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Leica M9 vs Sony A99 II

The Leica M9 and the Sony Alpha ALT-A99 II are two digital cameras that were revealed to the public, respectively, in September 2009 and September 2016. The M9 is a rangefinder-style mirrorless camera, while the A99 II is a DSLR. Both cameras are equipped with a full frame sensor. The Leica has a resolution of 18.1 megapixels, whereas the Sony provides 42.2 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Leica M9   Sony A99 II
Leica M9 Sony A99 II
Rangefinder camera Digital single lens reflex
Leica M mount lenses Sony A mount lenses
18.1 MP, Full Frame Sensor 42.2 MP, Full Frame Sensor
no Video 4K/30p Video
ISO 80-2500 ISO 100-25600
Optical viewfinder Electronic viewfinder (2400k dots)
2.5" LCD, 230k dots 3.0" LCD, 1229k dots
Fixed screen (not touch-sensitive) Fully flexible screen (no touchscreen)
2 shutter flaps per second 12 shutter flaps per second
No shake reductionIn-body stabilization
Not weather sealedWeathersealed body
139 x 80 x 37 mm, 585 g 143 x 104 x 76 mm, 849 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Leica M9 and the Sony Alpha ALT-A99 II? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

Body comparison: Leica M9 vs Sony A99 II

The physical size and weight of the Leica M9 and the Sony A99 II are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth dimensions are rounded to the nearest millimeter.

The M9 can be obtained in two different colors (black, silver), while the A99 II is only available in black.

Size Leica M9 vs Sony A99 II
Compare M9 versus A99 II top
Comparison M9 or A99 II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A99 II is notably larger (34 percent) than the Leica M9. Moreover, the A99 II is substantially heavier (45 percent) than the M9. It is noteworthy in this context that the A99 II is splash and dust-proof, while the M9 does not feature any corresponding weather-sealing.

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. Hence, you might want to study and compare the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras 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)
Camera
Model
 
Leica M9» 5.5 in 3.1 in 1.5 in 20.6 oz .. n Sep 2009 7,999- i Leica M9
 
Sony A99 II« 5.6 in 4.1 in 3.0 in 29.9 oz 490 Y Sep 2016 3,199 i i Sony A99 II
 
Canon T5i« » 5.2 in 3.9 in 3.1 in 20.5 oz 440 n Mar 2013 649- i Canon T5i
 
Canon T2i« » 5.1 in 3.9 in 2.4 in 18.7 oz 440 n Feb 2010 699- i Canon T2i
 
Canon T1i« » 5.1 in 3.9 in 2.4 in 18.3 oz 400 n Mar 2009 799- i Canon T1i
 
Leica M10-P« » 5.5 in 3.1 in 1.5 in 23.3 oz 210 n Aug 2018 7,995 i i Leica M10-P
 
Leica M10« » 5.5 in 3.1 in 1.5 in 23.3 oz 210 n Jan 2017 6,595 i i Leica M10
 
Leica T« » 5.3 in 2.7 in 1.3 in 13.5 oz 400 n Apr 2014 1,850- i Leica T
 
Leica X Typ 113« » 5.2 in 2.9 in 3.1 in 17.1 oz 350 n Sep 2014 2,295 i i Leica X Typ 113
 
Leica X Vario« » 5.2 in 2.9 in 3.7 in 24.0 oz 450 n Jun 2013 2,850 i i Leica X Vario
 
Leica M Typ 240« » 5.5 in 3.1 in 1.7 in 24.0 oz .. Y Sep 2012 6,950- i Leica M Typ 240
 
Leica M8« » 5.5 in 3.1 in 1.5 in 20.8 oz .. n Sep 2006 5,499- i Leica M8
 
Sony A7R III« » 5.0 in 3.8 in 2.9 in 22.9 oz 650 Y Oct 2017 3,199 i i Sony A7R III
 
Sony A7R II« » 5.0 in 3.8 in 2.4 in 22.0 oz 290 Y Jun 2015 3,199- i Sony A7R II
 
Sony A99« » 5.8 in 4.4 in 3.1 in 28.6 oz 500 Y Sep 2012 2,799- i Sony A99
 
Sony A850« » 6.1 in 4.6 in 3.2 in 31.6 oz 880 Y Aug 2009 1,999- i Sony A850
 
Sony A900« » 6.1 in 4.6 in 3.2 in 31.6 oz 880 Y Sep 2008 2,999- i Sony A900
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The A99 II was launched at a markedly lower price (by 60 percent) than the M9, which puts it into a different market segment. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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 M9 vs Sony A99 II

The size of the imaging sensor is a crucial determinant of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels 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.

