Panasonic Lumix DMC-GH4
Construction: Magnesium alloy bodyshell, sealed against dust and moisture. Lens Mount: Micro Four Thirds bayonet. Sensor Type/Size: Live MOS, 13.0x17.3 mm. Total Pixels: 17.2 million (maximum image size = 4608x3456 pixels). Focal Length Conversion Factor: 1.97x. Storage Medium: Single slot for SD/SDHC/SDXC memory cards with UHS-I and UHS Speed Class 3 support. Data Compression: Two levels of JPEG compression on three resolution settings plus 12-bit lossless on RAW data. RAW+JPEG capture. Choice of aspect ratios – 4:3, 3:2, 16:9 and 1:1. ISO Range: 200-12,800 (extendable to ISO 125 and 25,600). Buffer Memory: Up to 100 frames JPEG/large/fine or 40 RAW. Maximum Frame Rate: 12.0 per second. Video Recording: MOV format (with either ALL-I or IPB compression) – 4K UHD at 3840x2160 pixels, 25 fps or 24 fps and 16:9 aspect ratio (maximum bit rate is 100 Mbps); Cinema 4K at 4096x2160 pixels, 24 fps and 16:9 aspect ratio (maximum bit rate is 100 Mbps); Full HD at 1920x1080 pixels; 50, 25 or 24 fps and 16:9 aspect ratio (maximum bit rate is 200 Mbps). MP4 format (with either ALL-I or IPB compression) – 4K UHD at 3840x2160 pixels, 25 fps or 24 fps and 16:9 aspect ratio (maximum bit rate is 200 Mbps); Cinema 4K at 4096x2160 pixels, 24 fps and 16:9 aspect ratio (maximum bit rate is 100 Mbps); Full HD at 1920x1080 pixels; 50, 25 or 24 fps and 16:9 aspect ratio (maximum bit rate is 200 Mbps). AVCHD Progressive format – Full HD at 1920x1080 pixels, 50 fps and 16:9 aspect ratio. AVCHD format – Full HD at 1920x1080 pixels, 50 fps and 16:9 aspect ratio. Stereo microphones with auto/manual adjustable levels. Stereo audio input. Time code support (SMPTE compliant), slow/fast motion recording modes, seamless file recording (MOV, AVCHD Progressive and AVCHD), uncompressed 4K /2K output via HDMI connection with simultaneous recording to the memory card. Optional DMW-YAGH Interface Unit allows for a 10-bit 4:2:2 (colour space) 4K video signal output via four BNC (SDI) connectors and has two balanced XLR connectors for external audio sources (including microphones), 48 volts phantom power for condenser-type mics, DC 12 volts input, time code input (BNC). Autofocusing: 49 points with auto/manual point selection, auto tracking and face detection/recognition.. All points, single point (variable size) and ‘Custom Multi’ area modes. Manual focus assist via magnified image and peaking display. Metering: 1728 points multi-pattern, centreweighted average, spot and TTL flash. Exposure Modes: Program (with shift), aperture/ shutter-priority auto and manual. Shutter: Electronic focal plane, vertical travel, 601/8000 second plus ‘B’, flash sync to 1/250 second.
White Balance: Auto, five presets, four custom presets, correction (blue-to-amber and/or magenta-to-green), auto bracketing and manual colour temperature setting. Power Source: Rechargeable lithium-ion battery pack. Optional DMW-BGGH3 battery grip. Features: Sensor cleaning, OLED EVF (2.359 megadots), 7.62 cm OLED monitor (1.036 megadots) adjustable for tilt and swing with touch controls, ‘ Touchpad’ AF zone selection, dual-axis electronic level display, grid guides (choice of three), realtime histogram, digital zoom (up to 4.0x), Adobe RGB and sRGB colour spaces, long exposure noise reduction, six ‘Photo Style’ presets (Standard, Vivid, Natural, Scenery, Portrait and Monochrome), one user-defined ‘Photo Style’, adjustable ‘Photo Style’ parameters (contrast, sharpness, colour saturation and noise reduction), 22 ‘Creative Control’ effects (Expressive, Retro, Old Days, High Key, Low Key, Sepia, Monochrome, Dynamic Monochrome, Rough Monochrome, Silky Monochrome, Impressive Art, High Dynamic, Cross Process, Toy Effect, Toy Pop, Bleach Bypass, Miniature Effect, Soft Focus, Fantasy, Star Filter, One Point Colour, Sunshine), HDR multi-shot capture (auto or manual exposure adjustment, ‘i.Dynamic’ dynamic range expansion processing (Off, Low, Standard, High), multiple exposure facility, intervalometer, ‘Intelligent Resolution’ processing (Off, Low, Standard, High, Extended), luminance/RGB histogram displays, highlight alert, adjustable image display time, auto image rotation, slide show (with variable display times and transitions), playback zoom (up to 16x), 12/30 thumbnail displays, capture date calendar display, image resizing and cropping, DPOF and PictBridge support, WiFi with NFC connectivity. Price: $1799 body only. $2799 with Lumix Vario G X 12-35mm f2.8 ASPH Power OIS zoom.