Leica V-LUX 2 vs Pentax 645Z

The Leica V-LUX 2 and the Pentax 645Z are two digital cameras that were announced, respectively, in September 2010 and April 2014. The V-LUX 2 is a fixed lens compact, while the 645Z is a DSLR. The cameras are based on a 1/2.3-inch (V-LUX 2) and a medium format (645Z) sensor. The Leica has a resolution of 14 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.

Headline Specifications

Leica V-LUX 2		Pentax 645Z
Fixed lens compact camera		Digital single lens reflex
25-600mm f/2.8-5.2		Pentax 645 mount lenses
14 MP – 1/2.3" sensor		51.1 MP – Medium Format sensor
1080/60i Video		1080/60i Video
ISO 100-1,600 (100 - 6,400)		ISO 100-204,800
Electronic viewfinder (202k dots)		Optical viewfinder
3.0" LCD – 460k dots		3.2" LCD – 1037k dots
Swivel screen (not touch-sensitive)		Tilting screen (no touchscreen)
11 shutter flaps per second		3 shutter flaps per second
not weather sealed		Weathersealed body
410 shots per battery charge		650 shots per battery charge
124 x 80 x 95 mm, 520 g		156 x 117 x 123 mm, 1550 g

Check V-LUX 2 offers at
ebay.com
Check 645Z offers at
ebay.com

Going beyond this snapshot of core features and characteristics, what are the differences between the Leica V-LUX 2 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 physical size and weight of the Leica V-LUX 2 and the Pentax 645Z 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 size 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 Pentax 645Z is considerably larger (84 percent) than the Leica V-LUX 2. It is noteworthy in this context that the 645Z is splash and dust-proof, while the V-LUX 2 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the V-LUX 2 has a lens built in, whereas the 645Z is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup.

Concerning battery life, the V-LUX 2 gets 410 shots out of its Leica BP-DC9 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 would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

Body Specifications

#		Camera Model	Camera Width	Camera Height	Camera Depth	Camera Weight	Battery Life	Weather Sealing	Camera Launch	Launch Price (USD)	Street Price
1.		Leica V-LUX 2	124 mm	80 mm	95 mm	520 g	410	n	Sep 2010	849	ebay.com
2.		Pentax 645Z	156 mm	117 mm	123 mm	1550 g	650	Y	Apr 2014	8,499	ebay.com
3.		Canon 5DS	152 mm	116 mm	76 mm	930 g	700	Y	Feb 2015	3,699	ebay.com
4.		Canon 5DS R	152 mm	116 mm	76 mm	930 g	700	Y	Feb 2015	3,699	ebay.com
5.		Canon G1 X Mark II	116 mm	74 mm	66 mm	553 g	240	n	Feb 2014	799	ebay.com
6.		Canon SX40	123 mm	92 mm	108 mm	600 g	380	n	Sep 2011	429	ebay.com
7.		Canon SX30	123 mm	92 mm	108 mm	601 g	370	n	Sep 2010	429	ebay.com
8.		Canon SX20	123 mm	88 mm	87 mm	600 g	..	n	Aug 2009	399	ebay.com
9.		Hasselblad X1D	150 mm	98 mm	71 mm	725 g	..	Y	Jun 2016	8,995	ebay.com
10.		Leica SL	147 mm	104 mm	39 mm	847 g	400	Y	Oct 2015	7,450	ebay.com
11.		Leica X Typ 113	133 mm	73 mm	78 mm	486 g	350	n	Sep 2014	2,295	ebay.com
12.		Leica V-LUX 4	125 mm	87 mm	110 mm	588 g	540	n	Sep 2012	949	ebay.com
13.		Leica V-LUX 3	124 mm	81 mm	95 mm	540 g	410	n	Dec 2011	949	ebay.com
14.		Leica V-LUX 1	141 mm	86 mm	142 mm	734 g	360	n	Sep 2006	849	ebay.com
15.		Panasonic FZ150	124 mm	82 mm	92 mm	528 g	410	n	Aug 2011	499	ebay.com
16.		Panasonic FZ100	124 mm	82 mm	92 mm	540 g	410	n	Jul 2010	499	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.
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 V-LUX 2 was launched at a lower price than the 645Z, despite having a lens built in. 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. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels 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 V-LUX 2 features a 1/2.3-inch sensor and the Pentax 645Z a medium format sensor. The sensor area in the 645Z is 5032 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 5.6 and 0.79. Both cameras feature a native aspect ratio (sensor width to sensor height) of 4:3.

