Canon Rebel vs Pentax 645Z
The Canon EOS Digital Rebel (called Canon 300D in some regions) and the Pentax 645Z are two digital cameras that were officially introduced, respectively, in August 2003 and April 2014. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-C (Rebel) and a medium format (645Z) sensor. The Canon has a resolution of 6.3 megapixels, whereas the Pentax provides 51.1 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 Canon EOS Digital Rebel and the Pentax 645Z? 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 side-by-side display below illustrates the physical size and weight of the Canon Rebel and the Pentax 645Z. 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 measures 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 Pentax 645Z is notably larger (30 percent) than the Canon Rebel. Moreover, the 645Z is substantially heavier (139 percent) than the Rebel. It is noteworthy in this context that the 645Z is splash and dust-proof, while the Rebel 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.
Concerning battery life, the Rebel gets 400 shots out of its Canon BP-511 battery, while the 645Z can take 650 images on a single charge of its Pentax D-LI90 power pack.
The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.
# | Camera Model |
Camera Width |
Camera Height |
Camera Depth |
Camera Weight |
Battery Life |
Weather Sealing |
Camera Launch |
Launch Price (USD) |
Street Price |
|
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Canon Rebel | 142 mm | 99 mm | 72 mm | 649 g | 400 | n | Aug 2003 | 899 | ebay.com | |
2. | Pentax 645Z | 156 mm | 117 mm | 123 mm | 1550 g | 650 | Y | Apr 2014 | 8,499 | ebay.com | |
3. | Canon T7i | 131 mm | 100 mm | 76 mm | 532 g | 600 | n | Feb 2017 | 749 | ebay.com | |
4. | Canon 5DS | 152 mm | 116 mm | 76 mm | 930 g | 700 | Y | Feb 2015 | 3,699 | ebay.com | |
5. | Canon 5DS R | 152 mm | 116 mm | 76 mm | 930 g | 700 | Y | Feb 2015 | 3,699 | ebay.com | |
6. | Canon T6s | 132 mm | 101 mm | 78 mm | 565 g | 440 | n | Feb 2015 | 649 | ebay.com | |
7. | Canon T4i | 133 mm | 100 mm | 79 mm | 575 g | 440 | n | Jun 2012 | 849 | ebay.com | |
8. | Canon T3i | 133 mm | 100 mm | 80 mm | 570 g | 440 | n | Feb 2011 | 599 | ebay.com | |
9. | Canon T1i | 129 mm | 98 mm | 62 mm | 520 g | 400 | n | Mar 2009 | 799 | ebay.com | |
10. | Canon XTi | 127 mm | 84 mm | 65 mm | 556 g | 370 | n | Aug 2006 | 799 | ebay.com | |
11. | Canon XT | 127 mm | 94 mm | 64 mm | 540 g | 400 | n | Feb 2005 | 899 | ebay.com | |
12. | Canon 20D | 144 mm | 106 mm | 72 mm | 770 g | 700 | n | Aug 2004 | 1,499 | ebay.com | |
13. | Canon 10D | 150 mm | 107 mm | 75 mm | 850 g | 500 | n | Feb 2003 | 1,999 | ebay.com | |
14. | Hasselblad X1D | 150 mm | 98 mm | 71 mm | 725 g | .. | Y | Jun 2016 | 8,995 | ebay.com | |
15. | Leica SL | 147 mm | 104 mm | 39 mm | 847 g | 400 | Y | Oct 2015 | 7,450 | ebay.com | |
16. | Nikon D70 | 140 mm | 111 mm | 78 mm | 679 g | 400 | n | Jan 2004 | 999 | ebay.com | |
17. | Pentax 645D | 156 mm | 117 mm | 119 mm | 1480 g | 800 | Y | Mar 2010 | 9,995 | 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 Rebel was launched at a markedly lower price (by 89 percent) than the 645Z, 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.
Sensor comparison
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. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its 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 Canon Rebel features an APS-C sensor and the Pentax 645Z a medium format sensor. The sensor area in the 645Z is 319 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.6 and 0.79. The sensor in the Rebel has a native 3:2 aspect ratio, while the one in the 645Z offers a 4:3 aspect.
With 51.1MP, the 645Z offers a higher resolution than the Rebel (6.3MP), but the 645Z has smaller individual pixels (pixel pitch of 5.30μm versus 7.38μm for the Rebel). Yet, the 645Z is a much more recent model (by 10 years and 7 months) than the Rebel, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the 645Z has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.
