Panasonic G3 vs L10

The Panasonic Lumix DMC-G3 and the Panasonic Lumix DMC- L10 are two digital cameras that were announced, respectively, in May 2011 and August 2007. The G3 is a mirrorless interchangeable lens camera, while the L10 is a DSLR. Both cameras are equipped with a Four Thirds sensor. The G3 has a resolution of 15.8 megapixels, whereas the L10 provides 10 MP.

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

Headline Specifications

Panasonic G3		Panasonic L10
Mirrorless system camera		Digital single lens reflex
Micro Four Thirds lenses		Four Thirds lenses
15.8 MP – Four Thirds sensor		10 MP – Four Thirds sensor
1080/60i Video		no Video
ISO 160-6,400		ISO 100-1,600
Electronic viewfinder (1440k dots)		Optical viewfinder
3.0" LCD – 460k dots		2.5" LCD – 207k dots
Swivel touchscreen		Swivel screen (not touch-sensitive)
4 shutter flaps per second		3 shutter flaps per second
270 shots per battery charge		450 shots per battery charge
115 x 84 x 47 mm, 336 g		135 x 96 x 78 mm, 556 g

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Going beyond this snapshot of core features and characteristics, what are the differences between the Panasonic Lumix DMC-G3 and the Panasonic Lumix DMC- L10? 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 Panasonic G3 and the Panasonic L10 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.

The G3 can be obtained in four different colors (black, brown, red, white), while the L10 is only available in black.

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic L10 is notably larger (34 percent) than the Panasonic G3. Moreover, the L10 is substantially heavier (65 percent) than the G3. In this context, it is worth noting that neither the G3 nor the L10 are weather-sealed.

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. Both cameras have similarly sized sensors, but DSLRs have a larger flange-to-focal plane distance than mirrorless cameras, which imposes contraints on the optical engineering process and generally leads to bigger and heavier lenses. You can compare the optics available for the two cameras in the Micro Four Thirds Lens Catalog (G3) and the Four Thirds Lens Catalog (L10). Mirrorless cameras, such as the Panasonic G3, 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.

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.

Body Specifications

		Camera Model	Camera Width	Camera Height	Camera Depth	Camera Weight	Battery Life	Weather Sealing	Camera Launch	Launch Price	Street Price
1.		Panasonic G3	115 mm	84 mm	47 mm	336 g	270	n	May 2011	US$ 599	ebay.com
2.		Panasonic L10	135 mm	96 mm	78 mm	556 g	450	n	Aug 2007	US$ 599	ebay.com
3.		Olympus E-410	130 mm	91 mm	53 mm	435 g	500	n	Mar 2007	US$ 699	ebay.com
4.		Olympus E-420	130 mm	91 mm	53 mm	440 g	500	n	Mar 2008	US$ 599	ebay.com
5.		Olympus E-520	136 mm	92 mm	68 mm	535 g	750	n	May 2008	US$ 699	ebay.com
6.		Panasonic G1	124 mm	84 mm	45 mm	360 g	410	n	Sep 2008	US$ 599	ebay.com
7.		Panasonic G2	124 mm	84 mm	74 mm	428 g	360	n	Mar 2010	US$ 599	ebay.com
8.		Panasonic G5	120 mm	83 mm	71 mm	396 g	320	n	Jul 2012	US$ 599	ebay.com
9.		Panasonic G6	122 mm	85 mm	71 mm	390 g	340	n	Apr 2013	US$ 599	ebay.com
10.		Panasonic G10	124 mm	84 mm	74 mm	388 g	380	n	Mar 2010	US$ 499	ebay.com
11.		Panasonic GF2	113 mm	68 mm	33 mm	310 g	300	n	Nov 2010	US$ 549	ebay.com
12.		Panasonic GF3	108 mm	67 mm	32 mm	264 g	300	n	Jun 2011	US$ 549	ebay.com
13.		Panasonic GF6	111 mm	65 mm	38 mm	323 g	340	n	Apr 2013	US$ 499	ebay.com
14.		Panasonic GH2	124 mm	90 mm	76 mm	442 g	330	n	Sep 2010	US$ 899	ebay.com
15.		Panasonic GX1	116 mm	68 mm	39 mm	318 g	320	n	Nov 2011	US$ 699	ebay.com
16.		Panasonic L1	146 mm	87 mm	64 mm	606 g	750	n	Feb 2006	US$ 999	ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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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 two cameras under review were launched at the same price and fall into the same 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 sensor inside a digital camera is one of the key determinants 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature a Four Thirds sensor and have a format factor (sometimes also referred to as "crop factor") of 2.0. Within the spectrum of camera sensors, this places the review cameras among the medium-sized sensor cameras that aim to strike a balance between image quality and portability. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.

