Leica S1 vs Nikon D3

The Leica S1 Pro and the Nikon D3 are two professional cameras that were announced, respectively, in August 1996 and August 2007. The S1 is a mirrorless interchangeable lens camera, while the D3 is a DSLR. The cameras are based on a medium format (S1) and a full frame (D3) sensor. The Leica has a resolution of 26.4 megapixels, whereas the Nikon provides 12.1 MP.

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

Headline Specifications

Leica S1		Nikon D3
Mirrorless system camera		Digital single lens reflex
Leica R mount lenses		Nikon F mount lenses
26.4 MP – Medium Format sensor		12.1 MP – Full Frame sensor
no Video		no Video
ISO 50-1,600		ISO 200-6,400 (100 - 25,600)
Optical viewfinder		Optical viewfinder
no LCD		3.0" LCD – 922k dots
no rear screen		Fixed screen (not touch-sensitive)
0.01 shutter flaps per second		11 shutter flaps per second
not weather sealed		Weathersealed body
339 x 214 x 119 mm, 2500 g		160 x 157 x 88 mm, 1300 g

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Going beyond this snapshot of core features and characteristics, what are the differences between the Leica S1 Pro and the Nikon D3? 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 Leica S1 and the Nikon D3. 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 Nikon D3 is considerably smaller (65 percent) than the Leica S1. Moreover, the D3 is substantially lighter (48 percent) than the S1. It is noteworthy in this context that the D3 is splash and dust-proof, while the S1 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 will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Leica R Lens Catalog (S1) and the Nikon Lens Catalog (D3). Mirrorless cameras, such as the Leica S1, have moreover the advantage that they have a relatively short flange to focal plane distance and can thus use many lenses from other systems via adapters.

As can be seen in the images above, the D3 has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power.

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, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

Body Specifications

		Camera Model	Camera Width	Camera Height	Camera Depth	Camera Weight	Battery Life	Weather Sealing	Camera Launch	Launch Price	Street Price
1.		Leica S1	339 mm	214 mm	119 mm	2500 g	..	n	Aug 1996	US$ 21 499	ebay.com
2.		Nikon D3	160 mm	157 mm	88 mm	1300 g	4300	Y	Aug 2007	US$ 4 999	ebay.com
3.		Canon 1D Mark III	156 mm	157 mm	80 mm	1155 g	2200	Y	Feb 2007	US$ 4 499	ebay.com
4.		Canon RP	133 mm	85 mm	70 mm	485 g	250	n	Feb 2019	US$ 1 299	amazon.com
5.		Canon SL3	122 mm	93 mm	70 mm	449 g	1070	n	Apr 2019	US$ 599	amazon.com
6.		Fujifilm X-T30	118 mm	83 mm	47 mm	383 g	380	n	Feb 2019	US$ 899	ebay.com
7.		Leica CL	131 mm	78 mm	45 mm	403 g	220	n	Nov 2017	US$ 2 795	ebay.com
8.		Leica M-E Typ 240	139 mm	80 mm	42 mm	680 g	500	Y	Jun 2019	US$ 3 999	ebay.com
9.		Leica Q Typ 116	130 mm	80 mm	93 mm	640 g	300	n	Jun 2015	US$ 4 249	ebay.com
10.		Leica S2	160 mm	120 mm	80 mm	1410 g	..	Y	Sep 2008	US$ 22 999	ebay.com
11.		Leica TL2	134 mm	69 mm	33 mm	399 g	250	n	Jul 2017	US$ 1 949	ebay.com
12.		Nikon D3S	160 mm	157 mm	88 mm	1240 g	4200	Y	Oct 2009	US$ 5 199	ebay.com
13.		Nikon D3X	160 mm	157 mm	88 mm	1260 g	4400	Y	Dec 2008	US$ 7 999	ebay.com
14.		Nikon D4	160 mm	157 mm	91 mm	1340 g	2600	Y	Jan 2012	US$ 5 999	ebay.com
15.		Nikon D700	147 mm	123 mm	77 mm	1074 g	1000	Y	Jul 2008	US$ 2 999	ebay.com
16.		Sony A6100	120 mm	67 mm	59 mm	396 g	420	n	Aug 2019	US$ 749	ebay.com
17.		Sony A6400	120 mm	67 mm	50 mm	403 g	410	Y	Jan 2019	US$ 899	amazon.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
Convert to Imperial

