Canon 1D vs T3

The Canon EOS-1D and the Canon EOS Rebel T3 (labelled Canon 1100D in some countries) are two digital cameras that were revealed to the public, respectively, in September 2001 and February 2011. Both are DSLR (Digital Single Lens Reflex) cameras that are based on an APS-H (1D) and an APS-C (T3) sensor. The 1D has a resolution of 4.1 megapixels, whereas the T3 provides 12.2 MP.

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

Headline Specifications

Canon 1D		Canon T3
Digital single lens reflex		Digital single lens reflex
Canon EF mount lenses		Canon EF mount lenses
4.1 MP – APS-H sensor		12.2 MP – APS-C sensor
no Video		720/30p Video
ISO 200-1,600 (100 - 3,200)		ISO 100-6,400
Optical viewfinder		Optical viewfinder
2.0" LCD – 120k dots		2.7" LCD – 230k dots
Fixed screen (not touch-sensitive)		Fixed screen (not touch-sensitive)
8 shutter flaps per second		3 shutter flaps per second
Weathersealed body		not weather sealed
500 shots per battery charge		700 shots per battery charge
156 x 158 x 80 mm, 1585 g		130 x 100 x 78 mm, 495 g

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Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS-1D and the Canon EOS Rebel T3? 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 Canon 1D and the Canon T3 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.

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon T3 is considerably smaller (47 percent) than the Canon 1D. Moreover, the T3 is substantially lighter (69 percent) than the 1D. It is worth mentioning in this context that the 1D is splash and dust resistant, while the T3 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. A larger imaging sensor (as in the 1D) will tend to go along with bigger and heavier lenses, while more compact options are available for the smaller-sensor camera (T3). You can compare the optics available in the Canon EF Lens Catalog.

Concerning battery life, the 1D gets 500 shots out of its Canon NP-E3 battery, while the T3 can take 700 images on a single charge of its Canon LP-E10 power pack. As can be seen in the images above, the 1D has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power. In order to provide similar functionality for the T3, there are third party battery grips available as optional accessories (see here on ebay).

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

Body Specifications

#		Camera Model	Camera Width	Camera Height	Camera Depth	Camera Weight	Battery Life	Weather Sealing	Camera Launch	Launch Price (USD)	Street Price
1.		Canon 1D	156 mm	158 mm	80 mm	1585 g	500	Y	Sep 2001	6,499	ebay.com
2.		Canon T3	130 mm	100 mm	78 mm	495 g	700	n	Feb 2011	449	ebay.com
3.		Canon 1D X Mark III	158 mm	168 mm	83 mm	1440 g	2850	Y	Jan 2020	6,499	amazon.com
4.		Canon T100	129 mm	102 mm	77 mm	436 g	500	n	Feb 2018	399	amazon.com
5.		Canon 1D X Mark II	158 mm	168 mm	83 mm	1530 g	1210	Y	Feb 2016	5,999	ebay.com
6.		Canon 5D Mark IV	151 mm	116 mm	76 mm	890 g	900	Y	Aug 2016	3,499	amazon.com
7.		Canon T6	129 mm	101 mm	78 mm	485 g	500	n	Mar 2016	449	ebay.com
8.		Canon 5DS	152 mm	116 mm	76 mm	930 g	700	Y	Feb 2015	3,699	ebay.com
9.		Canon T5	130 mm	100 mm	78 mm	480 g	500	n	Feb 2014	449	ebay.com
10.		Canon 1D C	158 mm	164 mm	83 mm	1545 g	1120	Y	Apr 2012	14,999	ebay.com
11.		Canon G1 X	117 mm	81 mm	65 mm	534 g	250	n	Jan 2012	799	ebay.com
12.		Canon 1D X	158 mm	168 mm	83 mm	1551 g	1120	Y	Oct 2011	6,799	ebay.com
13.		Canon XS	126 mm	98 mm	65 mm	502 g	500	n	Jun 2008	449	ebay.com
14.		Canon 1Ds Mark III	150 mm	160 mm	80 mm	1385 g	1800	Y	Aug 2007	7,999	ebay.com
15.		Canon 1D Mark II N	156 mm	158 mm	80 mm	1565 g	1200	Y	Aug 2005	3,999	ebay.com
16.		Canon 1D Mark II	156 mm	158 mm	80 mm	1535 g	1200	Y	Jan 2004	4,499	ebay.com
17.		Canon 1Ds	156 mm	158 mm	80 mm	1265 g	600	Y	Sep 2002	8,999	ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
Convert to Imperial