The resolution advantage of the Pentax 645Z implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 645Z for good quality output (200 dots per inch) amounts to 41.3 x 31 inches or 104.9 x 78.6 cm, for very good quality (250 dpi) 33 x 24.8 inches or 83.9 x 62.9 cm, and for excellent quality (300 dpi) 27.5 x 20.6 inches or 69.9 x 52.4 cm. The corresponding values for the Canon Rebel are 15.4 x 10.2 inches or 39 x 26 cm for good quality, 12.3 x 8.2 inches or 31.2 x 20.8 cm for very good quality, and 10.2 x 6.8 inches or 26 x 17.3 cm for excellent quality prints.
The Canon EOS Digital Rebel has a native sensitivity range from ISO 100 to ISO 1600. The corresponding ISO settings for the Pentax 645Z are ISO 100 to ISO 204800 (no boost).
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 645Z offers substantially better image quality than the Rebel (overall score 46 points higher). The advantage is based on 5 bits higher color depth, 3.9 EV in additional dynamic range, and 3 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.
# | Camera Model |
Sensor Class |
Resolution (MP) |
Horiz. Pixels |
Vert. Pixels |
Video Format |
DXO Portrait |
DXO Landscape |
DXO Sports |
DXO Overall |
|
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Canon Rebel | APS-C | 6.3 | 3072 | 2048 | none | 21.0 | 10.8 | 544 | 55 | |
2. | Pentax 645Z | Medium Format | 51.1 | 8256 | 6192 | 1080/60i | 26.0 | 14.7 | 4505 | 101 | |
3. | Canon T7i | APS-C | 24.0 | 6000 | 4000 | 1080/60p | 23.7 | 13.1 | 1586 | 80 | |
4. | Canon 5DS | Full Frame | 50.3 | 8688 | 5792 | 1080/30p | 24.7 | 12.4 | 2381 | 87 | |
5. | Canon 5DS R | Full Frame | 50.3 | 8688 | 5792 | 1080/30p | 24.6 | 12.4 | 2308 | 86 | |
6. | Canon T6s | APS-C | 24.0 | 6000 | 4000 | 1080/30p | 22.6 | 12.0 | 915 | 70 | |
7. | Canon T4i | APS-C | 17.9 | 5184 | 3456 | 1080/30p | 21.7 | 11.2 | 722 | 62 | |
8. | Canon T3i | APS-C | 17.9 | 5184 | 3456 | 1080/30p | 22.1 | 11.5 | 793 | 65 | |
9. | Canon T1i | APS-C | 15.1 | 4752 | 3168 | 1080/20p | 21.7 | 11.5 | 663 | 63 | |
10. | Canon XTi | APS-C | 10.1 | 3888 | 2592 | none | 22.1 | 11.0 | 664 | 62 | |
11. | Canon XT | APS-C | 8.0 | 3456 | 2304 | none | 21.8 | 10.8 | 637 | 60 | |
12. | Canon 20D | APS-C | 8.2 | 3504 | 2336 | none | 21.9 | 11.0 | 721 | 62 | |
13. | Canon 10D | APS-C | 6.3 | 3072 | 2048 | none | 21.1 | 10.9 | 571 | 57 | |
14. | Hasselblad X1D | Medium Format | 51.3 | 8272 | 6200 | 1080/25p | 26.2 | 14.8 | 4489 | 102 | |
15. | Leica SL | Full Frame | 24.0 | 6000 | 4000 | 4K/30p | 25.0 | 13.4 | 1821 | 88 | |
16. | Nikon D70 | APS-C | 6.0 | 3008 | 2000 | none | 20.4 | 10.3 | 529 | 50 | |
17. | Pentax 645D | Medium Format | 39.5 | 7264 | 5440 | none | 24.6 | 12.6 | 1262 | 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 also of capturing video footage. The 645Z indeed provides for movie recording, while the Rebel does not. The highest resolution format that the 645Z can use is 1080/60i.
Feature comparison
Apart from body and sensor, cameras can and do differ across a range of features. The Rebel and the 645Z are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The viewfinder in the 645Z offers a wider field of view (98%) than the one in the Rebel (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the 645Z has a higher magnification (0.78x vs 0.55x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Canon Rebel and Pentax 645Z in connection with corresponding information for a sample of similar cameras.
