Pentax MX-1 vs Sony A58
The Pentax MX-1 and the Sony Alpha SLT-A58 are two digital cameras that were revealed to the public, respectively, in January 2013 and February 2013. The MX-1 is a fixed lens compact, while the A58 is a DSLR. The cameras are based on a 1/1.7-inch (MX-1) and an APS-C (A58) sensor. The Pentax has a resolution of 12 megapixels, whereas the Sony provides 19.8 MP.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.
Going beyond this snapshot of core features and characteristics, what are the differences between the Pentax MX-1 and the Sony Alpha SLT-A58? 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
The physical size and weight of the Pentax MX-1 and the Sony A58 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. 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.
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A58 is considerably larger (65 percent) than the Pentax MX-1. In this context, it is worth noting that neither the MX-1 nor the A58 are weather-sealed.
The above size and weight comparisons are to some extent incomplete and possibly misleading, as the MX-1 has a lens built in, whereas the A58 is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup.
The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.
Camera Model |
Camera Width |
Camera Height |
Camera Depth |
Camera Weight |
Battery Life |
Weather Sealing |
Camera Launch |
Launch Price (USD) |
Street Price |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Pentax MX-1 | 122 mm | 61 mm | 51 mm | 391 g | 290 | n | Jan 2013 | 499 | ebay.com | |
2. | Sony A58 | 129 mm | 95 mm | 78 mm | 492 g | 690 | n | Feb 2013 | 599 | ebay.com | |
3. | Canon G15 | 107 mm | 76 mm | 40 mm | 352 g | 350 | n | Sep 2012 | 499 | ebay.com | |
4. | Canon G16 | 109 mm | 76 mm | 40 mm | 356 g | 360 | n | Aug 2013 | 549 | ebay.com | |
5. | Canon S120 | 100 mm | 59 mm | 29 mm | 217 g | 230 | n | Aug 2013 | 449 | ebay.com | |
6. | Fujifilm X10 | 117 mm | 70 mm | 57 mm | 350 g | 270 | n | Sep 2011 | 599 | ebay.com | |
7. | Fujifilm X20 | 117 mm | 70 mm | 57 mm | 353 g | 270 | n | Jan 2013 | 599 | ebay.com | |
8. | Fujifilm X30 | 119 mm | 72 mm | 60 mm | 423 g | 470 | n | Aug 2014 | 599 | ebay.com | |
9. | Nikon D3200 | 125 mm | 96 mm | 77 mm | 505 g | 540 | n | Apr 2012 | 599 | ebay.com | |
10. | Nikon P7800 | 119 mm | 78 mm | 50 mm | 399 g | 350 | n | Sep 2013 | 549 | ebay.com | |
11. | Olympus Stylus 1 | 116 mm | 87 mm | 57 mm | 402 g | 410 | n | Oct 2013 | 699 | ebay.com | |
12. | Olympus XZ-2 | 113 mm | 65 mm | 48 mm | 346 g | 340 | n | Sep 2012 | 599 | ebay.com | |
13. | Panasonic LF1 | 103 mm | 62 mm | 28 mm | 192 g | 250 | n | Apr 2013 | 499 | ebay.com | |
14. | Sony A68 | 143 mm | 104 mm | 81 mm | 610 g | 540 | n | Nov 2015 | 699 | ebay.com | |
15. | Sony A77 II | 143 mm | 104 mm | 81 mm | 647 g | 480 | Y | May 2014 | 1,199 | ebay.com | |
16. | Sony A5100 | 110 mm | 63 mm | 36 mm | 283 g | 400 | n | Aug 2014 | 549 | ebay.com | |
17. | Sony A6000 | 120 mm | 67 mm | 45 mm | 344 g | 360 | n | Feb 2014 | 599 | ebay.com | |
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders. | |||||||||||
Any camera decision will naturally be influenced heavily by the price. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The MX-1 was launched at a lower price than the A58, despite having a lens built 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.