The price is, of course, an important factor in any camera decision. 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 T3 was launched at a markedly lower price (by 93 percent) than the 1D, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

Sensor comparison

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 tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Canon 1D features an APS-H sensor and the Canon T3 an APS-C sensor. The sensor area in the T3 is 41 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.3 and 1.6. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Technology-wise, the T3 uses a more advanced image processing engine (DIGIC 4) than the 1D (DIGIC), with benefits for noise reduction, color accuracy, and processing speed.

Despite having a smaller sensor, the T3 offers a higher resolution of 12.2 megapixels, compared with 4.1 MP of the 1D. 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 5.15μm versus 11.56μm for the 1D). However, it should be noted that the T3 is much more recent (by 9 years and 4 months) than the 1D, 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 T3 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the T3 for good quality output (200 dots per inch) amounts to 21.4 x 14.2 inches or 54.3 x 36.2 cm, for very good quality (250 dpi) 17.1 x 11.4 inches or 43.4 x 28.9 cm, and for excellent quality (300 dpi) 14.2 x 9.5 inches or 36.2 x 24.1 cm. The corresponding values for the Canon 1D are 12.5 x 8.3 inches or 31.7 x 21.1 cm for good quality, 10 x 6.6 inches or 25.4 x 16.9 cm for very good quality, and 8.3 x 5.5 inches or 21.1 x 14.1 cm for excellent quality prints.

The Canon EOS-1D has a native sensitivity range from ISO 200 to ISO 1600, which can be extended to ISO 100-3200. The corresponding ISO settings for the Canon EOS Rebel T3 are ISO 100 to ISO 6400 (no boost).

In terms of underlying technology, the 1D is build around a CCD sensor, while the T3 uses a CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

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"). 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
1.		Canon 1D	APS-H	4.1	2496	1662	none	..	..	..	..
2.		Canon T3	APS-C	12.2	4272	2848	720/30p	21.9	11.0	755	62
3.		Canon 1D X Mark III	Full Frame	20.0	5472	3648	4K/60p	24.2	14.5	3248	91
4.		Canon T100	APS-C	17.9	5184	3456	1080/30p	21.9	11.4	695	63
5.		Canon 1D X Mark II	Full Frame	20.0	5472	3648	4K/60p	24.1	13.5	3207	88
6.		Canon 5D Mark IV	Full Frame	30.1	6720	4480	4K/30p	24.8	13.6	2995	91
7.		Canon T6	APS-C	17.9	5184	3456	1080/30p	22.0	11.7	781	66
8.		Canon 5DS	Full Frame	50.3	8688	5792	1080/30p	24.7	12.4	2381	87
9.		Canon T5	APS-C	17.9	5184	3456	1080/30p	21.9	11.3	724	63
10.		Canon 1D C	Full Frame	17.9	5184	3456	4K/24p	24.3	13.0	2155	85
11.		Canon G1 X	1.5-inch	14.2	4352	3264	1080/24p	21.7	10.8	644	60
12.		Canon 1D X	Full Frame	17.9	5184	3456	1080/30p	23.8	11.8	2786	82
13.		Canon XS	APS-C	10.1	3888	2592	none	22.0	10.9	719	62
14.		Canon 1Ds Mark III	Full Frame	21.0	5616	3744	none	24.0	12.0	1663	80
15.		Canon 1D Mark II N	APS-H	8.2	3504	2336	none	22.3	11.2	975	66
16.		Canon 1D Mark II	APS-H	8.2	3504	2336	none	22.3	11.1	1003	66
17.		Canon 1Ds	Full Frame	11.0	4064	2704	none	21.8	11.0	954	63
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 T3 indeed provides for movie recording, while the 1D does not. The highest resolution format that the T3 can use is 720/30p.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The 1D and the T3 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 1D offers a wider field of view (100%) than the one in the T3 (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the 1D has a higher magnification (0.55x vs 0.50x), 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 1D, the Canon T3, and comparable cameras.

