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Canon 7D II vs Nikon D100

The Canon EOS 7D Mark II and the Nikon D100 are two enthusiast cameras that were revealed to the public, respectively, in September 2014 and February 2002. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with an APS-C sensor. The Canon has a resolution of 20 megapixels, whereas the Nikon provides 6 MP.

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

Headline Specifications
Canon 7D II versus Nikon D100
Canon 7D II Nikon D100
Digital single lens reflex Digital single lens reflex
Canon EF mount lenses Nikon F mount lenses
20 MP, APS-C Sensor 6 MP, APS-C Sensor
1080/60p Video no Video
ISO 100-16,000 (100 - 51,200) ISO 200-800 (200 - 1,600)
Optical viewfinder Optical viewfinder
3.0 LCD, 1040k dots 1.8 LCD, 118k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
10 shutter flaps per second 3 shutter flaps per second
Weathersealed bodynot weather sealed
670 shots per battery charge370 shots per battery charge
149 x 112 x 78 mm, 910 g 144 x 116 x 81 mm, 780 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS 7D Mark II and the Nikon D100? 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 7D II and the Nikon D100. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth measures are rounded to the nearest millimeter.

Size Canon 7D II vs Nikon D100
Compare 7D Mark II versus D100 top
Comparison 7D Mark II or D100 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon 7D II and the Nikon D100 are of equal size. However, the D100 is markedly lighter (14 percent) than the 7D Mark II. It is worth mentioning in this context that the 7D Mark II is splash and dust resistant, while the D100 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. Yet, since both cameras are based around an APS-C sensor, their respective lenses will tend to have similar dimensions and heft. You can compare the optics available for the two cameras in the Canon EF Lens Catalog (7D Mark II) and the Nikon Lens Catalog (D100).

Concerning battery life, the 7D Mark II gets 670 shots out of its LP-E6N battery, while the D100 can take 370 images on a single charge of its EN-EL3 power pack.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. 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.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Canon 7D II 149 mm 112 mm 78 mm 910 g 670 Y Sep 2014 1,799 i
 
Nikon D100 144 mm 116 mm 81 mm 780 g 370 n Feb 2002 1,999i
 
Canon 6D Mark II 144 mm 111 mm 75 mm 765 g 1200 Y Jun 2017 1,999 i
 
Canon 80D 139 mm 105 mm 79 mm 730 g 960 Y Feb 2016 1,199i
 
Canon G3 X 123 mm 77 mm 105 mm 733 g 300 Y Jun 2015 999 i
 
Canon 70D 139 mm 104 mm 79 mm 755 g 920 Y Jul 2013 1,199i
 
Canon 6D 145 mm 111 mm 71 mm 770 g 1090 Y Sep 2012 2,099i
 
Canon 60D 145 mm 106 mm 79 mm 755 g 1100 Y Aug 2010 1,399i
 
Canon 7D 148 mm 111 mm 74 mm 860 g 800 Y Sep 2009 1,699i
 
Canon 10D 150 mm 107 mm 75 mm 850 g 500 n Feb 2003 1,999i
 
Nikon D500 147 mm 115 mm 81 mm 860 g 1240 Y Jan 2016 1,999 i
 
Nikon D7100 136 mm 107 mm 76 mm 765 g 950 Y Feb 2013 1,199i
 
Nikon D70s 140 mm 111 mm 78 mm 679 g 500 n Apr 2005 899i
 
Nikon D200 147 mm 113 mm 74 mm 920 g 400 Y Nov 2005 1,699i
 
Nikon D70 140 mm 111 mm 78 mm 679 g 400 n Jan 2004 999i
 
Sony RX10 II 129 mm 88 mm 102 mm 813 g 400 Y Jun 2015 1,299i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

Any camera decision will obviously take relative prices into account. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The 7D Mark II was somewhat cheaper (by 10 percent) than the D100 at launch, but both cameras fall into the same price category. 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the D100 is 10 percent bigger. As a result of these sensor size differences, the cameras have format factors, respectively, of 1.6 (7D Mark II) and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon 7D II and Nikon D100 sensor measures

Despite having a smaller sensor, the Canon 7D II offers a higher resolution of 20 megapixels, compared with 6 MP of the Nikon D100. 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 4.10μm versus 7.85μm for the D100). However, it should be noted that the 7D Mark II is much more recent (by 12 years and 6 months) than the D100, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently.