Sensor comparison
The size of the imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and 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 tend to be more expensive and lead to bigger and heavier cameras and lenses.
Of the two cameras under consideration, the Pentax MX-1 features a 1/1.7-inch sensor and the Sony A58 an APS-C sensor. The sensor area in the A58 is 753 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 4.5 and 1.5. The sensor in the MX-1 has a native 4:3 aspect ratio, while the one in the A58 offers a 3:2 aspect.
With 19.8MP, the A58 offers a higher resolution than the MX-1 (12MP), but the A58 nevertheless has larger individual pixels (pixel pitch of 4.31μm versus 1.89μm for the MX-1) due to its larger sensor. It is noteworthy in this context that the two cameras were released in close succession, so that their sensors are from the same technological generation.
The resolution advantage of the Sony A58 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A58 for good quality output (200 dots per inch) amounts to 27.3 x 18.2 inches or 69.3 x 46.1 cm, for very good quality (250 dpi) 21.8 x 14.5 inches or 55.4 x 36.9 cm, and for excellent quality (300 dpi) 18.2 x 12.1 inches or 46.2 x 30.8 cm. The corresponding values for the Pentax MX-1 are 20 x 15 inches or 50.8 x 38.1 cm for good quality, 16 x 12 inches or 40.6 x 30.5 cm for very good quality, and 13.3 x 10 inches or 33.9 x 25.4 cm for excellent quality prints.
The Pentax MX-1 has a native sensitivity range from ISO 100 to ISO 12800. The corresponding ISO settings for the Sony Alpha SLT-A58 are ISO 100 to ISO 16000, with the possibility to increase the ISO range to 100-25600.
Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.
Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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 A58 offers substantially better image quality than the MX-1 (overall score 25 points higher). The advantage is based on 2.9 bits higher color depth, 1.2 EV in additional dynamic range, and 1.9 stops in additional low light sensitivity. The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.
Camera Model |
Sensor Class |
Resolution (MP) |
Horiz. Pixels |
Vert. Pixels |
Video Format |
DXO Portrait |
DXO Landscape |
DXO Sports |
DXO Overall |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Pentax MX-1 | 1/1.7 | 12.0 | 4000 | 3000 | 1080/30p | 20.4 | 11.3 | 208 | 49 | |
2. | Sony A58 | APS-C | 19.8 | 5456 | 3632 | 1080/60i | 23.3 | 12.5 | 753 | 74 | |
3. | Canon G15 | 1/1.7 | 12.0 | 4000 | 3000 | 1080/24p | 19.9 | 11.5 | 165 | 46 | |
4. | Canon G16 | 1/1.7 | 12.0 | 4000 | 3000 | 1080/60p | 21.0 | 11.7 | 230 | 54 | |
5. | Canon S120 | 1/1.7 | 12.0 | 4000 | 3000 | 1080/60p | 21.3 | 11.9 | 246 | 56 | |
6. | Fujifilm X10 | 2/3 | 12.0 | 4000 | 3000 | 1080/30p | 20.5 | 11.3 | 245 | 50 | |
7. | Fujifilm X20 | 2/3 | 12.0 | 4000 | 3000 | 1080/60p | 20.1 | 10.9 | -462 | 46 | |
8. | Fujifilm X30 | 2/3 | 12.0 | 4000 | 3000 | 1080/60p | 20.4 | 11.2 | -312 | 49 | |
9. | Nikon D3200 | APS-C | 24.1 | 6016 | 4000 | 1080/30p | 24.1 | 13.2 | 1131 | 81 | |
10. | Nikon P7800 | 1/1.7 | 12.0 | 4000 | 3000 | 1080/30p | 21.2 | 11.7 | 200 | 54 | |
11. | Olympus Stylus 1 | 1/1.7 | 11.8 | 3968 | 2976 | 1080/30p | 20.7 | 11.6 | 179 | 51 | |
12. | Olympus XZ-2 | 1/1.7 | 11.8 | 3968 | 2976 | 1080/30p | 20.4 | 11.3 | 216 | 49 | |
13. | Panasonic LF1 | 1/1.7 | 12.0 | 4000 | 3000 | 1080/60i | 20.8 | 11.6 | 211 | 52 | |
14. | Sony A68 | APS-C | 24.0 | 6000 | 4000 | 1080/60i | 24.1 | 13.5 | 701 | 79 | |
15. | Sony A77 II | APS-C | 24.0 | 6000 | 4000 | 1080/60p | 24.4 | 13.4 | 1013 | 82 | |
16. | Sony A5100 | APS-C | 24.0 | 6000 | 4000 | 1080/60p | 23.8 | 12.7 | 1347 | 80 | |
17. | Sony A6000 | APS-C | 24.0 | 6000 | 4000 | 1080/60p | 24.1 | 13.1 | 1347 | 82 | |
Note: DXO values in italics represent estimates based on sensor size and age. |
Many modern cameras are not only capable of taking still images, but can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the A58 provides a faster frame rate than the MX-1. It can shoot movie footage at 1080/60i, while the Pentax is limited to 1080/30p.