# | 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. | Canon Rebel | optical | n | 1.8 / 118 | fixed | n | 1/4000s | 2.5/s | Y | n | |
2. | Pentax 645Z | optical | Y | 3.2 / 1037 | tilting | n | 1/4000s | 3.0/s | n | n | |
3. | Canon T7i | optical | n | 3.0 / 1040 | swivel | Y | 1/4000s | 6.0/s | Y | n | |
4. | Canon 5DS | optical | Y | 3.2 / 1040 | fixed | n | 1/8000s | 5.0/s | n | n | |
5. | Canon 5DS R | optical | Y | 3.2 / 1040 | fixed | n | 1/8000s | 5.0/s | n | n | |
6. | Canon T6s | optical | Y | 3.0 / 1040 | swivel | Y | 1/4000s | 5.0/s | Y | n | |
7. | Canon T4i | optical | n | 3.0 / 1040 | swivel | Y | 1/4000s | 5.0/s | Y | n | |
8. | Canon T3i | optical | n | 3.0 / 1040 | swivel | n | 1/4000s | 3.7/s | Y | n | |
9. | Canon T1i | optical | n | 3.0 / 920 | fixed | n | 1/4000s | 3.4/s | Y | n | |
10. | Canon XTi | optical | n | 2.5 / 230 | fixed | n | 1/4000s | 3.0/s | Y | n | |
11. | Canon XT | optical | n | 1.8 / 115 | fixed | n | 1/4000s | 3.0/s | Y | n | |
12. | Canon 20D | optical | Y | 1.8 / 118 | fixed | n | 1/8000s | 5.0/s | Y | n | |
13. | Canon 10D | optical | Y | 1.8 / 118 | fixed | n | 1/4000s | 3.0/s | Y | n | |
14. | Hasselblad X1D | 2360 | n | 3.0 / 920 | fixed | Y | 1/2000s | 2.3/s | n | n | |
15. | Leica SL | 4400 | Y | 3.0 / 1040 | fixed | Y | 1/8000s | 11.0/s | n | n | |
16. | Nikon D70 | optical | n | 1.8 / 130 | fixed | n | 1/8000s | 3.0/s | Y | n | |
17. | Pentax 645D | optical | Y | 3.0 / 921 | fixed | n | 1/4000s | 1.1/s | n | n | |
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one. |
One difference between the cameras concerns the presence of an on-board flash. The Rebel has one, while the 645Z does not. While the built-in flash of the Rebel is not very powerful, it can at times be useful as a fill-in light.
The Pentax 645Z has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.
The Rebel writes its imaging data to Compact Flash cards, while the 645Z uses SDXC cards. The 645Z features dual card slots, which can be very useful in case a memory card fails. In contrast, the Rebel only has one slot.
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 Canon EOS Digital Rebel and Pentax 645Z 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. | Canon Rebel | Y | - / - | - | - | - | 1.1 | - | - | - | |
2. | Pentax 645Z | Y | stereo / mono | Y | - | mini | 3.0 | - | - | - | |
3. | Canon T7i | Y | stereo / mono | Y | - | mini | 2.0 | Y | Y | Y | |
4. | Canon 5DS | Y | mono / mono | Y | - | mini | 3.0 | - | - | - | |
5. | Canon 5DS R | Y | mono / mono | Y | - | mini | 3.0 | - | - | - | |
6. | Canon T6s | Y | stereo / mono | Y | - | mini | 2.0 | Y | Y | - | |
7. | Canon T4i | Y | stereo / mono | Y | - | mini | 2.0 | - | - | - | |
8. | Canon T3i | Y | mono / mono | Y | - | mini | 2.0 | - | - | - | |
9. | Canon T1i | Y | mono / mono | - | - | mini | 2.0 | - | - | - | |
10. | Canon XTi | Y | - / - | - | - | - | 2.0 | - | - | - | |
11. | Canon XT | Y | - / - | - | - | - | 2.0 | - | - | - | |
12. | Canon 20D | Y | - / - | - | - | - | 1.1 | - | - | - | |
13. | Canon 10D | Y | - / - | - | - | - | 1.1 | - | - | - | |
14. | Hasselblad X1D | Y | stereo / mono | Y | Y | mini | 3.0 | Y | - | - | |
15. | Leica SL | Y | stereo / mono | Y | Y | full | 3.0 | Y | - | - | |
16. | Nikon D70 | Y | - / - | - | - | - | 1.0 | - | - | - | |
17. | Pentax 645D | Y | stereo / - | - | - | - | 2.0 | - | - | - |
Studio photographers will appreciate that the Pentax 645Z (unlike the Rebel) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
Both the Rebel and the 645Z have been discontinued, but can regularly be found used on ebay. The Rebel was replaced by the Canon XT, while the 645Z does not have a direct successor. Further information on the features and operation of the Rebel and 645Z can be found, respectively, in the Canon Rebel Manual (free pdf) or the online Pentax 645Z Manual.
Review summary
So what conclusions can be drawn? Is the Canon Rebel better than the Pentax 645Z or vice versa? Below is a summary of the relative strengths of each of the two contestants.