While the two cameras under review share the same sensor size, the G3 offers a higher resolution of 15.8 megapixels, compared with 10 MP of the L10. This megapixels advantage translates into a 26 percent gain in linear resolution. On the other hand, these sensor specs imply that the G3 has a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.77μm versus 4.74μm for the L10). In this context, it should be noted, however, that the G3 is much more recent (by 3 years and 8 months) than the L10, and its sensor will have benefitted from technological advances during this time that compensate for the smaller pixel size.

The resolution advantage of the Panasonic G3 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the G3 for good quality output (200 dots per inch) amounts to 23 x 17.2 inches or 58.3 x 43.8 cm, for very good quality (250 dpi) 18.4 x 13.8 inches or 46.7 x 35 cm, and for excellent quality (300 dpi) 15.3 x 11.5 inches or 38.9 x 29.2 cm. The corresponding values for the Panasonic L10 are 18.2 x 13.7 inches or 46.3 x 34.7 cm for good quality, 14.6 x 10.9 inches or 37.1 x 27.8 cm for very good quality, and 12.2 x 9.1 inches or 30.9 x 23.2 cm for excellent quality prints.

The Panasonic Lumix DMC-G3 has a native sensitivity range from ISO 160 to ISO 6400. The corresponding ISO settings for the Panasonic Lumix DMC- L10 are ISO 100 to ISO 1600 (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.