Feature comparison
Beyond body and sensor, cameras can and do differ across a range of features. For example, the A58 has an electronic viewfinder (1440k dots), which can be very helpful when shooting in bright sunlight. In contrast, the MX-1 relies on live view and the rear LCD for framing. The adjacent table lists some of the other core features of the Pentax MX-1 and Sony A58 along with similar information for a selection of comparators.
Camera Model |
Viewfinder (Type or 000 dots) |
Control Panel (yes/no) |
LCD Specifications (inch/000 dots) |
LCD Attach- ment |
Touch Screen (yes/no) |
Max Shutter Speed * |
Max Shutter Flaps * |
Built-in Flash (yes/no) |
Built-in Image Stab |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Pentax MX-1 | none | n | 3.0 / 920 | tilting | n | 1/8000s | 1.0/s | Y | Y | |
2. | Sony A58 | 1440 | n | 2.7 / 460 | tilting | n | 1/4000s | 5.0/s | Y | Y | |
3. | Canon G15 | optical | n | 3.0 / 922 | fixed | n | 1/4000s | 2.1/s | Y | Y | |
4. | Canon G16 | optical | n | 3.0 / 922 | fixed | n | 1/4000s | 2.2/s | Y | Y | |
5. | Canon S120 | none | n | 3.0 / 922 | fixed | Y | 1/2000s | 12.1/s | Y | Y | |
6. | Fujifilm X10 | optical | n | 2.8 / 460 | fixed | n | 1/4000s | 10.0/s | Y | Y | |
7. | Fujifilm X20 | optical | n | 2.8 / 460 | fixed | n | 1/4000s | 12.0/s | Y | Y | |
8. | Fujifilm X30 | 2360 | n | 3.0 / 920 | tilting | n | 1/4000s | 12.0/s | Y | Y | |
9. | Nikon D3200 | optical | n | 3.0 / 921 | fixed | n | 1/4000s | 4.0/s | Y | n | |
10. | Nikon P7800 | 921 | n | 3.0 / 921 | swivel | n | 1/4000s | 8.0/s | Y | Y | |
11. | Olympus Stylus 1 | 1440 | n | 3.0 / 1040 | tilting | Y | 1/2000s | 7.0/s | Y | Y | |
12. | Olympus XZ-2 | optional | n | 3.0 / 920 | tilting | Y | 1/2000s | 5.0/s | Y | Y | |
13. | Panasonic LF1 | 200 | n | 3.0 / 920 | fixed | n | 1/4000s | 10.0/s | Y | Y | |
14. | Sony A68 | 1440 | Y | 2.7 / 460 | tilting | n | 1/4000s | 8.0/s | Y | Y | |
15. | Sony A77 II | 2359 | Y | 3.0 / 1229 | full-flex | n | 1/8000s | 12.0/s | Y | Y | |
16. | Sony A5100 | none | n | 3.0 / 922 | tilting | Y | 1/4000s | 6.0/s | Y | n | |
17. | Sony A6000 | 1440 | n | 3.0 / 922 | tilting | n | 1/4000s | 11.0/s | Y | n | |
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one. |
The MX-1 writes its imaging data to SDXC cards, while the A58 uses SDXC or Memory Stick PRO Duo cards.
