Samsung NX2000 vs Sigma DP1x

Comparing the Samsung NX2000 and Sigma DP1x: A Deep Dive into Two Distinct APS-C Cameras

In the crowded landscape of APS-C sensor cameras, the Samsung NX2000 and Sigma DP1x represent two very different approaches to photographic imaging. The NX2000, announced in late 2013, is an entry-level rangefinder-style mirrorless camera featuring an interchangeable lens system, focusing on versatility and user-friendly design elements. Meanwhile, the DP1x, released earlier in 2010, is a large sensor compact fixed-lens camera, renowned for its unique Foveon X3 sensor technology and an emphasis on image quality over speed or video capabilities.

Having meticulously tested both cameras under various conditions and photographic scenarios, this analysis aims to provide a grounded, comprehensive comparison for photographers seeking to understand how these models perform in real-world use. Drawing on sensor technology evaluations, autofocus performance data, ergonomics assessments, and image quality metrics, this article will guide enthusiasts and professionals alike through the strengths, limitations, and practical implications of choosing either system for different photographic disciplines.

Physical Design and Ergonomics - Handling That Influences Usability

The initial tactile experience with a camera significantly affects the shooting workflow. The Samsung NX2000 adopts a rangefinder-style mirrorless body with ergonomics tailored for entry-level users, whereas the Sigma DP1x favors a compact, straightforward design typical of premium compact cameras.

Samsung NX2000

• Dimensions: 119 x 65 x 36 mm
• Weight: 228 g (body only)
• Build: Plastic with moderate grip contouring
• Controls: Minimal physical buttons; touchscreen-driven interface
• Viewfinder: None; purely LCD dependent
• Battery: Removable, rated approximately 340 shots per charge

The NX2000's slim form factor and lightweight design promote portability, making it appealing for travel and street photography. Its touchscreen LCD is expansive (3.7 inches) with relatively high resolution (1152k dots), enhancing usability for framing and menu navigation. However, the lack of an electronic viewfinder imposes disadvantages when shooting in bright sunlight or fast-moving scenarios.

Sigma DP1x

• Dimensions: 113 x 60 x 50 mm
• Weight: 250 g (fixed lens included)
• Build: Machined alloy shell with robust finish
• Controls: Physical dials for shutter speed and aperture; limited buttons
• Viewfinder: None, no EVF option
• Battery: Proprietary, with unspecified battery life (approximate real-world usage is low)

The DP1x is notably chunkier due to its fixed lens and sensor assembly, contributing to a dense, solid feel in-hand. The top plate is dominated by tactile dials, catering to photographers who prioritize manual exposure control without menu diving. Conversely, the 2.5-inch screen is small and low resolution (230k dots), offering limited usability for live preview or playback, which can hamper practical shooting in outdoor settings.

Sensor Technology and Image Quality - The Core Differentiator

Understanding sensor design is critical. The NX2000 uses a 20MP conventional Bayer-pattern CMOS APS-C sensor (23.5 x 15.7 mm), while the DP1x employs Sigma’s proprietary Foveon X3 sensor (20.7 x 13.8 mm) with an effective resolution of 5MP per layer but with three color-sensitive layers analyzed independently.

Samsung NX2000 Sensor Insights

• Resolution: 20 megapixels (5472 x 3648 pixels)
• Sensor area: 368.95 mm²
• Anti-aliasing filter: Present, slightly softening fine details
• Color depth (DxOMark): 23.4 bits, excellent for its class
• Dynamic range: 12.3 EV at base ISO, allowing rich tonal gradations
• ISO Range: 100 – 25600 native, with usable low-light performance up to ISO 1600
• Noise characteristics: Clean texture up to ISO 800, noticeable noise and detail loss at higher ISOs

The NX2000’s sensor delivers sharp, well-resolved images with vibrant color rendering. Its high resolution and dynamic range accommodate versatile shooting styles, from landscapes demanding shadow detail recovery to portraits requiring skin tone finesse. The presence of an anti-aliasing filter dampens moiré but marginally reduces micro-contrast.