Reasons to prefer the Canon EOS Digital Rebel:
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- More compact: Is smaller (142x99mm vs 156x117mm) and thus needs less room in the bag.
- Less heavy: Is lighter (by 901g or 58 percent) and hence easier to carry around.
- Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
- More affordable: Was introduced into a lower priced category (89 percent cheaper at launch).
- More heavily discounted: Has been available for much longer (launched in August 2003).
Advantages of the Pentax 645Z:
- More detail: Has more megapixels (51.1 vs 6.3MP), which boosts linear resolution by 180%.
- Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
- Better image quality: Scores substantially higher (46 points) in the DXO overall evaluation.
- Richer colors: Generates noticeably more natural colors (5 bits more color depth).
- More dynamic range: Captures a broader range of light and dark details (3.9 EV of extra DR).
- Better low-light sensitivity: Can shoot in dim conditions (3 stops ISO advantage).
- Broader imaging potential: Can capture not only stills but also 1080/60i video.
- More complete view: Has a viewfinder with a larger field of view (98% vs 95%).
- Larger viewfinder image: Features a viewfinder with a higher magnification (0.78x vs 0.55x).
- Easier setting verification: Features a control panel on top to check shooting parameters.
- Larger screen: Has a bigger rear LCD (3.2" vs 1.8") for image review and settings control.
- More detailed LCD: Has a higher resolution rear screen (1037k vs 118k dots).
- More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
- Faster burst: Shoots at higher frequency (3 vs 2.5 flaps/sec) to capture the decisive moment.
- Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
- Longer lasting: Gets more shots (650 versus 400) out of a single battery charge.
- Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
- Faster data transfer: Supports a more advanced USB protocol (3.0 vs 1.1).
- 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.
- More modern: Reflects 10 years and 7 months of technical progress since the Rebel launch.
If the count of individual advantages (bullet points above) is taken as a guide, the 645Z is the clear winner of the contest (21 : 6 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape 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 Canon Rebel and the Pentax 645Z place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing whether the two cameras rank among the cream of the crop.
In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it says little about, for example, the shooting experience and imaging performance of the Rebel and the 645Z in practical situations. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate.
Expert reviews
This is why expert reviews are important. The adjacent summary-table relays the overall verdicts of several of the most popular 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. | Canon Rebel | .. | .. | .. | + + | .. | .. | Aug 2003 | 899 | ebay.com | |
2. | Pentax 645Z | 5/5 | .. | 3.5/5 | .. | 4.5/5 | 5/5 | Apr 2014 | 8,499 | ebay.com | |
3. | Canon T7i | 4.5/5 | .. | 3.5/5 | 80/100 | 4.5/5 | 4/5 | Feb 2017 | 749 | ebay.com | |
4. | Canon 5DS | .. | + | .. | 83/100 | 4.5/5 | 4.5/5 | Feb 2015 | 3,699 | ebay.com | |
5. | Canon 5DS R | 5/5 | + | .. | 83/100 | 5/5 | 4.5/5 | Feb 2015 | 3,699 | ebay.com | |
6. | Canon T6s | 5/5 | + | .. | 77/100 | 4.5/5 | 4.5/5 | Feb 2015 | 649 | ebay.com | |
7. | Canon T4i | 4/5 | + + | .. | 77/100 | 4.5/5 | 4.5/5 | Jun 2012 | 849 | ebay.com | |
8. | Canon T3i | 3/5 | o | .. | 77/100 | 4.5/5 | 4.5/5 | Feb 2011 | 599 | ebay.com | |
9. | Canon T1i | .. | + + | .. | 74/100 | 4.5/5 | 4.5/5 | Mar 2009 | 799 | ebay.com | |
10. | Canon XTi | .. | + + | .. | + + | o | 4/5 | Aug 2006 | 799 | ebay.com | |
11. | Canon XT | .. | 80/100 | .. | + + | o | .. | Feb 2005 | 899 | ebay.com | |
12. | Canon 20D | .. | .. | .. | + + | .. | .. | Aug 2004 | 1,499 | ebay.com | |
13. | Canon 10D | .. | .. | .. | + + | .. | .. | Feb 2003 | 1,999 | ebay.com | |
14. | Hasselblad X1D | .. | o | .. | 81/100 | .. | 4/5 | Jun 2016 | 8,995 | ebay.com | |
15. | Leica SL | 4/5 | .. | 4/5 | 84/100 | 4.5/5 | 4/5 | Oct 2015 | 7,450 | ebay.com | |
16. | Nikon D70 | .. | .. | .. | + + | .. | .. | Jan 2004 | 999 | ebay.com | |
17. | Pentax 645D | 5/5 | .. | .. | .. | .. | .. | Mar 2010 | 9,995 | ebay.com | |
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available. |
The review scores listed above should be treated with care, though. The assessments were made in relation to similar cameras of the same technological generation. 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. 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? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.