Connectivity comparison
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 Pentax MX-1 and Sony Alpha SLT-A58 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.
Camera Model |
Hotshoe Port |
Internal Mic / Speaker |
Microphone Port |
Headphone Port |
HDMI Port |
USB Port |
WiFi Support |
NFC Support |
Bluetooth Support |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Pentax MX-1 | - | stereo / mono | - | - | mini | 2.0 | - | - | - | |
2. | Sony A58 | Y | stereo / mono | Y | - | mini | 2.0 | - | - | - | |
3. | Canon G15 | Y | stereo / mono | - | - | mini | 2.0 | - | - | - | |
4. | Canon G16 | Y | stereo / mono | - | - | mini | 2.0 | Y | - | - | |
5. | Canon S120 | - | stereo / mono | - | - | mini | 2.0 | Y | - | - | |
6. | Fujifilm X10 | Y | stereo / mono | - | - | mini | 2.0 | - | - | - | |
7. | Fujifilm X20 | Y | stereo / mono | - | - | micro | 2.0 | - | - | - | |
8. | Fujifilm X30 | Y | stereo / mono | - | - | micro | 2.0 | Y | - | - | |
9. | Nikon D3200 | Y | mono / mono | Y | - | mini | 2.0 | - | - | - | |
10. | Nikon P7800 | Y | stereo / mono | Y | - | mini | 2.0 | - | - | - | |
11. | Olympus Stylus 1 | Y | stereo / mono | - | - | micro | 2.0 | Y | - | - | |
12. | Olympus XZ-2 | Y | stereo / mono | - | - | mini | 2.0 | - | - | - | |
13. | Panasonic LF1 | - | stereo / mono | - | - | mini | 2.0 | Y | Y | - | |
14. | Sony A68 | Y | stereo / mono | Y | - | micro | 2.0 | - | - | - | |
15. | Sony A77 II | Y | stereo / mono | Y | - | mini | 2.0 | Y | Y | - | |
16. | Sony A5100 | - | stereo / mono | - | - | micro | 2.0 | Y | Y | - | |
17. | Sony A6000 | Y | stereo / mono | - | - | micro | 2.0 | Y | Y | - |
It is notable that the A58 has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The MX-1 does not feature such a mic input.
Both the MX-1 and the A58 have been discontinued, but can regularly be found used on ebay. The A58 was replaced by the Sony A68, while the MX-1 does not have a direct successor. Further information on the features and operation of the MX-1 and A58 can be found, respectively, in the Pentax MX-1 Manual (free pdf) or the online Sony A58 Manual.
Review summary
So what conclusions can be drawn? Is the Pentax MX-1 better than the Sony A58 or vice versa? A synthesis of the relative strong points of each of the models is listed below.
Advantages of the Pentax MX-1:
- Larger screen: Has a bigger rear LCD (3.0" vs 2.7") for image review and settings control.
- More detailed LCD: Has a higher resolution rear screen (920k vs 460k dots).
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
- Ready to shoot: Comes with a built-in lens, while the A58 requires a separate lens.
- More compact: Is smaller (122x61mm vs 129x95mm) and thus needs less room in the bag.
- Less heavy: Is lighter even though it comes with a built-in lens (unlike the A58).
- More affordable: Was introduced at a lower price, despite coming with a built-in lens.
Arguments in favor of the Sony Alpha SLT-A58:
- More detail: Has more megapixels (19.8 vs 12MP), which boosts linear resolution by 31%.
- Better image quality: Scores substantially higher (25 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 (1.2 EV of extra DR).
- Better low-light sensitivity: Can shoot in dim conditions (1.9 stops ISO advantage).
- Better video: Provides higher movie framerates (1080/60i versus 1080/30p).