Both cameras under consideration feature a full frame sensor, but their sensors differ slightly in size. They nevertheless have the same format factor of 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Leica M9 and Sony A99 II sensor measures

Despite having a slightly smaller sensor, the A99 II offers a higher resolution of 42.2 megapixels, compared with 18.1 MP of the M9. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 4.52μm versus 6.91μm for the M9). However, it should be noted that the A99 II is much more recent (by 7 years) than the M9, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.

The resolution advantage of the Sony A99 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A99 II for good quality output (200 dots per inch) amounts to 39.8 x 26.5 inch or 101 x 67.4 cm, for very good quality (250 dpi) 31.8 x 21.2 inch or 80.8 x 53.9 cm, and for excellent quality (300 dpi) 26.5 x 17.7 inch or 67.3 x 44.9 cm. The corresponding values for the Leica M9 are 26.1 x 17.4 inch or 66.2 x 44.1 cm for good quality, 20.8 x 13.9 inch or 53 x 35.3 cm for very good quality, and 17.4 x 11.6 inch or 44.1 x 29.4 cm for excellent quality prints.

The A99 II has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Leica M9 has a native sensitivity range from ISO 80 to ISO 2500. The corresponding ISO settings for the Sony Alpha ALT-A99 II are ISO 100 to ISO 25600, with the possibility to increase the ISO range to 50-25600.

M9 versus A99 II MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). Of the two cameras under consideration, the A99 II offers substantially better image quality than the M9 (overall score 23 points higher). The advantage is based on 2.9 bits higher color depth, 1.7 EV in additional dynamic range, and 1.4 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
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Leica M9» Full Frame 18.1 5212 3472-22.511.788469Leica M9
 
Sony A99 II« Full Frame 42.2 7952 53044K/30p25.413.4231792Sony A99 II
 
Canon T5i« » APS-C 17.9 5184 34561080/30p21.711.268161Canon T5i
 
Canon T2i« » APS-C 17.9 5184 34561080/30p22.111.578466Canon T2i
 
Canon T1i« » APS-C 15.1 4752 31681080/20p21.711.566363Canon T1i
 
Leica M10-P« » Full Frame 23.8 5952 3992-----Leica M10-P
 
Leica M10« » Full Frame 23.8 5952 3992-24.413.2213386Leica M10
 
Leica T« » APS-C 16.2 4944 32781080/30p23.012.7108275Leica T
 
Leica X Typ 113« » APS-C 16.1 4928 32641080/30p----Leica X Typ 113
 
Leica X Vario« » APS-C 16.1 4928 32721080/30p23.412.7132078Leica X Vario
 
Leica M Typ 240« » Full Frame 23.7 5952 39761080/25p24.013.3186084Leica M Typ 240
 
Leica M8« » APS-H 10.4 3936 2630-21.111.366359Leica M8
 
Sony A7R III« » Full Frame 42.2 7952 53044K/30p26.014.73523100Sony A7R III
 
Sony A7R II« » Full Frame 42.2 7952 53044K/30p26.013.9343498Sony A7R II
 
Sony A99« » Full Frame 24.0 6000 40001080/60p25.014.0155589Sony A99
 
Sony A850« » Full Frame 24.4 6048 4032-23.812.2141579Sony A850
 
Sony A900« » Full Frame 24.4 6048 4032-23.712.3143179Sony A900

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The A99 II indeed provides for movie recording, while the M9 does not. The highest resolution format that the A99 II can use is 4K/30p.

 

Feature comparison: Leica M9 vs Sony A99 II

Beyond body and sensor, cameras can and do differ across a range of features. For example, the A99 II has an electronic viewfinder (2400k dots), while the M9 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 viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the A99 II has a higher magnification than the one of the M9 (0.78x vs 0.68x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Leica M9, the Sony A99 II, and comparable cameras.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Leica M9»optical n 2.5 230 fixed n 1/4000s 2.0 n n Leica M9
 