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 D3 was launched at a markedly lower price (by 77 percent) than the S1, 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 imaging sensor is at the core of digital cameras and its size is one of the main determining factors of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better 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 Leica S1 features a medium format sensor and the Nikon D3 a full frame sensor. The sensor area in the D3 is 34 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 0.85 and 1.0. The sensor in the S1 has a native 1:1 aspect ratio, while the one in the D3 offers a 3:2 aspect.

With 26.4MP, the S1 offers a higher resolution than the D3 (12.1MP), but the S1 has smaller individual pixels (pixel pitch of 7.01μm versus 8.43μm for the D3). Moreover, the D3 is a much more recent model (by 10 years and 11 months) than the S1, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that the S1 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Leica S1 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the S1 for good quality output (200 dots per inch) amounts to 25.7 x 25.7 inches or 65.3 x 65.3 cm, for very good quality (250 dpi) 20.6 x 20.6 inches or 52.2 x 52.2 cm, and for excellent quality (300 dpi) 17.1 x 17.1 inches or 43.5 x 43.5 cm. The corresponding values for the Nikon D3 are 21.3 x 14.2 inches or 54.1 x 36 cm for good quality, 17 x 11.3 inches or 43.2 x 28.8 cm for very good quality, and 14.2 x 9.4 inches or 36 x 24 cm for excellent quality prints.

The Leica S1 Pro has a native sensitivity range from ISO 50 to ISO 1600. The corresponding ISO settings for the Nikon D3 are ISO 200 to ISO 6400, with the possibility to increase the ISO range to 100-25600.

In terms of underlying technology, the S1 is build around a CCD sensor, while the D3 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 assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics

		Camera Model	Sensor Class	Resolution (MP)	Horiz. Pixels	Vert. Pixels	Video Format	DXO Portrait	DXO Landscape	DXO Sports	DXO Overall
1.		Leica S1	Medium Format	26.4	5140	5140	none	..	..	..	..
2.		Nikon D3	Full Frame	12.1	4256	2832	none	23.5	12.2	2290	81
3.		Canon 1D Mark III	APS-H	10.1	3888	2592	none	22.7	11.7	1078	71
4.		Canon RP	Full Frame	26.0	6240	4160	4K/30p	24.3	11.9	2977	85
5.		Canon SL3	APS-C	24.0	6000	4000	4K/25p	23.9	13.4	1791	82
6.		Fujifilm X-T30	APS-C	26.0	6240	4160	4K/30p	24.1	13.5	1895	83
7.		Leica CL	APS-C	24.1	6014	4014	4K/30p	24.0	13.3	1788	82
8.		Leica M-E Typ 240	Full Frame	23.7	5952	3976	1080/25p	25.2	14.2	2821	94
9.		Leica Q Typ 116	Full Frame	24.0	6000	4000	1080/60p	24.3	12.7	2221	85
10.		Leica S2	Medium Format	37.5	7500	5000	none	23.9	12.5	2224	82
11.		Leica TL2	APS-C	24.1	6014	4014	4K/30p	23.9	13.3	1753	82
12.		Nikon D3S	Full Frame	12.1	4256	2832	720/24p	23.5	12.0	3253	82
13.		Nikon D3X	Full Frame	24.4	6048	4032	none	24.7	13.7	1992	88
14.		Nikon D4	Full Frame	16.2	4928	3280	1080/30p	24.7	13.1	2965	89
15.		Nikon D700	Full Frame	12.1	4256	2832	none	23.5	12.2	2303	80
16.		Sony A6100	APS-C	24.0	6000	4000	4K/30p	24.1	13.6	1947	84
17.		Sony A6400	APS-C	24.0	6000	4000	4K/30p	24.0	13.6	1431	83
Note: DXO values in italics represent estimates based on sensor size and age.

