Simga BF
The Sigma BF Mirrorless Camera is an intuitive, high-end digital camera designed to radically simplify imagemaking. Featuring a 24.6MP full-frame sensor, L-mount compatibility, and hybrid autofocus, it offers seamless operation for both photography and video. With 6K video capabilities, this camera delivers exceptional image quality while maintaining a user-friendly interface that prioritizes ease of use.
Intuitive Design
The Sigma BF Mirrorless Camera represents a turning point in mirrorless design, redefining the user interface for a more intuitive experience. From its ergonomic body to its streamlined touchscreen controls, every aspect is crafted to simplify image creation, allowing photographers and videographers to focus on capturing the beauty in front of the lens without distraction.
Streamlined UI
The Sigma BF Mirrorless Camera features a redesigned live-view rear touchscreen, prioritizing distraction-free shooting. Essential exposure settings—shutter speed, aperture, ISO, EV compensation, and color mode—are intuitively positioned for quick adjustments. The streamlined live-view display ensures photographers can fully concentrate on their subject, while a small status monitor above the rear dial pad provides clear, at-a-glance settings information. Accessing additional settings is effortless, thanks to just three simple menu screens for a seamless, efficient workflow.
Physical Design
The Sigma BF Mirrorless Camera embraces a forward-thinking, minimalist design, consolidating controls into just three essential buttons: a dial, shutter release, and power button. A rear dial pad provides additional navigational control, all of which utilize pressure-sensitive haptic feedback for an intuitive, tactile experience. The camera boasts a revolutionary “unibody” construction, meticulously carved from a single block of aluminum, ensuring balanced weight distribution and structural integrity. Additionally, a thoughtfully placed thumb grip in the upper right corner enhances handling comfort, making it a seamless extension of the photographer’s hand.
Performance
At the heart of the Sigma BF Mirrorless Camera lies a 24.6MP full-frame, backside-illuminated CMOS sensor, delivering exceptional image quality with wide dynamic range and enhanced low-light performance. With a native ISO range of 100-102400, expandable down to ISO 6, the camera excels in both high-sensitivity and low-depth-of-field applications.
For fast-paced shooting, the BF offers continuous shooting up to 8 fps and supports 14-bit DNG lossless RAW and JPEG file formats for maximum post-processing flexibility. Hybrid phase detection and contrast detection autofocus provide precise and reliable focusing, ensuring sharp images across a range of lighting conditions. Additionally, for remote shooting applications, the camera is compatible with the optional CR-51 cable release.
Video Capabilities
The Sigma BF offers 6K video recording at 30 fps, providing high-resolution footage with exceptional detail. For slow-motion applications, the camera supports up to 120 fps in Full HD. L-Log color grading and HEVC encoding ensure greater dynamic range and efficient file compression, catering to professional video workflows.
To maintain smooth and stable footage, the BF features electronic image stabilization when shooting video. On a full battery, users can record continuously for up to an hour.
Audio capture is handled by a built-in stereo microphone, with support for external microphones and headphone output for precise monitoring. The USB-C terminal allows video output, enabling the BF to function as a high-quality webcam for streaming or remote collaboration.
Color Modes
The Sigma BF features 13 pre-loaded Color Modes, allowing users to creatively enhance their imagery with distinct tonal characteristics. These modes provide a variety of artistic and cinematic color profiles, catering to different styles and moods:
- Standard – Balanced and natural color rendering
- Rich – Deep, vibrant tones with enhanced contrast
- Calm – Soft, muted colors for a subtle aesthetic
- Powder Blue – Cool, pastel-like blue tones
- Warm Gold – Golden hues for a nostalgic warmth
- Teal and Orange – A cinematic look with strong contrast between cool and warm tones
- FOV Classic Blue – Vintage-inspired blue tint
- FOV Classic Yellow – Retro-style warm yellow hues
- Forest Green – Rich, earthy greens for nature photography
- Sunset Red – Warm, deep reds that enhance sunset and golden-hour shots
- Cinema – A filmic look with controlled contrast and color balance
- 709 Look – A Rec. 709 color profile for video production
- Monochrome – Black-and-white mode for timeless imagery
These built-in color profiles allow photographers and videographers to experiment with different moods and aesthetics straight out of the camera, reducing the need for extensive post-processing.
Internal Storage & L-Mount Compatibility
Internal Storage
The Sigma BF features 230GB of built-in storage, allowing users to shoot freely without the immediate need for external memory cards. This onboard storage supports:
- 14,000+ JPEG files for extended photography sessions
- 4,300 uncompressed RAW files for high-quality image capture
- 2.5 hours of continuous video recording at maximum resolution
For additional storage flexibility, the camera includes a USB-C port with 10 Gb/s data-transfer speeds, enabling quick file transfers and the option for external storage solutions.
L-Mount Compatibility
As part of the L-Mount Alliance, the Sigma BF features a versatile L-mount, granting access to a wide range of professional lenses from Sigma, Panasonic, and Leica. This ensures users have extensive options for high-quality primes and zooms, catering to various shooting styles from portrait and landscape photography to cinematic video production.
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