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 Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar imaging performance. 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.		Panasonic G3	Four Thirds	15.8	4592	3448	1080/60i	21.0	10.6	667	56
2.		Panasonic L10	Four Thirds	10.0	3648	2736	none	21.3	10.8	429	55
3.		Olympus E-410	Four Thirds	10.0	3648	2736	none	21.1	10.0	494	51
4.		Olympus E-420	Four Thirds	10.0	3648	2736	none	21.5	10.4	527	56
5.		Olympus E-520	Four Thirds	10.0	3648	2736	none	21.4	10.4	548	55
6.		Panasonic G1	Four Thirds	12.0	4000	3000	none	21.1	10.3	463	53
7.		Panasonic G2	Four Thirds	12.0	4000	3000	720/30p	21.2	10.3	493	53
8.		Panasonic G5	Four Thirds	15.9	4608	3456	1080/60p	21.4	11.6	618	61
9.		Panasonic G6	Four Thirds	15.9	4608	3456	1080/60p	21.3	11.5	639	61
10.		Panasonic G10	Four Thirds	12.0	4000	3000	720/30p	21.2	10.1	411	52
11.		Panasonic GF2	Four Thirds	12.0	4000	3000	1080/60i	21.2	10.3	506	54
12.		Panasonic GF3	Four Thirds	12.0	4000	3000	1080/60i	20.6	10.1	459	50
13.		Panasonic GF6	Four Thirds	15.8	4592	3448	1080/60i	20.7	10.6	622	54
14.		Panasonic GH2	Four Thirds	15.9	4608	3456	1080/60i	21.2	11.3	655	60
15.		Panasonic GX1	Four Thirds	15.8	4592	3448	1080/60p	20.8	10.6	703	55
16.		Panasonic L1	Four Thirds	7.4	3136	2352	none	20.8	10.4	80	52
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras cannot only take still pictures, but also record videos. The G3 indeed provides movie recording capabilities, while the L10 does not. The highest resolution format that the G3 can use is 1080/60i.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the G3 has an electronic viewfinder (1440k dots), while the L10 has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinder in the G3 offers a wider field of view (100%) than the one in the L10 (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the G3 has a higher magnification (0.70x vs 0.46x), 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 Panasonic G3, the Panasonic L10, 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.		Panasonic G3	1440	n	3.0 / 460	swivel	Y	1/4000s	4.0/s	Y	n
2.		Panasonic L10	optical	n	2.5 / 207	swivel	n	1/4000s	3.0/s	Y	n
3.		Olympus E-410	optical	n	2.5 / 215	fixed	n	1/4000s	3.0/s	Y	n
4.		Olympus E-420	optical	n	2.7 / 215	fixed	n	1/4000s	3.5/s	Y	n
5.		Olympus E-520	optical	n	2.7 / 215	fixed	n	1/4000s	3.5/s	Y	Y
6.		Panasonic G1	1440	n	3.0 / 460	swivel	n	1/4000s	3.0/s	Y	n
7.		Panasonic G2	1440	n	3.0 / 460	swivel	Y	1/4000s	2.6/s	Y	n
8.		Panasonic G5	1440	n	3.0 / 920	swivel	Y	1/4000s	6.0/s	Y	n
9.		Panasonic G6	1440	n	3.0 / 1036	swivel	Y	1/4000s	7.0/s	Y	n
10.		Panasonic G10	202	n	3.0 / 460	fixed	n	1/4000s	2.6/s	Y	n
11.		Panasonic GF2	optional	n	3.0 / 460	fixed	Y	1/4000s	2.6/s	Y	n
12.		Panasonic GF3	none	n	3.0 / 460	fixed	Y	1/4000s	3.2/s	Y	n
13.		Panasonic GF6	none	n	3.0 / 1040	tilting	Y	1/4000s	4.2/s	Y	n
14.		Panasonic GH2	1534	n	3.0 / 460	swivel	n	1/4000s	3.0/s	Y	n
15.		Panasonic GX1	optional	n	3.0 / 460	fixed	Y	1/4000s	4.2/s	Y	n
16.		Panasonic L1	optical	n	2.5 / 207	fixed	n	1/4000s	3.0/s	Y	n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The G3 has a touchscreen, while the L10 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The G3 writes its imaging data to SDXC cards, while the L10 uses SDHC 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 Panasonic Lumix DMC-G3 and Panasonic Lumix DMC- L10 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.		Panasonic G3	Y	stereo / mono	-	-	mini	2.0	-	-	-
2.		Panasonic L10	Y	- / -	-	-	-	2.0	-	-	-
3.		Olympus E-410	Y	- / -	-	-	-	2.0	-	-	-
4.		Olympus E-420	Y	- / -	-	-	-	2.0	-	-	-
5.		Olympus E-520	Y	- / -	-	-	-	2.0	-	-	-
6.		Panasonic G1	Y	- / -	-	-	mini	2.0	-	-	-
7.		Panasonic G2	Y	stereo / mono	-	-	mini	2.0	-	-	-
8.		Panasonic G5	Y	stereo / mono	-	-	mini	2.0	-	-	-
9.		Panasonic G6	Y	stereo / mono	Y	-	mini	2.0	Y	Y	-
10.		Panasonic G10	Y	mono / -	-	-	mini	2.0	-	-	-
11.		Panasonic GF2	Y	stereo / mono	-	-	mini	2.0	-	-	-
12.		Panasonic GF3	-	stereo / mono	-	-	mini	2.0	-	-	-
13.		Panasonic GF6	-	stereo / mono	-	-	mini	2.0	Y	Y	-
14.		Panasonic GH2	Y	stereo / mono	Y	-	mini	2.0	-	-	-
15.		Panasonic GX1	Y	stereo / mono	-	-	mini	2.0	-	-	-
16.		Panasonic L1	Y	- / -	-	-	-	2.0	-	-	-

Both the G3 and the L10 have been discontinued, but can regularly be found used on ebay. The G3 was replaced by the Panasonic G5, while the L10 does not have a direct successor. Further information on the features and operation of the G3 and L10 can be found, respectively, in the Panasonic G3 Manual (free pdf) or the online Panasonic L10 Manual.