With 51.1MP, the 645Z offers a higher resolution than the V-LUX 2 (14MP), but the 645Z nevertheless has larger individual pixels (pixel pitch of 5.30μm versus 1.41μm for the V-LUX 2) due to its larger sensor. Moreover, the 645Z is a much more recent model (by 3 years and 6 months) than the V-LUX 2, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the 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 Leica V-LUX 2 are 21.6 x 16.2 inches or 54.9 x 41.1 cm for good quality, 17.3 x 13 inches or 43.9 x 32.9 cm for very good quality, and 14.4 x 10.8 inches or 36.6 x 27.4 cm for excellent quality prints.

The Leica V-LUX 2 has a native sensitivity range from ISO 100 to ISO 1600, which can be extended to ISO 100-6400. 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.

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 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 V-LUX 2	1/2.3	14.0	4320	3240	1080/60i	19.4	10.7	321	39
2.		Pentax 645Z	Medium Format	51.1	8256	6192	1080/60i	26.0	14.7	4505	101
3.		Canon 5DS	Full Frame	50.3	8688	5792	1080/30p	24.7	12.4	2381	87
4.		Canon 5DS R	Full Frame	50.3	8688	5792	1080/30p	24.6	12.4	2308	86
5.		Canon G1 X Mark II	1.5-inch	13.0	4160	3120	1080/30p	21.5	10.8	581	58
6.		Canon SX40	1/2.3	12.0	4000	3000	1080/24p	19.6	10.9	409	41
7.		Canon SX30	1/2.3	14.0	4320	3240	720/30p	19.4	10.7	320	39
8.		Canon SX20	1/2.3	12.0	4000	3000	720/30p	19.2	10.5	225	37
9.		Hasselblad X1D	Medium Format	51.3	8272	6200	1080/25p	26.2	14.8	4489	102
10.		Leica SL	Full Frame	24.0	6000	4000	4K/30p	25.0	13.4	1821	88
11.		Leica X Typ 113	APS-C	16.1	4928	3264	1080/30p	23.6	12.8	1491	78
12.		Leica V-LUX 4	1/2.3	12.0	4000	3000	1080/60p	19.8	11.1	501	43
13.		Leica V-LUX 3	1/2.3	12.0	4000	3000	1080/60p	19.7	11.0	430	42
14.		Leica V-LUX 1	1/1.8	10.0	3648	2736	480/30p	18.4	9.5	-727	29
15.		Panasonic FZ150	1/2.3	12.0	4000	3000	1080/60p	19.4	10.9	132	40
16.		Panasonic FZ100	1/2.3	14.0	4320	3240	1080/60i	19.4	10.7	306	39
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 two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, and both provide the same movie specifications (1080/60i).