Core Features

#		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 1D	optical	Y	2.0 / 120	fixed	n	1/16000s	8.0/s	n	n
2.		Canon T3	optical	n	2.7 / 230	fixed	n	1/4000s	3.0/s	Y	n
3.		Canon 1D X Mark III	optical	Y	3.2 / 2100	fixed	Y	1/8000s	20.0/s	n	n
4.		Canon T100	optical	n	2.7 / 230	fixed	n	1/4000s	3.0/s	Y	n
5.		Canon 1D X Mark II	optical	Y	3.2 / 1620	fixed	Y	1/8000s	16.0/s	n	n
6.		Canon 5D Mark IV	optical	Y	3.2 / 1620	fixed	Y	1/8000s	7.0/s	n	n
7.		Canon T6	optical	n	3.0 / 920	fixed	n	1/4000s	3.0/s	Y	n
8.		Canon 5DS	optical	Y	3.2 / 1040	fixed	n	1/8000s	5.0/s	n	n
9.		Canon T5	optical	n	3.0 / 460	fixed	n	1/4000s	3.0/s	Y	n
10.		Canon 1D C	optical	Y	3.2 / 1040	fixed	n	1/8000s	14.0/s	n	n
11.		Canon G1 X	optical	n	3.0 / 922	swivel	n	1/4000s	1.9/s	Y	Y
12.		Canon 1D X	optical	Y	3.2 / 1040	fixed	n	1/8000s	14.0/s	n	n
13.		Canon XS	optical	n	2.5 / 230	fixed	n	1/4000s	3.0/s	Y	n
14.		Canon 1Ds Mark III	optical	Y	3.0 / 230	fixed	n	1/8000s	5.0/s	n	n
15.		Canon 1D Mark II N	optical	Y	2.5 / 230	fixed	n	1/8000s	8.5/s	n	n
16.		Canon 1D Mark II	optical	Y	2.0 / 230	fixed	n	1/8000s	8.3/s	n	n
17.		Canon 1Ds	optical	Y	2.0 / 120	fixed	n	1/8000s	3.0/s	n	n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that is present on the 1D, but is missing on the T3 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 1D writes its imaging data to Compact Flash cards, while the T3 uses SDXC 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 Canon EOS-1D and Canon EOS Rebel T3 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 Mic / Speaker	Microphone Port	Headphone Port	HDMI Port	USB Port	WiFi Support	NFC Support	Bluetooth Support
1.		Canon 1D	Y	- / -	-	-	-	FW	-	-	-
2.		Canon T3	Y	stereo / mono	-	-	mini	2.0	-	-	-
3.		Canon 1D X Mark III	Y	mono / mono	Y	Y	mini	3.1	Y	-	Y
4.		Canon T100	Y	mono / mono	-	-	mini	2.0	Y	Y	-
5.		Canon 1D X Mark II	Y	mono / mono	Y	Y	mini	3.0	-	-	-
6.		Canon 5D Mark IV	Y	mono / mono	Y	Y	mini	3.0	Y	Y	-
7.		Canon T6	Y	mono / mono	-	-	mini	2.0	Y	Y	-
8.		Canon 5DS	Y	mono / mono	Y	-	mini	3.0	-	-	-
9.		Canon T5	Y	mono / mono	-	-	mini	2.0	-	-	-
10.		Canon 1D C	Y	mono / mono	Y	Y	mini	2.0	-	-	-
11.		Canon G1 X	Y	stereo / mono	-	-	mini	2.0	-	-	-
12.		Canon 1D X	Y	mono / -	Y	-	mini	2.0	-	-	-
13.		Canon XS	Y	- / -	-	-	-	2.0	-	-	-
14.		Canon 1Ds Mark III	Y	mono / -	-	-	-	2.0	-	-	-
15.		Canon 1D Mark II N	Y	- / -	-	-	-	1.1	-	-	-
16.		Canon 1D Mark II	Y	- / -	-	-	-	1.1	-	-	-
17.		Canon 1Ds	Y	- / -	-	-	-	FW	-	-	-

Studio photographers will appreciate that the Canon 1D (unlike the T3) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the 1D and the T3 have been discontinued, but can regularly be found used on ebay. The 1D was replaced by the Canon 1D Mark II, while the T3 was followed by the Canon T5. Further information on the features and operation of the 1D and T3 can be found, respectively, in the Canon 1D Manual (free pdf) or the online Canon T3 Manual.