Sony A99 II«2400 Y 3.0 1229 full-flex n 1/8000s 12.0 n Y Sony A99 II
 
Canon T5i« »optical n 3.0 1040 swivel Y 1/4000s 5.0 Y n Canon T5i
 
Canon T2i« »optical n 3.0 1040 fixed n 1/4000s 3.7 Y n Canon T2i
 
Canon T1i« »optical n 3.0 920 fixed n 1/4000s 3.4 Y n Canon T1i
 
Leica M10-P« »optical n 3.0 1037 fixed Y 1/4000s 5.0 n n Leica M10-P
 
Leica M10« »optical n 3.0 1037 fixed n 1/4000s 5.0 n n Leica M10
 
Leica T« »- n 3.7 1300 fixed Y 1/4000s 5.0 Y n Leica T
 
Leica X Typ 113« »- n 3.0 920 fixed n 1/2000s 5.0 Y n Leica X Typ 113
 
Leica X Vario« »- n 3.0 920 fixed n 1/2000s 5.0 Y n Leica X Vario
 
Leica M Typ 240« »optical n 3.0 920 fixed n 1/4000s 3.0 n n Leica M Typ 240
 
Leica M8« »optical n 2.5 230 fixed n 1/8000s 2.0 n n Leica M8
 
Sony A7R III« »3686 n 3.0 1440 tilting Y 1/8000s 10.0 n Y Sony A7R III
 
Sony A7R II« »2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y Sony A7R II
 
Sony A99« »2359 Y 3.0 1229 full-flex n 1/8000s 6.0 n Y Sony A99
 
Sony A850« »optical Y 3.0 922 fixed n 1/8000s 3.0 n Y Sony A850
 
Sony A900« »optical Y 3.0 922 fixed n 1/8000s 5.0 n Y Sony A900

One feature that is present on the A99 II, but is missing on the M9 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The A99 II has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the M9 does not have a selfie-screen.

The M9 writes its imaging data to SDXC cards, while the A99 II uses SDXC or Memory Stick PRO Duo cards. The A99 II features dual card slots, which can be very useful in case a memory card fails. In contrast, the M9 only has one slot. The A99 II supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the M9 cannot take advantage of Ultra High Speed SD cards.

 

Connectivity comparison: Leica M9 vs Sony A99 II

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Leica M9 and Sony Alpha ALT-A99 II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Leica M9»Y-----2.0---Leica M9
 
Sony A99 II«YstereomonoYYmicro2.0YYYSony A99 II
 
Canon T5i« »YstereomonoY-mini2.0---Canon T5i
 
Canon T2i« »Ystereo-Y-mini2.0---Canon T2i
 
Canon T1i« »Ymonomono--mini2.0---Canon T1i
 
Leica M10-P« »Y------Y--Leica M10-P
 
Leica M10« »Y------Y--Leica M10
 
Leica T« »Ystereomono---2.0Y--Leica T
 
Leica X Typ 113« »Ystereomono--mini2.0---Leica X Typ 113
 
Leica X Vario« »Ystereomono--mini2.0---Leica X Vario
 
Leica M Typ 240« »Ystereomono---2.0Y--Leica M Typ 240
 
Leica M8« »Y-----2.0---Leica M8
 
Sony A7R III« »YstereomonoYYmicro3.1YYYSony A7R III
 
Sony A7R II« »YstereomonoYYmicro2.0YY-Sony A7R II
 
Sony A99« »YstereomonoYYmini2.0---Sony A99
 
Sony A850« »Y----mini2.0---Sony A850
 
Sony A900« »Y----mini2.0---Sony A900

It is notable that the A99 II offers wifi support, which can be a very convenient means to transfer image data to an off-camera location. In contrast, the M9 does not offer wifi capability.

Studio photographers will appreciate that the Sony A99 II (unlike the M9) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The A99 II is a recent model that features in the current product line-up of Sony. In contrast, the M9 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the M9 was succeeded by the Leica M Typ 240. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Leica and Sony websites.


Review summary: Leica M9 vs Sony A99 II

So how do things add up? Which of the two cameras – the Leica M9 or the Sony A99 II – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Leica M9:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • More compact: Is smaller (139x80mm vs 143x104mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 264g or 31 percent) and hence easier to carry around.
  • More prestigious: Has the Leica luxury appeal, which ensures a high resale price.
  • More heavily discounted: Has been available for much longer (launched in September 2009).

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Reasons to prefer the Sony Alpha ALT-A99 II:

  • More detail: Has more megapixels (42.2 vs 18.1MP), which boosts linear resolution by 53%.
  • Better image quality: Scores substantially higher (23 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (2.9 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (1.7 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (1.4 stops ISO advantage).
  • Broader imaging potential: Can capture not only stills but also 4K/30p video.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.68x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.0" vs 2.5") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 230k dots).
  • More flexible LCD: Has full-flex screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (12 vs 2 flaps/sec) to capture the decisive moment.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More affordable: Was introduced into a lower priced category (60 percent cheaper at launch).
  • More modern: Reflects 7 years of technical progress since the M9 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the A99 II is the clear winner of the contest (26 : 5 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. A professional wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

M9 05:26 A99 II

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the M9 or the A99 II. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews: Leica M9 vs Sony A99 II

This is where reviews by experts come in. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Leica M9»--4.5/54.5/5- Sep 2009 7,999- i Leica M9
 