- Better sound: Can connect to an external microphone for higher quality sound recording.
- Easier framing: Has an electronic viewfinder for image composition and settings control.
- Faster burst: Shoots at higher frequency (5 vs 1 flaps/sec) to capture the decisive moment.
- More flexible: Makes it possible to change lenses and thus to use specialty optics.
- Longer lasting: Gets more shots (690 versus 290) out of a single battery charge.
- Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
If the count of individual advantages (bullet points above) is taken as a guide, the A58 is the clear winner of the contest (12 : 7 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. 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.
How about other alternatives? Do the specifications of the Pentax MX-1 and the Sony A58 place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera and Best DSLR Camera listings whether the two cameras rank among the cream of the crop.
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 MX-1 or the A58 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.
Expert reviews
This is why expert reviews are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). 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.
Camera Model |
AP score |
CL score |
DCW score |
DPR score |
EPZ score |
PB score |
Camera Launch |
Launch Price (USD) |
Street Price |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Pentax MX-1 | 3/5 | .. | .. | 74/100 | 4/5 | 4/5 | Jan 2013 | 499 | ebay.com | |
2. | Sony A58 | 3/5 | .. | .. | .. | 4.5/5 | 4.5/5 | Feb 2013 | 599 | ebay.com | |
3. | Canon G15 | 4/5 | + | .. | 76/100 | 4.5/5 | 4.5/5 | Sep 2012 | 499 | ebay.com | |
4. | Canon G16 | 4/5 | + | .. | .. | 4.5/5 | 4.5/5 | Aug 2013 | 549 | ebay.com | |
5. | Canon S120 | .. | + + | .. | .. | 4.5/5 | 4.5/5 | Aug 2013 | 449 | ebay.com | |
6. | Fujifilm X10 | .. | .. | .. | 76/100 | 4/5 | 4.5/5 | Sep 2011 | 599 | ebay.com | |
7. | Fujifilm X20 | 4/5 | + + | .. | 77/100 | 4.5/5 | 5/5 | Jan 2013 | 599 | ebay.com | |
8. | Fujifilm X30 | 4/5 | .. | .. | 76/100 | 4.5/5 | 4.5/5 | Aug 2014 | 599 | ebay.com | |
9. | Nikon D3200 | 5/5 | + + | .. | 73/100 | 4.5/5 | 4.5/5 | Apr 2012 | 599 | ebay.com | |
10. | Nikon P7800 | 3/5 | .. | .. | .. | 4/5 | 4.5/5 | Sep 2013 | 549 | ebay.com | |
11. | Olympus Stylus 1 | .. | + + | .. | .. | 4.5/5 | 4.5/5 | Oct 2013 | 699 | ebay.com | |
12. | Olympus XZ-2 | 4/5 | + | .. | .. | 4.5/5 | 4.5/5 | Sep 2012 | 599 | ebay.com | |
13. | Panasonic LF1 | 3/5 | + | .. | .. | 4/5 | 4.5/5 | Apr 2013 | 499 | ebay.com | |
14. | Sony A68 | 3/5 | .. | .. | .. | 4/5 | 4/5 | Nov 2015 | 699 | ebay.com | |
15. | Sony A77 II | 4/5 | .. | .. | 80/100 | 4.5/5 | 5/5 | May 2014 | 1,199 | ebay.com | |
16. | Sony A5100 | 4.5/5 | + | .. | .. | 4.5/5 | 5/5 | Aug 2014 | 549 | ebay.com | |
17. | Sony A6000 | 5/5 | + | 4.5/5 | 80/100 | 4.5/5 | 5/5 | Feb 2014 | 599 | ebay.com | |
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available. |
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. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.
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 make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.