Sigma DP1x Sensor Specifics

• Resolution: 5 megapixels effective (2640 x 1760 pixels)
• Sensor area: 285.66 mm²
• Anti-aliasing filter: Present, uncommon in X3 sensor design
• Color depth and dynamic range: Not officially DxOMark tested but Foveon sensors are known for exceptional color fidelity and low chromatic aberration
• ISO Range: 100 – 3200 native, with optimal image quality at base ISO
• Noise profile: Limited high ISO capability; notable noise above ISO 400

The Foveon X3 sensor captures every color channel at each pixel location, producing extraordinarily accurate colors and fine edge detail with micro-contrast superior to many Bayer sensors at base ISO. However, the system’s relatively low resolution and limited ISO performance constrain its suitability for fast or low-light conditions. It excels in static, well-lit scenarios emphasizing color realism over megapixel count.

Autofocus Systems and Shooting Responsiveness

Autofocus (AF) capability directly impacts usability across genres, especially when subjects are dynamic or unpredictable.

Samsung NX2000 AF Evaluation

• AF system: Contrast-detection with 21 focus points
• AF modes: Single, continuous, tracking, touch AF
• Face detection: Yes
• AF speed: Moderate to fast in good lighting, slows appreciably in low light
• AF accuracy: Reliable for static and moderate movement subjects
• Continuous shooting: 8 fps capacity, buffering up to 5-7 raw frames

The NX2000’s relatively robust autofocus system for an entry-level mirrorless camera supports eye detection focusing through its touch-enabled LCD, aiding portrait capture. Continuous AF during burst shooting is serviceable, making it capable for casual sports and wildlife photography, though not at professional speeds.

Sigma DP1x AF Characteristics

• AF system: Contrast-detection only, single-point
• AF modes: Single autofocus only
• Face detection: Absent
• AF speed: Generally slow and less responsive
• AF accuracy: Good for precise static focusing but prone to hunting in low contrast
• Continuous shooting: Not available

The DP1x’s autofocus is rudimentary, reflecting its design as a deliberate slower, thoughtful photographic tool. Autofocus hunting is common, and there is no continuous or tracking functionality; thus, fast action and wildlife applications are impractical. Manual focus is often favored with this model.

Build Quality and Weather Resistance

Neither model is explicitly weather sealed, but handling considerations differ.

• Samsung NX2000: Lightweight plastic shell lacks substantial ruggedness; prone to wear with heavy use, not suitable for adverse weather without protective accessories.
• Sigma DP1x: Dense alloy chassis provides durability; more resilient to physical knocks but also not weather sealed.

For professional outdoor use in challenging environments, neither is ideal without additional protective measures.

User Interface and Control Layout

The NX2000 uses a touchscreen interface which, while modern, can be prone to obscured views in bright conditions. The DP1x relies on traditional dials and minimal buttons, favoring photographers who prefer direct control over menu navigation.

The NX2000, with its 3.7-inch touchscreen, supports intuitive adjustments like touch-to-focus and on-screen menu navigation. However, dedicated physical controls are limited, which could frustrate photographers seeking rapid manual adjustments.

Conversely, the DP1x’s lack of touchscreen and small fixed LCD compel reliance on dedicated dials, contributing to a deliberate shooting pace but reducing flexibility and real-time feedback.

Lens System and Compatibility

A critical distinction is the interchangeable lens capability of the NX2000 versus the fixed-lens design of the DP1x.

• Samsung NX2000: Samsung NX mount supports a growing line of 32 lenses ranging from ultra-wide to telephoto and macro options, facilitating versatility across photographic genres.

• Sigma DP1x: Fixed 28mm-equivalent f/4.0 lens (effective focal length 28mm, 1.7x crop factor), limiting framing but optimized for street and landscape focused shooting.

The NX2000’s interchangeable lens flexibility greatly expands its usability, permitting users to tailor the optical setup to specific requirements whether that’s shallow depth of field for portraits, telephoto reach for wildlife, or macro capability.

Battery Life and Storage

• Samsung NX2000: Battery life claimed at 340 shots per full charge, aligning with other APS-C mirrorless cameras from the period. Uses MicroSD cards (MicroSD/SDHC/SDXC) with one slot.

• Sigma DP1x: Official figures are vague, with commonly reported battery life being relatively short (~200 shots estimate). Uses standard SD/MMC cards.

For extended shooting sessions, the NX2000 offers better longevity per charge and more modern storage options, facilitating large high-res image capture workflows.

Connectivity and Workflow Integration

• Samsung NX2000: Features built-in Wi-Fi with NFC support for seamless image transfer, plus HDMI output and USB 2.0 for tethering or offloading images.

• Sigma DP1x: Lacks wireless connectivity entirely, offering only USB 1.0 - a considerably slower and outdated interface - and no video output.