Review summary

So how do things add up? Which of the two cameras – the Canon 1D or the Canon T3 – 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.

Arguments in favor of the Canon EOS-1D:

• 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 (0.55x vs 0.50x).
• Easier setting verification: Features an LCD display on top to control shooting parameters.
• Faster shutter: Has higher mechanical shutter speed (1/16000s vs 1/4000s) to freeze action.
• Faster burst: Shoots at higher frequency (8 vs 3 flaps/sec) to capture the decisive moment.
• More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
• Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
• Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
• More heavily discounted: Has been available for much longer (launched in September 2001).

Reasons to prefer the Canon EOS Rebel T3:

• More detail: Has more megapixels (12.2 vs 4.1MP), which boosts linear resolution by 71%.
• Better jpgs: Has a more modern image processing engine (DIGIC 4 vs DIGIC).
• Broader imaging potential: Can capture not only stills but also 720/30p video.
• Larger screen: Has a bigger rear LCD (2.7" vs 2.0") for image review and settings control.
• More detailed LCD: Has a higher resolution rear screen (230k vs 120k dots).
• More compact: Is smaller (130x100mm vs 156x158mm) and will fit more readily into a bag.
• Less heavy: Has a lower weight (by 1090g or 69 percent) and is thus easier to take along.
• Longer lasting: Gets more shots (700 versus 500) out of a single battery charge.
• Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
• More affordable: Was introduced into a lower priced category (93 percent cheaper at launch).
• More modern: Reflects 9 years and 4 months of technical progress since the 1D launch.

If the count of individual advantages (bullet points above) is taken as a guide, the T3 emerges as the winner of the match-up (11 : 9 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.

How about other alternatives? Do the specifications of the Canon 1D and the Canon T3 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 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 1D or the T3. 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

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 (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.

Expert Camera Reviews

#		Camera   Model	AP   score	CL   score	DCW   score	DPR   score	EPZ   score	PB   score	Camera Launch	Launch Price (USD)	Street Price
1.		Canon 1D	..	..	..	+ +	..	..	Sep 2001	6,499	ebay.com
2.		Canon T3	..	80/100	..	69/100	4/5	4.5/5	Feb 2011	449	ebay.com
3.		Canon 1D X Mark III	..	+ +	5/5	..	4.5/5	4/5	Jan 2020	6,499	amazon.com
4.		Canon T100	..	o	3/5	..	3.5/5	3.5/5	Feb 2018	399	amazon.com
5.		Canon 1D X Mark II	..	..	4.5/5	89/100	4.5/5	4.5/5	Feb 2016	5,999	ebay.com
6.		Canon 5D Mark IV	4.5/5	+ +	4/5	87/100	4.5/5	4.5/5	Aug 2016	3,499	amazon.com
7.		Canon T6	4/5	o	4/5	73/100	4/5	4/5	Mar 2016	449	ebay.com
8.		Canon 5DS	..	+	..	83/100	4.5/5	4.5/5	Feb 2015	3,699	ebay.com
9.		Canon T5	3/5	+	..	..	4/5	4.5/5	Feb 2014	449	ebay.com
10.		Canon 1D C	..	..	..	..	..	..	Apr 2012	14,999	ebay.com
11.		Canon G1 X	5/5	+	..	76/100	4/5	4.5/5	Jan 2012	799	ebay.com
12.		Canon 1D X	5/5	..	..	..	4.5/5	4.5/5	Oct 2011	6,799	ebay.com
13.		Canon XS	..	82/100	..	+ +	3.5/5	4.5/5	Jun 2008	449	ebay.com
14.		Canon 1Ds Mark III	..	..	..	+ +	4.5/5	..	Aug 2007	7,999	ebay.com
15.		Canon 1D Mark II N	..	..	..	..	..	..	Aug 2005	3,999	ebay.com
16.		Canon 1D Mark II	..	..	..	+ +	..	..	Jan 2004	4,499	ebay.com
17.		Canon 1Ds	..	..	..	+ +	..	..	Sep 2002	8,999	ebay.com
Note: (+ +) 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.

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Other camera comparisons

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