Review summary

So what is the bottom line? Is there a clear favorite between the Panasonic G3 and the Panasonic L10? Which camera is better? Below is a summary of the relative strengths of each of the two contestants.

Reasons to prefer the Panasonic Lumix DMC-G3:

• More detail: Offers more megapixels (15.8 vs 10MP) with a 26% higher linear resolution.
• Better low-light sensitivity: Requires less light for good images (0.6 stops ISO advantage).
• Broader imaging potential: Can record not only still images but also 1080/60i movies.
• More framing info: Has an electronic viewfinder that displays shooting data.
• 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 (0.70x vs 0.46x).
• Larger screen: Has a bigger rear LCD (3.0" vs 2.5") for image review and settings control.
• More detailed LCD: Has a higher resolution rear screen (460k vs 207k dots).
• Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
• Faster burst: Shoots at higher frequency (4 vs 3 flaps/sec) to capture the decisive moment.
• More compact: Is smaller (115x84mm vs 135x96mm) and thus needs less room in the bag.
• Less heavy: Is lighter (by 220g or 40 percent) and hence easier to carry around.
• More legacy lens friendly: Can take a broad range of non-native lenses via adapters.
• More modern: Reflects 3 years and 8 months of technical progress since the L10 launch.

Arguments in favor of the Panasonic Lumix DMC- L10:

• Brighter framing: Features an optical viewfinder for clear, lag-free composition.
• Longer lasting: Gets more shots (450 versus 270) out of a single battery charge.
• More heavily discounted: Has been around for much longer (launched in August 2007).

If the count of relative strengths (bullet points above) is taken as a measure, the G3 is the clear winner of the match-up (14 : 3 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 wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports 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 Panasonic G3 and the Panasonic L10 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 comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the G3 or the L10 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 hands-on reviews by experts 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.

Expert Camera Reviews

		Camera   Model	AP   score	CL   score	DCW   score	DPR   score	EPZ   score	PB   score	Camera Launch	Launch Price	Street Price
1.		Panasonic G3	3/5	+ +	..	75/100	4.5/5	5/5	May 2011	US$ 599	ebay.com
2.		Panasonic L10	..	85/100	..	+	3.5/5	4/5	Aug 2007	US$ 599	ebay.com
3.		Olympus E-410	..	86/100	..	+ +	4/5	4.5/5	Mar 2007	US$ 699	ebay.com
4.		Olympus E-420	..	85/100	..	+ +	4/5	4.5/5	Mar 2008	US$ 599	ebay.com
5.		Olympus E-520	..	87/100	..	+ +	4.5/5	4.5/5	May 2008	US$ 699	ebay.com
6.		Panasonic G1	..	+ +	..	70/100	4/5	4.5/5	Sep 2008	US$ 599	ebay.com
7.		Panasonic G2	..	..	..	72/100	4/5	4.5/5	Mar 2010	US$ 599	ebay.com
8.		Panasonic G5	3/5	+ +	..	..	4.5/5	4.5/5	Jul 2012	US$ 599	ebay.com
9.		Panasonic G6	4/5	+ +	..	..	5/5	4.5/5	Apr 2013	US$ 599	ebay.com
10.		Panasonic G10	3/5	..	..	70/100	4/5	4/5	Mar 2010	US$ 499	ebay.com
11.		Panasonic GF2	3/5	82/100	..	70/100	4.5/5	4.5/5	Nov 2010	US$ 549	ebay.com
12.		Panasonic GF3	3/5	82/100	..	71/100	4.5/5	4/5	Jun 2011	US$ 549	ebay.com
13.		Panasonic GF6	..	+ +	..	..	4.5/5	4.5/5	Apr 2013	US$ 499	ebay.com
14.		Panasonic GH2	5/5	+ +	..	79/100	4.5/5	5/5	Sep 2010	US$ 899	ebay.com
15.		Panasonic GX1	3/5	+	..	77/100	4.5/5	4.5/5	Nov 2011	US$ 699	ebay.com
16.		Panasonic L1	..	85/100	..	+	..	3.5/5	Feb 2006	US$ 999	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. 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, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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Other camera comparisons

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