Sony A99 II«-85/1004.5/54.5/54.5/5 Sep 2016 3,199 i i Sony A99 II
 
Canon T5i« »-76/1004.5/54.5/54.5/5 Mar 2013 649- i Canon T5i
 
Canon T2i« »+ +77/1004/55/54.5/5 Feb 2010 699- i Canon T2i
 
Canon T1i« »+ +74/1004.5/55/54.5/5 Mar 2009 799- i Canon T1i
 
Leica M10-P« »----4/5 Aug 2018 7,995 i i Leica M10-P
 
Leica M10« »--4/5-4.5/5 Jan 2017 6,595 i i Leica M10
 
Leica T« »--4/5-4/5 Apr 2014 1,850- i Leica T
 
Leica X Typ 113« »--3.5/5-4/5 Sep 2014 2,295 i i Leica X Typ 113
 
Leica X Vario« »--4/54/54/5 Jun 2013 2,850 i i Leica X Vario
 
Leica M Typ 240« »--4/5-- Sep 2012 6,950- i Leica M Typ 240
 
Leica M8« »-+ +--- Sep 2006 5,499- i Leica M8
 
Sony A7R III« »+ +90/1004.5/55/55/5 Oct 2017 3,199 i i Sony A7R III
 
Sony A7R II« »+ +90/1005/54.5/55/5 Jun 2015 3,199- i Sony A7R II
 
Sony A99« »-84/1004.5/5o4.5/5 Sep 2012 2,799- i Sony A99
 
Sony A850« »-75/100-4/54.5/5 Aug 2009 1,999- i Sony A850
 
Sony A900« »+ ++ +4.5/54/55/5 Sep 2008 2,999- i Sony A900
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.

Care should be taken when interpreting the review scores above, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, please note that some of the review sites have changed their methodology and reporting over time.

Leica M9:
Check Ebay offers
Sony A99 II:
Check Amazon price

Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Leica M9 vs Sony A99 II

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Leica M9 Sony A99 II
    Camera Type Rangefinder camera Digital single lens reflex
    Camera Lens Leica M mount lenses Sony A mount lenses
    Launch Date September 2009 September 2016
    Launch Price USD 7999 USD 3199
    Sensor Specs Leica M9 Sony A99 II
    Sensor Technology CCD BSI-CMOS
    Sensor Format Full Frame Sensor Full Frame Sensor
    Sensor Size 36.0 x 24.0 mm 35.9 x 24.0 mm
    Sensor Area 864 mm2 861.6 mm2
    Sensor Diagonal 43.3 mm 43.2 mm
    Crop Factor 1.0x 1.0x
    Sensor Resolution 18.1 Megapixels 42.2 Megapixels
    Image Resolution 5212 x 3472 pixels 7952 x 5304 pixels
    Pixel Pitch 6.91 μm 4.52 μm
    Pixel Density 2.09 MP/cm2 4.90 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability no Video 4K/30p Video
    ISO Setting 80-2500 ISO 100-25600 ISO
    ISO Boost no Enhancement 50-25600 ISO
    DXO Sensor Quality (score) 69 92
    DXO Color Depth (bits) 22.5 25.4
    DXO Dynamic Range (EV) 11.7 13.4
    DXO Low Light (ISO) 884 2317
    Screen Specs Leica M9 Sony A99 II
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.68x 0.78x
    Viewfinder Resolution 2400k dots
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View
    Rear LCD Size 2.5 inch 3.0 inch
    LCD Resolution 230k dots 1229k dots
    LCD Attachment Fixed screen Fully flexible screen
    Shooting Specs Leica M9 Sony A99 II
    Autofocus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidNo Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000/s 1/8000/s
    Continuous Shooting 2 shutter flaps/s 12 shutter flaps/s
    Image StabilizationNo shake reductionIn-body stabilization
    Fill Flash no On-Board Flash no On-Board Flash
    Storage Medium SDXC cards MS or SDXC cards
    Second Storage Option Single card slot Dual card slots
    UHS card support no UHS-I
    Connectivity Specs Leica M9 Sony A99 II
    External Flash Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 2.0
    HDMI Port no HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi Wifi built-in
    Near-Field Communication no NFC NFC built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Leica M9 Sony A99 II
    Environmental SealingNot weather sealedWeathersealed body
    Battery Type BLI-312 power pack NP-FM500H power pack
    Body Dimensions 139 x 80 x 37 mm
    (5.5 x 3.1 x 1.5 in)
    143 x 104 x 76 mm
    (5.6 x 4.1 x 3.0 in)
    Camera Weight 585 g (20.6 oz) 849 g (29.9 oz)

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