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. The S1 and the D3 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 adjacent table lists some of the other core features of the Leica S1 and Nikon D3 along with similar information for a selection of comparators.

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.		Leica S1	optical	n	none / none	none	n	..	0.01/s	n	n
2.		Nikon D3	optical	Y	3.0 / 922	fixed	n	1/8000s	11.0/s	n	n
3.		Canon 1D Mark III	optical	Y	3.0 / 230	fixed	n	1/8000s	10.0/s	n	n
4.		Canon RP	2360	n	3.0 / 1040	swivel	Y	1/4000s	5.0/s	n	n
5.		Canon SL3	optical	n	3.0 / 1040	swivel	Y	1/4000s	5.0/s	Y	n
6.		Fujifilm X-T30	2360	n	3.0 / 1040	tilting	Y	1/4000s	8.0/s	Y	n
7.		Leica CL	2360	Y	3.0 / 1040	fixed	Y	1/8000s	10.0/s	n	n
8.		Leica M-E Typ 240	optical	n	3.0 / 920	fixed	n	1/4000s	3.0/s	n	n
9.		Leica Q Typ 116	3680	n	3.0 / 1040	fixed	Y	1/2000s	10.0/s	n	Y
10.		Leica S2	optical	Y	3.0 / 460	fixed	n	1/4000s	1.5/s	n	n
11.		Leica TL2	optional	n	3.7 / 1230	fixed	Y	1/4000s	7.0/s	n	n
12.		Nikon D3S	optical	Y	3.0 / 921	fixed	n	1/8000s	11.0/s	n	n
13.		Nikon D3X	optical	Y	3.0 / 922	fixed	n	1/8000s	5.0/s	n	n
14.		Nikon D4	optical	Y	3.2 / 921	fixed	n	1/8000s	11.0/s	n	n
15.		Nikon D700	optical	Y	3.0 / 922	fixed	n	1/8000s	8.0/s	Y	n
16.		Sony A6100	1440	n	3.0 / 922	tilting	Y	1/4000s	11.0/s	Y	n
17.		Sony A6400	2359	n	3.0 / 922	tilting	Y	1/4000s	11.0/s	Y	n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One feature that is present on the D3, but is missing on the S1 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 Nikon D3 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 S1 writes its imaging data to external storage, while the D3 uses Compact Flash 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 Leica S1 Pro and Nikon D3 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.		Leica S1	-	- / -	-	-	-	-	-	-	-
2.		Nikon D3	Y	- / -	-	-	mini	2.0	-	-	-
3.		Canon 1D Mark III	Y	- / -	-	-	-	2.0	-	-	-
4.		Canon RP	Y	stereo / mono	Y	Y	micro	2.0	Y	-	Y
5.		Canon SL3	Y	stereo / mono	Y	-	mini	2.0	Y	-	Y
6.		Fujifilm X-T30	Y	stereo / mono	Y	-	micro	3.1	Y	-	Y
7.		Leica CL	Y	stereo / mono	-	-	-	-	Y	-	-
8.		Leica M-E Typ 240	Y	mono / -	-	-	-	2.0	-	-	-
9.		Leica Q Typ 116	Y	stereo / mono	-	-	micro	2.0	Y	Y	-
10.		Leica S2	Y	- / -	-	-	mini	2.0	-	-	-
11.		Leica TL2	Y	stereo / mono	-	-	micro	3.0	Y	-	-
12.		Nikon D3S	Y	stereo / -	-	-	mini	2.0	-	-	-
13.		Nikon D3X	Y	- / -	-	-	mini	2.0	-	-	-
14.		Nikon D4	Y	mono / mono	Y	Y	micro	2.0	-	-	-
15.		Nikon D700	Y	- / -	-	-	mini	2.0	-	-	-
16.		Sony A6100	Y	stereo / mono	Y	-	micro	2.0	Y	Y	Y
17.		Sony A6400	Y	stereo / mono	Y	-	micro	2.0	Y	Y	Y

It is notable that the D3 has a hotshoe, which makes it possible to easily attach optional accessories, such as an external flash gun. The S1 does not feature such an accessory-socket.