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the V-LUX 2 has an electronic viewfinder (202k dots), while the 645Z 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 table below summarizes some of the other core capabilities of the Leica V-LUX 2 and Pentax 645Z in connection with corresponding information for a sample of similar 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.		Leica V-LUX 2	202	n	3.0 / 460	swivel	n	1/2000s	11.0/s	Y	Y
2.		Pentax 645Z	optical	Y	3.2 / 1037	tilting	n	1/4000s	3.0/s	n	n
3.		Canon 5DS	optical	Y	3.2 / 1040	fixed	n	1/8000s	5.0/s	n	n
4.		Canon 5DS R	optical	Y	3.2 / 1040	fixed	n	1/8000s	5.0/s	n	n
5.		Canon G1 X Mark II	optional	n	3.0 / 1040	tilting	Y	1/4000s	5.2/s	Y	Y
6.		Canon SX40	202	n	2.7 / 230	swivel	n	1/3200s	10.3/s	Y	Y
7.		Canon SX30	202	n	2.7 / 230	swivel	n	1/3200s	0.6/s	Y	Y
8.		Canon SX20	202	n	2.5 / 230	swivel	n	1/3200s	0.7/s	Y	Y
9.		Hasselblad X1D	2360	n	3.0 / 920	fixed	Y	1/2000s	2.3/s	n	n
10.		Leica SL	4400	Y	3.0 / 1040	fixed	Y	1/8000s	11.0/s	n	n
11.		Leica X Typ 113	optional	n	3.0 / 920	fixed	n	1/2000s	5.0/s	Y	n
12.		Leica V-LUX 4	1312	n	3.0 / 460	swivel	n	1/4000s	12.0/s	Y	Y
13.		Leica V-LUX 3	202	n	3.0 / 460	swivel	n	1/2000s	12.0/s	Y	Y
14.		Leica V-LUX 1	235	n	2.0 / 207	tilting	n	1/2000s	2.0/s	Y	Y
15.		Panasonic FZ150	202	n	3.0 / 460	swivel	n	1/2000s	12.0/s	Y	Y
16.		Panasonic FZ100	202	n	3.0 / 460	swivel	n	1/2000s	11.0/s	Y	Y
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 V-LUX 2 has one, while the 645Z does not. While the built-in flash of the V-LUX 2 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.

Concerning the storage of imaging data, both the V-LUX 2 and the 645Z write their files to SDXC cards. The 645Z features dual card slots, which can be very useful in case a memory card fails. In contrast, the V-LUX 2 only has one slot. The 645Z supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the V-LUX 2 cannot take advantage of Ultra High Speed SD 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 V-LUX 2 and Pentax 645Z 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 V-LUX 2	Y	stereo / mono	-	-	mini	2.0	-	-	-
2.		Pentax 645Z	Y	stereo / mono	Y	-	mini	3.0	-	-	-
3.		Canon 5DS	Y	mono / mono	Y	-	mini	3.0	-	-	-
4.		Canon 5DS R	Y	mono / mono	Y	-	mini	3.0	-	-	-
5.		Canon G1 X Mark II	Y	stereo / mono	-	-	mini	2.0	Y	Y	-
6.		Canon SX40	Y	stereo / mono	-	-	YES	2.0	-	-	-
7.		Canon SX30	Y	stereo / mono	-	-	YES	2.0	-	-	-
8.		Canon SX20	Y	stereo / mono	-	-	YES	2.0	-	-	-
9.		Hasselblad X1D	Y	stereo / mono	Y	Y	mini	3.0	Y	-	-
10.		Leica SL	Y	stereo / mono	Y	Y	full	3.0	Y	-	-
11.		Leica X Typ 113	Y	stereo / mono	-	-	mini	2.0	-	-	-
12.		Leica V-LUX 4	Y	stereo / mono	Y	-	mini	2.0	-	-	-
13.		Leica V-LUX 3	Y	stereo / -	-	-	mini	2.0	-	-	-
14.		Leica V-LUX 1	Y	mono / mono	-	-	-	2.0	-	-	-
15.		Panasonic FZ150	Y	stereo / -	-	-	mini	2.0	-	-	-
16.		Panasonic FZ100	Y	stereo / mono	-	-	mini	2.0	-	-	-
17.		Pentax 645D	Y	stereo / -	-	-	-	2.0	-	-	-

It is notable that the 645Z has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The V-LUX 2 does not feature such a mic input.

Studio photographers will appreciate that the Pentax 645Z (unlike the V-LUX 2) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the V-LUX 2 and the 645Z have been discontinued, but can regularly be found used on ebay. The V-LUX 2 was replaced by the Leica V-LUX 3, while the 645Z does not have a direct successor. Further information on the features and operation of the V-LUX 2 and 645Z can be found, respectively, in the Leica V-LUX 2 Manual (free pdf) or the online Pentax 645Z Manual.

Review summary

So what conclusions can be drawn? Is the Leica V-LUX 2 better than the Pentax 645Z or vice versa? The listing below highlights the relative strengths of the two models.

