CAMERA

Advanced Compacts - Pocket Power House (Part 3) : Panasonic LUMIX LX7, Samsung Smart Camera EX2F

4/26/2013 9:22:30 AM

Panasonic LUMIX LX7 - A Premium Compact Camera

Features

The fifth iteration in Panasonic's popular LX series, the LX7 maintains the same 10.1MP resolution and 24-90mm lens of its LX5 predecessor, but at f/1.4-2.3 the lens is now brighter while the 3in LCD screen sees its resolution boosted to 920k dots. The camera offers much the same combination of exposure controls as the others here, with full PASM options joined by Auto and Scene settings, with the further sweeteners of a built-in ND filter and Raw shooting increasing its flexibility even further. A range of Creative Controls allow miniature, retro and cross-processed effects among others to be instantly applied to images, and while the camera doesn’t offer a viewfinder the accessory port underneath the hotshoe accepts an electronic viewfinder. Of course, the hotshoe can be used on its own with external flash units, although a pop-up flash also hides inside the top plate.

Panasonic LUMIX LX7

Panasonic LUMIX LX7

Design

Long with the XZ-2 and RX100, the LX7 offers an aperture ring around its optic, although the physical clicks and markings around the lens means that out of the three it looks and behaves most like a traditional aperture ring. There's only one mode dial on the top plate, and the grip doesn't appear significant in the hand, while the command dial on the back plate could do with protruding further out for better purchase. Furthermore, the camera is the only one out of the seven to have the functions on the menu pad buttons engraved rather than labeled in text, which makes them harder to read. There is. however, much to redeem these small issues, such as the generously-sized shutter release button, as well as the ND/focus rocker on the back which is sensitive enough for precise manual focusing adjustments.

Long with the XZ-2 and RX100, the LX7 offers an aperture ring around its optic

Long with the XZ-2 and RX100, the LX7 offers an aperture ring around its optic

Image Quality

With a slightly lower sensor resolution it’s not surprising to find the LX7 resolves marginally less detail than the average here. Detail is well maintained at middlemost ISO settings, although noise reduction in JPEGs is heavy-handed, particularly as ISO increases. Exposures from the LX7 are slightly more balanced than with some of the others; typically this means that shadowy areas are not lifted to the same degree as with the G15 and XF1, for example, but that overexposure and blown highlights are less common. Colors in images are pleasing, and there’s some distortion at wide angle, although comer sharpness is above average.

Detail is well maintained at middlemost ISO settings, although noise reduction in JPEGs is heavy-handed, particularly as ISO increases.

Detail is well maintained at middlemost ISO settings, although noise reduction in JPEGs is heavy-handed, particularly as ISO increases.

Performance

The LX7 turns on and is ready to shoot in good time, although, for whatever reason, it takes a good few seconds before the menu system may be accessed. The screen’s contrast is pleasing, although it does lack the bite of some of the others here, notably those on Nikon’s and Olympus's offerings. The zoom moves slowly, although this is understandable given the relatively narrow focal range, while the focusing system is capable, on a par with the other cameras here (but with a slightly slower performance in darker conditions). Shot-to-shot times are excellent, and the leveling function helpfully stretches across the entire display too.

Key Specs

§  SENSOR: 10.1MP. 1/1.7in type MOS sensor

§  LENS: 24-90mm f/1.4-2.3

§  DISPLAY: 3in TFT LCD. 920< dots

§  ISO: 80-6400 (exp. to 12.800 equivalent)

§  EXPOSURE MODES: iAuto, scene, PASM

§  MOVIE MODE: 1920x1080 50fps, 1280x720  50fps

§  WEIGHT: 298g

§  DIMENSIONS: 111.5 x 67.1 x 45.6mm

Samsung Smart Camera EX2F

Features

One of only two cameras to offer a side-articulating LCD (the other being the Nikon P7700), the EX2F also lists Wi-Fi technology among its highlights. With this the user can upload their images and videos to social networking sites or cloud services, or simply email them to others. The camera’s 24-80mm lens may have the shortest reach here but it stands out from the spec sheet on account of its wide f/1.4-2.7 aperture (no doubt helped by its more limited range). The lens also boasts an image-stabilization system, while behind it sits a 12.4MP back-illuminated CMOS sensor which is capable of capturing full HD videos. The screen on the back differs from all the others here by being based on OLED rather than LCD technology, and while it matches the others in providing a Raw shooting mode, it goes an extra step with basic Raw editing functions.

Samsung EX2F

Design

The EX2F has been crafted from magnesium alloy, which gives it a reassuring weight and feel. The grip may not be as comfortably rubbered as Nikon’s P770D, or as intuitively designed as Olympus’s XZ-2, but it is defined and does ensure better purchase than grip-less models. It'd be nice, however, to see the front command dial standing out from the grip; as it is, it’s comfortable operation requires the user to reposition their hand slightly from the holding position. The menu pad dial on the rear turns easily, although the lack of space between this dial and the side of the LCD makes it easy for the thumb to rub up against the latter when the screen is flush against the camera. The menu system, however, scores points for its clarity, with well-described options and a pleasing black/ blue palette used throughout.

The EX2F has been crafted from magnesium alloy, which gives it a reassuring weight and feel.

The EX2F has been crafted from magnesium alloy, which gives it a reassuring weight and feel.

Image Quality

Although the camera resolves very good detail at its lowest few sensitivities, at ISO 800 and onwards it falls down hard, to the extent that at higher sensitivities the graph below no longer shows how much detail is actually being resolved. Colors captured in studio conditions show decent saturation, although in real-world conditions mages appear somewhat dull and in need of processing to make them shine. The metering system is also prone to underexposure, although details are maintained well in corners and edges when compared with more central areas, and it’s pleasing to see chromatic aberrations confined only to peripheral areas.

Colors captured in studio conditions show decent saturation, although in real-world conditions mages appear somewhat dull and in need of processing to make them shine.

Colors captured in studio conditions show decent saturation, although in real-world conditions mages appear somewhat dull and in need of processing to make them shine.

Performance

The EX2F’s screen has nicely saturated colors and a reasonable viewing angle too, although it lacks contrast and can sometimes take on a green cast. The focusing system performs well in good light, with just a touch of a slow-down against darker low-contrast subjects, while the bright green boxes clearly indicate areas brought into focus. Although write times are slow when compared with the rest of the group, the camera does at least allow images to be taken as obvious captures are being processed. The menu also impresses, however, with clear descriptions and the fluidly-moving menu pad dial making its navigation easy.

Key Specs

§  SENSOR: 12.4MP. 1/1.7in type CMOS sensor

§  LENS: 24-80mni f/1.4-2.7

§  DISPLAY: 3in AM0LED. 614k dots (articulated)

§  ISO: 80-3200 (exp. to 12.800 equivalent settings)

§  EXPOSURE MODES: Smart Auto, scene. PASM

§  MOVIEMODE: 1920x1080 33fps, 1280 x 750 30fp

§  WEIGHT: 286g

§  DIMENSIONS: 112.1 x 62.4 x 27.55mm

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