canon 6D (⇒ lft | rgt) HiRec 83/100 Silver 4.5/5 4.5/5 4.5/5 2012 2,099discont. check
Leica M10 (⇒ lft | rgt) - - 4/5 - 4.5/5 2017 6,595 latest check
Leica SL (⇒ lft | rgt) - 84/100 4.5/5 4/5 4/5 2015 7,450 latest check
Leica M Typ 262 (⇒ lft | rgt) - - - - - 2015 5,195discont. check
Leica M9 (⇒ lft | rgt) - - 4.5/5 4.5/5 - 2009 7,999discont. check
Nikon D5 (⇒ lft | rgt) - 89/100 Gold 4.5/5 5/5 5/5 2016 6,499 latest check
Nikon D7100 (⇒ lft | rgt) HiRec 85/100 Gold 4.5/5 5/5 4.5/5 2013 1,199discont. check
Nikon D610 (⇒ lft | rgt) HiRec 87/100 Gold 4.5/5 4.5/5 4.5/5 2013 1,999 latest check
Panasonic GH4 (⇒ lft | rgt) HiRec 85/100 Gold 5/5 5/5 5/5 2014 1,499discont. check
Sony A7 II (⇒ lft | rgt) Rec 82/100 Silver 4.5/5 5/5 5/5 2014 1,999discont. check
Sony A7S (⇒ lft | rgt) - 86/100 Gold 4.5/5 4.5/5 5/5 2014 2,499discont. check
Sony A7R (⇒ lft | rgt) HiRec 82/100 Gold 4.5/5 5/5 5/5 2013 2,299discont. check
Sony RX10 (⇒ lft | rgt) Rec 80/100 Gold 4.5/5 4.5/5 4.5/5 2013 1,299discont. check

The review scores listed above should be treated 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. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.


Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes 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 you do not see the camera that you are looking for, please send me an email, and I will try to update the database with the necessary infos.

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