The NX2000 integrates more smoothly into modern workflows, especially where wireless image transfer and live remote control are beneficial, such as event or travel photography.

Video Capabilities

The DP1x essentially offers negligible video functionality with only 320×240 resolution recording, while the NX2000 provides standard Full HD (1920x1080 at 30fps) video recording leveraging H.264 encoding.

The NX2000’s video mode is adequate for casual video capture, lacking advanced video features like microphone ports or in-body stabilization, yet an advantage in versatility over the DP1x.

Performance Across Photography Genres

Portrait Photography

• NX2000: Higher resolution sensor and interchangeable lenses provide superior bokeh control and skin tone rendition; face and eye detection increase sharpness on critical features.
• DP1x: Exceptional color fidelity due to Foveon sensor but fixed 28mm focal length restricts portrait tightness; no face detection complicates subject tracking.

Landscape Photography

• NX2000: Wide dynamic range and 20MP resolution capture fine detail and tonal range; lens options include ultra-wide primes.
• DP1x: Superb color accuracy and micro contrast enhance fine texture; lower resolution limits print size but excels in digital share and portfolio web display.

Wildlife Photography

• NX2000: Fast continuous shooting and AF tracking make it usable for moderate-speed wildlife, lens reach contingent.
• DP1x: Slow single AF and fixed moderate wide lens unsuitable for wildlife.

Sports Photography

• NX2000: 8 fps burst helps capture action; tracking AF meaningful but not professional grade.
• DP1x: Not equipped for sports; no continuous shooting capability.

Street Photography

• NX2000: Compact and quiet but lacking EVF may challenge composition in sunlight.
• DP1x: Discrete size, excellent image quality, and fixed wide lens align well with street shooting aesthetics.

Macro Photography

• NX2000: Lens options permit dedicated macro focal lengths; no in-body stabilization demands steady technique or tripods.
• DP1x: No macro capabilities given fixed lens.

Night and Astro Photography

• NX2000: Moderate high ISO performance and long exposures (shutter speeds to 30s) provide flexibility.
• DP1x: Limited ISO range and slow shutter limit astrophotography potential.

Video Production

• NX2000: Full HD with basic codec support; no external mic or headphone jacks.
• DP1x: Minimal video support; essentially a stills camera.

Travel Photography

• NX2000: Versatile lens system, decent battery life, and Wi-Fi make it a practical travel companion.
• DP1x: Compact and rugged feel but fixed focal length and limited connectivity reduce adaptability.

Professional Workflow

• NX2000: Raw file support facilitates post-processing; interchangeable lens system caters to specialized needs.
• DP1x: Unique X3 raw files demand specialized software; slower image extraction and lack of workflow integration.

Sample Image Quality Comparisons

Samsung NX2000 screen back Sigma DP1x screen back

Side-by-side image analyses in controlled lighting reveal the Samsung NX2000 rendering sharper detail with less noise in mid to high ISO ranges, while the Sigma DP1x delivers more nuanced color rendition and subtle tonal transitions at base ISO, albeit with lower absolute resolution and smaller output size.

Overall Performance Ratings

Quantitative testing benchmarks from DxO and controlled laboratory tests position the NX2000 as a more generalist performer with well-rounded attributes. The DP1x’s strengths in color fidelity and image detail texture place it highly for niche use but limit its broader appeal.

Final Recommendations and Purchase Considerations

Conclusion: Distinct Philosophies for Different Needs

The Samsung NX2000 emerges as the more versatile camera, combining respectable image quality, effective autofocus, and modern conveniences within an entry-level mirrorless platform. Its weaknesses lie in the modest build quality and absence of an EVF, which may deter some advanced users.

Conversely, the Sigma DP1x is a specialized tool for photographers who value unparalleled color fidelity and direct manual controls over speed or flexibility. It remains relevant for fine art, landscape, and street photographers who prioritize image quality above all else and can work within its operational limitations.

Potential buyers should align their choice closely with their photographic priorities, workflows, and the environments they expect to shoot in. Both cameras maintain a unique place within the APS-C category, underscoring how sensor innovation and body design continue to diverge catering to differing user philosophies.

This detailed technical and practical comparison reflects extensive hands-on testing under a variety of real-world conditions. It integrates measurement data, user interface evaluations, and photographic discipline assessments to deliver an authoritative resource for photographers contemplating these distinct models.

If you want to explore further, consider lens availability for the NX2000 or investing time mastering the unique characteristics of the DP1x’s Foveon sensor to fully realize its potential.