The resolution advantage of the Canon 7D II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the 7D Mark II for good quality output (200 dots per inch) amounts to 27.4 x 18.2 inches or 69.5 x 46.3 cm, for very good quality (250 dpi) 21.9 x 14.6 inches or 55.6 x 37.1 cm, and for excellent quality (300 dpi) 18.2 x 12.2 inches or 46.3 x 30.9 cm. The corresponding values for the Nikon D100 are 15 x 10 inches or 38.2 x 25.4 cm for good quality, 12 x 8 inches or 30.6 x 20.3 cm for very good quality, and 10 x 6.7 inches or 25.5 x 16.9 cm for excellent quality prints.

The 7D Mark II has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Canon EOS 7D Mark II has a native sensitivity range from ISO 100 to ISO 16000, which can be extended to ISO 100-51200. The corresponding ISO settings for the Nikon D100 are ISO 200 to ISO 800, with the possibility to increase the ISO range to 200-1600.

7D Mark II versus D100 MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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"). The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
 
Canon 7D II APS-C 20.0 5472 36481080/60p22.411.8108270
 
Nikon D100 APS-C 6.0 3008 2000none........
 
Canon 6D Mark II Full Frame 26.0 6240 41601080/60p24.411.9286285
 
Canon 80D APS-C 24.0 6000 40001080/60p23.613.2113579
 
Canon G3 X 1-inch 20.0 5472 36481080/60p21.412.352163
 
Canon 70D APS-C 20.0 5472 36481080/30p22.511.692668
 
Canon 6D Full Frame 20.0 5472 36481080/30p23.812.1234082
 
Canon 60D APS-C 17.9 5184 34561080/30p22.211.581366
 
Canon 7D APS-C 17.9 5184 34561080/30p22.011.785466
 
Canon 10D APS-C 6.3 3072 2048none21.110.957157
 
Nikon D500 APS-C 20.7 5568 37124K/30p24.014.0132483
 
Nikon D7100 APS-C 24.0 6000 40001080/60p24.213.7125683
 
Nikon D70s APS-C 6.0 3008 2000none20.410.352950
 
Nikon D200 APS-C 10.0 3872 2592none22.311.558364
 
Nikon D70 APS-C 6.0 3008 2000none20.410.352950
 
Sony RX10 II 1-inch 20.0 5472 36484K/30p23.012.653170

Many modern cameras are not only capable of taking still images, but can also record movies. The 7D Mark II indeed provides movie recording capabilities, while the D100 does not. The highest resolution format that the 7D Mark II can use is 1080/60p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. The 7D Mark II and the D100 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 7D Mark II offers a wider field of view (100%) than the one in the D100 (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the 7D Mark II has a higher magnification (0.63x vs 0.53x), 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 Canon 7D II, the Nikon D100, and comparable cameras.

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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
 