Reasons to prefer the Leica V-LUX 2:

• More framing info: Has an electronic viewfinder that displays shooting data.
• More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
• More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
• Faster burst: Shoots at higher frequency (11 vs 3 flaps/sec) to capture the decisive moment.
• Ready to shoot: Comes with a built-in lens, while the 645Z requires a separate lens.
• More compact: Is smaller (124x80mm vs 156x117mm) and thus needs less room in the bag.
• Less heavy: Is lighter even though it comes with a built-in lens (unlike the 645Z).
• Sharper images: Has hand-shake reducing image stabilization built-in.
• Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
• More prestigious: Has the Leica luxury appeal, which ensures a high resale price.
• More affordable: Was introduced at a lower price, despite coming with a built-in lens.
• More heavily discounted: Has been available for much longer (launched in September 2010).

Advantages of the Pentax 645Z:

• More detail: Has more megapixels (51.1 vs 14MP), which boosts linear resolution by 91%.
• Better image quality: Is equipped with a larger and more technologically advanced sensor.
• Richer colors: The sensor size advantage translates into images with better, more accurate colors.
• More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
• Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
• Better sound: Can connect to an external microphone for higher quality sound recording.
• Brighter framing: Features an optical viewfinder for clear, lag-free composition.
• Easier setting verification: Features a control panel on top to check shooting parameters.
• Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
• More detailed LCD: Has a higher resolution rear screen (1037k vs 460k dots).
• Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/2000s) to freeze action.
• Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
• More flexible: Makes it possible to change lenses and thus to use specialty optics.
• Longer lasting: Gets more shots (650 versus 410) 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 2.0).
• 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.
• Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
• More modern: Reflects 3 years and 6 months of technical progress since the V-LUX 2 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the 645Z is the clear winner of the contest (20 : 12 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding 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 Leica V-LUX 2 and the Pentax 645Z place the cameras among the top in their class? Find out in the latest Best Superzoom Camera and Best DSLR Camera listings 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 V-LUX 2 or the 645Z. 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 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 (USD)	Street Price
1.		Leica V-LUX 2	..	..	..	..	..	..	Sep 2010	849	ebay.com
2.		Pentax 645Z	5/5	..	3.5/5	..	4.5/5	5/5	Apr 2014	8,499	ebay.com
3.		Canon 5DS	..	+	..	83/100	4.5/5	4.5/5	Feb 2015	3,699	ebay.com
4.		Canon 5DS R	5/5	+	..	83/100	5/5	4.5/5	Feb 2015	3,699	ebay.com
5.		Canon G1 X Mark II	3/5	+	..	77/100	4/5	4.5/5	Feb 2014	799	ebay.com
6.		Canon SX40	..	+	..	..	4.5/5	4/5	Sep 2011	429	ebay.com
7.		Canon SX30	3/5	+ +	..	..	3.5/5	4/5	Sep 2010	429	ebay.com
8.		Canon SX20	..	+ +	..	73/100	..	4/5	Aug 2009	399	ebay.com
9.		Hasselblad X1D	..	o	..	81/100	..	4/5	Jun 2016	8,995	ebay.com
10.		Leica SL	4/5	..	4/5	84/100	4.5/5	4/5	Oct 2015	7,450	ebay.com
11.		Leica X Typ 113	3.5/5	..	..	..	3.5/5	4/5	Sep 2014	2,295	ebay.com
12.		Leica V-LUX 4	..	..	..	..	..	..	Sep 2012	949	ebay.com
13.		Leica V-LUX 3	..	..	..	..	..	..	Dec 2011	949	ebay.com
14.		Leica V-LUX 1	..	..	..	..	..	..	Sep 2006	849	ebay.com
15.		Panasonic FZ150	3/5	+ +	..	76/100	4/5	4.5/5	Aug 2011	499	ebay.com
16.		Panasonic FZ100	..	+	..	..	4.5/5	4.5/5	Jul 2010	499	ebay.com
17.		Pentax 645D	5/5	..	..	..	..	..	Mar 2010	9,995	ebay.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. Hence, a score should always be seen in the context of the camera's market launch date and its price, 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.

Check V-LUX 2 offers at
ebay.com
Check 645Z offers at
ebay.com

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. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

~

Check V-LUX 2 offers at
ebay.com
Check 645Z offers at
ebay.com

Did you notice an error on this page? If so, please get in touch, so that we can correct the information.