- Canon 600D vs Sony A58
- Canon 77D vs Pentax MX-1
- Fujifilm X-A3 vs Pentax MX-1
- Fujifilm X-H1 vs Sony A58
- Fujifilm X-Pro1 vs Pentax MX-1
- Olympus E-P1 vs Pentax MX-1
- Olympus E-P3 vs Pentax MX-1
- Panasonic G3 vs Pentax MX-1
- Sony A58 vs Sony A7R
- Sony A58 vs Sony A7R IV
- Sony A58 vs Sony RX100 IV
- Sony A58 vs Sony RX1R II
Specifications: Pentax MX-1 vs Sony A58
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 Model | Pentax MX-1 | Sony A58 |
---|---|---|
Camera Type | Fixed lens compact camera | Digital single lens reflex |
Camera Lens | 28-112mm f/1.8-2.5 | Sony A mount lenses |
Launch Date | January 2013 | February 2013 |
Launch Price | USD 499 | USD 599 |
Sensor Specs | Pentax MX-1 | Sony A58 |
Sensor Technology | CMOS | CMOS |
Sensor Format | 1/1.7" Sensor | APS-C Sensor |
Sensor Size | 7.6 x 5.7 mm | 23.5 x 15.6 mm |
Sensor Area | 43.32 mm2 | 366.6 mm2 |
Sensor Diagonal | 9.5 mm | 28.2 mm |
Crop Factor | 4.5x | 1.5x |
Sensor Resolution | 12 Megapixels | 19.8 Megapixels |
Image Resolution | 4000 x 3000 pixels | 5456 x 3632 pixels |
Pixel Pitch | 1.89 μm | 4.31 μm |
Pixel Density | 27.70 MP/cm2 | 5.41 MP/cm2 |
Moiré control | Anti-Alias filter | Anti-Alias filter |
Movie Capability | 1080/30p Video | 1080/60i Video |
ISO Setting | 100 - 12,800 ISO | 100 - 16,000 ISO |
ISO Boost | no Enhancement | 100 - 25,600 ISO |
DXO Sensor Quality (score) | 49 | 74 |
DXO Color Depth (bits) | 20.4 | 23.3 |
DXO Dynamic Range (EV) | 11.3 | 12.5 |
DXO Low Light (ISO) | 208 | 753 |
Screen Specs | Pentax MX-1 | Sony A58 |
Viewfinder Type | no viewfinder | Electronic viewfinder |
Viewfinder Field of View | 100% | |
Viewfinder Magnification | 0.57x | |
Viewfinder Resolution | 1440k dots | |
LCD Framing | Live View | Live View |
Rear LCD Size | 3.0inch | 2.7inch |
LCD Resolution | 920k dots | 460k dots |
LCD Attachment | Tilting screen | Tilting screen |
Shooting Specs | Pentax MX-1 | Sony A58 |
Focus System | Contrast-detect AF | Phase-detect AF |
Manual Focusing Aid | no Peaking Feature | Focus Peaking |
Max Shutter Speed (mechanical) | 1/8000s | 1/4000s |
Continuous Shooting | 1 shutter flaps/s | 5 shutter flaps/s |
Image Stabilization | In-body stabilization | In-body stabilization |
Fill Flash | Built-in Flash | Built-in Flash |
Storage Medium | SDXC cards | MS or SDXC cards |
Single or Dual Card Slots | Single card slot | Single card slot |
UHS card support | no | no |
Connectivity Specs | Pentax MX-1 | Sony A58 |
External Flash | no Hotshoe | Hotshoe |
USB Connector | USB 2.0 | USB 2.0 |
HDMI Port | mini HDMI | mini HDMI |
Microphone Port | no MIC socket | External MIC port |
Wifi Support | no Wifi | no Wifi |
Body Specs | Pentax MX-1 | Sony A58 |
Battery Type | Pentax D-LI106 | Sony NP-FM500H |
Battery Life (CIPA) | 290 shots per charge | 690 shots per charge |
Body Dimensions |
122 x 61 x 51 mm (4.8 x 2.4 x 2.0 in) |
129 x 95 x 78 mm (5.1 x 3.7 x 3.1 in) |
Camera Weight | 391 g (13.8 oz) | 492 g (17.4 oz) |
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