Canon 7D IIoptical Y 3.0 1040 fixed n 1/8000s 10.0 Y n
 
Nikon D100optical Y 1.8 118 fixed n 1/4000s 3.0 Y n
 
Canon 6D Mark IIoptical Y 3.0 1040 swivel Y 1/4000s 6.5 n n
 
Canon 80Doptical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n
 
Canon G3 Xoptional n 3.2 1620 tilting Y 1/2000s 5.9 Y Y
 
Canon 70Doptical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n
 
Canon 6Doptical Y 3.0 1040 fixed n 1/4000s 4.5 n n
 
Canon 60Doptical Y 3.0 1040 swivel n 1/8000s 5.3 Y n
 
Canon 7Doptical Y 3.0 920 fixed n 1/8000s 8.0 Y n
 
Canon 10Doptical Y 1.8 118 fixed n 1/4000s 3.0 Y n
 
Nikon D500optical Y 3.2 2359 tilting Y 1/8000s 10.0 n n
 
Nikon D7100optical Y 3.2 1229 fixed n 1/8000s 6.0 Y n
 
Nikon D70soptical n 2.0 130 fixed n 1/8000s 3.0 Y n
 
Nikon D200optical Y 2.5 230 fixed n 1/8000s 5.0 Y n
 
Nikon D70optical n 1.8 130 fixed n 1/8000s 3.0 Y n
 
Sony RX10 II2359 Y 3.0 1229 tilting n 1/3200s 14.0 Y Y

The Canon 7D II 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 7D Mark II writes its imaging data to Compact Flash or SDXC cards, while the D100 uses Compact Flash cards. The 7D Mark II features dual card slots, which can be very useful in case a memory card fails. In contrast, the D100 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 7D Mark II and Nikon D100 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
 
Canon 7D IIYstereomonoYYmini3.0---
 
Nikon D100Y-----1.1---
 
Canon 6D Mark IIYstereomonoY-mini2.0YYY
 
Canon 80DYstereomonoYYmini2.0YY-
 
Canon G3 XYstereomonoYYmini2.0YY-
 
Canon 70DYstereomonoY-mini2.0Y--
 
Canon 6DYmonomonoY-mini2.0Y--
 
Canon 60DYmonomonoY-mini2.0---
 
Canon 7DYmono-Y-mini2.0---
 
Canon 10DY-----1.1---
 
Nikon D500YstereomonoYYmini3.0YYY
 
Nikon D7100YstereomonoYYmini2.0---
 
Nikon D70sY-----2.0---
 
Nikon D200Y-----2.0---
 
Nikon D70Y-----1.0---
 
Sony RX10 IIYstereomonoYYmicro2.0YY-

Studio photographers will appreciate that the Canon 7D II (unlike the D100) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Travel and landscape photographers will find it useful that the 7D Mark II has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.

The 7D Mark II is a recent model that features in the current product line-up of Canon. In contrast, the D100 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the D100 was succeeded by the Nikon D200. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Nikon websites.

Review summary

So what conclusions can be drawn? Is there a clear favorite between the Canon 7D II and the Nikon D100? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Canon EOS 7D Mark II:

  • More detail: Offers more megapixels (20 vs 6MP) with a 82% higher linear resolution.
  • Broader imaging potential: Can record not only still images but also 1080/60p movies.
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • More complete view: Has a viewfinder with a larger field of view (100% vs 95%).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.63x vs 0.53x).
  • Larger screen: Has a bigger rear LCD (3.0" vs 1.8") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1040k vs 118k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 3 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Can take more shots (670 versus 370) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Easier geotagging: Features an internal GPS sensor to log localization data.
  • 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 12 years and 6 months of technical progress since the D100 launch.

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Reasons to prefer the Nikon D100:

  • Less heavy: Has a lower weight (by 130g or 14 percent) and is thus easier to take along.
  • More heavily discounted: Has been around for much longer (launched in February 2002).

If the number of relative strengths (bullet points above) is taken as a guide, the 7D Mark II is the clear winner of the match-up (17 : 2 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 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.

7D Mark II 17:02 D100

How about other alternatives? Do the specifications of the Canon 7D II and the Nikon D100 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 the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the 7D Mark II or the D100. 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 where reviews by experts come in. The following table reports the overall ratings of the cameras as published by some of the major 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.