- Canon 1D X Mark III vs Canon Rebel
- Canon 450D vs Pentax 645Z
- Canon M50 vs Pentax 645Z
- Canon Rebel vs Canon RP
- Canon Rebel vs Fujifilm X-T10
- Canon Rebel vs Fujifilm X100S
- Canon Rebel vs Leica C-LUX
- Canon Rebel vs Sony RX0 II
- Canon T4i vs Pentax 645Z
- Fujifilm X-A1 vs Pentax 645Z
- Nikon D600 vs Pentax 645Z
- Nikon D700 vs Pentax 645Z
Specifications: Canon Rebel vs Pentax 645Z
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 | Canon Rebel | Pentax 645Z |
---|---|---|
Camera Type | Digital single lens reflex | Digital single lens reflex |
Camera Lens | Canon EF mount lenses | Pentax 645 mount lenses |
Launch Date | August 2003 | April 2014 |
Launch Price | USD 899 | USD 8,499 |
Sensor Specs | Canon Rebel | Pentax 645Z |
Sensor Technology | CMOS | CMOS |
Sensor Format | APS-C Sensor | Medium Format Sensor |
Sensor Size | 22.7 x 15.1 mm | 43.8 x 32.8 mm |
Sensor Area | 342.77 mm2 | 1436.64 mm2 |
Sensor Diagonal | 27.3 mm | 54.7 mm |
Crop Factor | 1.6x | 0.79x |
Sensor Resolution | 6.3 Megapixels | 51.1 Megapixels |
Image Resolution | 3072 x 2048 pixels | 8256 x 6192 pixels |
Pixel Pitch | 7.38 μm | 5.30 μm |
Pixel Density | 1.84 MP/cm2 | 3.56 MP/cm2 |
Moiré control | Anti-Alias filter | no AA filter |
Movie Capability | no Video | 1080/60i Video |
ISO Setting | 100 - 1,600 ISO | 100 - 204,800 ISO |
DXO Sensor Quality (score) | 55 | 101 |
DXO Color Depth (bits) | 21.0 | 26.0 |
DXO Dynamic Range (EV) | 10.8 | 14.7 |
DXO Low Light (ISO) | 544 | 4505 |
Screen Specs | Canon Rebel | Pentax 645Z |
Viewfinder Type | Optical viewfinder | Optical viewfinder |
Viewfinder Field of View | 95% | 98% |
Viewfinder Magnification | 0.55x | 0.78x |
Top-Level Screen | no Top Display | Control Panel |
LCD Framing | Live View | |
Rear LCD Size | 1.8inch | 3.2inch |
LCD Resolution | 118k dots | 1037k dots |
LCD Attachment | Fixed screen | Tilting screen |
Shooting Specs | Canon Rebel | Pentax 645Z |
Focus System | Phase-detect AF | Phase-detect AF |
Manual Focusing Aid | no Peaking Feature | Focus Peaking |
Max Shutter Speed (mechanical) | 1/4000s | 1/4000s |
Continuous Shooting | 2.5 shutter flaps/s | 3 shutter flaps/s |
Time-Lapse Photography | no Intervalometer | Intervalometer built-in |
Fill Flash | Built-in Flash | no On-Board Flash |
Storage Medium | CF cards | SDXC cards |
Single or Dual Card Slots | Single card slot | Dual card slots |
Connectivity Specs | Canon Rebel | Pentax 645Z |
External Flash | Hotshoe | Hotshoe |
Studio Flash | no PC Sync | PC Sync socket |
USB Connector | USB 1.1 | USB 3.0 |
HDMI Port | no HDMI | mini HDMI |
Microphone Port | no MIC socket | External MIC port |
Wifi Support | no Wifi | no Wifi |
Body Specs | Canon Rebel | Pentax 645Z |
Environmental Sealing | not weather sealed | Weathersealed body |
Battery Type | Canon BP-511 | Pentax D-LI90 |
Battery Life (CIPA) | 400 shots per charge | 650 shots per charge |
Body Dimensions |
142 x 99 x 72 mm (5.6 x 3.9 x 2.8 in) |
156 x 117 x 123 mm (6.1 x 4.6 x 4.8 in) |
Camera Weight | 649 g (22.9 oz) | 1550 g (54.7 oz) |
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