Studio photographers will appreciate that the Nikon D3 (unlike the S1) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the S1 and the D3 have been discontinued, but can regularly be found used on ebay. The S1 was replaced by the Leica S2, while the D3 was followed by the Nikon D4. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Leica and Nikon websites.

Review summary

So how do things add up? Which of the two cameras – the Leica S1 or the Nikon D3 – 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.

Advantages of the Leica S1 Pro:

• More detail: Offers more megapixels (26.4 vs 12.1MP) with a 42% higher linear resolution.
• Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
• More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
• More prestigious: Has the Leica luxury appeal, which ensures a high resale price.
• More heavily discounted: Has been available for much longer (launched in August 1996).

Arguments in favor of the Nikon D3:

• Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
• Easier setting verification: Features a control panel on top to check shooting parameters.
• Rear screen: Has a backside LCD (3.0") for image review and settings control.
• Faster burst: Shoots at higher frequency (11 vs 0.01 flaps/sec) to capture the decisive moment.
• Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
• More compact: Is smaller (160x157mm vs 339x214mm) and will fit more readily into a bag.
• Less heavy: Has a lower weight (by 1200g or 48 percent) and is thus easier to take along.
• More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
• Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
• Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
• Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
• More affordable: Was introduced into a lower priced category (77 percent cheaper at launch).
• More modern: Reflects 10 years and 11 months of technical progress since the S1 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the D3 is the clear winner of the contest (13 : 5 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision. A professional 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 Leica S1 and the Nikon D3 place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens Camera and Best DSLR Camera listings 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 incomplete and does no justice, for example, to the way the S1 or the D3 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 table below provides a synthesis of the camera assessments of some of the best known photo-gear 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	Street Price
1.		Leica S1	..	..	..	..	..	..	Aug 1996	US$ 21 499	ebay.com
2.		Nikon D3	..	..	..	+ +	5/5	4.5/5	Aug 2007	US$ 4 999	ebay.com
3.		Canon 1D Mark III	..	..	..	..	..	..	Feb 2007	US$ 4 499	ebay.com
4.		Canon RP	4/5	+	4/5	..	4.5/5	4/5	Feb 2019	US$ 1 299	amazon.com
5.		Canon SL3	4/5	o	4.5/5	79/100	4/5	4/5	Apr 2019	US$ 599	amazon.com
6.		Fujifilm X-T30	5/5	+ +	5/5	84/100	4.5/5	4.5/5	Feb 2019	US$ 899	ebay.com
7.		Leica CL	..	..	4.2/5	..	..	4/5	Nov 2017	US$ 2 795	ebay.com
8.		Leica M-E Typ 240	..	..	..	..	..	..	Jun 2019	US$ 3 999	ebay.com
9.		Leica Q Typ 116	5/5	..	..	80/100	4.5/5	4.5/5	Jun 2015	US$ 4 249	ebay.com
10.		Leica S2	..	..	..	..	..	..	Sep 2008	US$ 22 999	ebay.com
11.		Leica TL2	3.5/5	..	3/5	..	4/5	4/5	Jul 2017	US$ 1 949	ebay.com
12.		Nikon D3S	5/5	..	..	89/100	4.5/5	5/5	Oct 2009	US$ 5 199	ebay.com
13.		Nikon D3X	..	..	..	86/100	4/5	5/5	Dec 2008	US$ 7 999	ebay.com
14.		Nikon D4	..	..	..	..	4.5/5	4.5/5	Jan 2012	US$ 5 999	ebay.com
15.		Nikon D700	..	89/100	..	+ +	4.5/5	4.5/5	Jul 2008	US$ 2 999	ebay.com
16.		Sony A6100	..	..	4/5	82/100	4/5	5/5	Aug 2019	US$ 749	ebay.com
17.		Sony A6400	4/5	+	4/5	85/100	4.5/5	4/5	Jan 2019	US$ 899	amazon.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring to cameras in the same category and of the same age. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, 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.

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Other camera comparisons

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