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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Canon 7D II+84/1004/55/54.5/5 Sep 2014 1,799 i
 
Nikon D100..+ +oo.. Feb 2002 1,999i
 
Canon 6D Mark II+80/1004.5/54/54/5 Jun 2017 1,999 i
 
Canon 80D+ +84/1004.5/54.5/54.5/5 Feb 2016 1,199i
 
Canon G3 X+..4.5/53.5/54/5 Jun 2015 999 i
 
Canon 70D+ +83/1004.5/54.5/55/5 Jul 2013 1,199i
 
Canon 6D+ +83/1004.5/54.5/54.5/5 Sep 2012 2,099i
 
Canon 60D+79/1004/55/54.5/5 Aug 2010 1,399i
 
Canon 7D+ +84/1004.5/55/54.5/5 Sep 2009 1,699i
 
Canon 10D..+ +..o.. Feb 2003 1,999i
 
Nikon D500+ +91/1004.5/55/55/5 Jan 2016 1,999 i
 
Nikon D7100+ +85/1004.5/55/54.5/5 Feb 2013 1,199i
 
Nikon D70s......o5/5 Apr 2005 899i
 
Nikon D200+ ++ +o5/5.. Nov 2005 1,699i
 
Nikon D70..+ +..o.. Jan 2004 999i
 
Sony RX10 II+ +82/1004.5/54.5/54/5 Jun 2015 1,299i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

Canon 7D II:
Check Amazon price
Nikon D100:
Check Ebay offers

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.

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    Specifications: Canon 7D II vs Nikon D100

    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 Canon 7D II Nikon D100
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Canon EF mount lenses Nikon F mount lenses
    Launch Date September 2014 February 2002
    Launch Price USD 1,799 USD 1,999
    Sensor Specs Canon 7D II Nikon D100
    Sensor Technology CMOS CCD
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 22.4 x 15.0 mm 23.7 x 15.6 mm
    Sensor Area 336 mm2 369.72 mm2
    Sensor Diagonal 27 mm 28.4 mm
    Crop Factor 1.6x 1.5x
    Sensor Resolution 20 Megapixels 6 Megapixels
    Image Resolution 5472 x 3648 pixels 3008 x 2000 pixels
    Pixel Pitch 4.10 μm 7.85 μm
    Pixel Density 5.94 MP/cm2 1.63 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video no Video
    ISO Setting 100 - 16,000 ISO 200 - 800 ISO
    ISO Boost 100 - 51,200 ISO 200 - 1,600 ISO
    DXO Sensor Quality (score) 70 ..
    DXO Color Depth (bits) 22.4 ..
    DXO Dynamic Range (EV) 11.8 ..
    DXO Low Light (ISO) 1082 ..
    Screen Specs Canon 7D II Nikon D100
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 100% 95%
    Viewfinder Magnification 0.63x 0.53x
    Top-Level Screen Control Panel Control Panel
    LCD Framing Live View
    Rear LCD Size 3.0inch 1.8inch
    LCD Resolution 1040k dots 118k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Canon 7D II Nikon D100
    Focus System Phase-detect AF Phase-detect AF
    Continuous Shooting 10 shutter flaps/s 3 shutter flaps/s
    Shutter Life Expectancy200 000 actuations50 000 actuations
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium CF or SDXC cards CF cards
    Second Storage Option Dual card slots Single card slot
    Connectivity Specs Canon 7D II Nikon D100
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.0 USB 1.1
    HDMI Port mini HDMI no HDMI
    Microphone Port External MIC port no MIC socket
    Headphone Socket Headphone port no Headphone port
    Wifi Support no Wifi no Wifi
    Geotagging GPS built-in no internal GPS
    Body Specs Canon 7D II Nikon D100
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type LP-E6N EN-EL3
    Battery Life (CIPA)670 shots per charge370 shots per charge
    Body Dimensions 149 x 112 x 78 mm
    (5.9 x 4.4 x 3.1 in)
    144 x 116 x 81 mm
    (5.7 x 4.6 x 3.2 in)
    Camera Weight 910 g (32.1 oz) 780 g (27.5 oz)

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