Have you come across the term Sigma BF and wondered what it means? This latest internet slang is gaining popularity, but its meaning isn’t immediately clear. Whether it’s about relationships, personality types, or social media trends, we break down what Sigma BF stands for, its origin, and why it’s trending online.
Sigma has revealed the BF, a radically minimalist 24MP full-frame L-mount mirrorless camera. It’s a compact mirrorless body with a single rear-plate dial and three buttons that haptic feedback when pressed. Sigma says the interface has been designed to be simple and intuitive.
Sigma announced the BF, a compact 24.6-megapixel full-frame interchangeable lens camera designed to “evoke the essence of photography” through a “radically simple” design featuring just three buttons, a dial, and a shutter release.
Measuring 5.1 by 2.9 by 1.4 inches (129.5 by 73.7 by 35.6 millimeters) and weighing just 13.7 ounces (388 grams), the L-mount Sigma BF is designed to “focus on the joy of photography” by removing distractions and stripping down the experience to just the bare minimum. To do this, Sigma says it created a simple, clear, and completely new user interface that deviates significantly from other modern cameras. The main photography-related settings live on the live view screen, secondary settings in an optional menu, and “management functions” along with more detailed settings live in the system menu.
Sigma says photographers will be able to easily adjust key parameters like shutter speed, aperture, ISO sensitivity, EV compensation and color mode at the “touch of a finger.”
The Sigma BF utilizes a 35mm full-frame Back-illuminated CMOS sensor. The camera is claimed to have a wide dynamic range, a native ISO sensitivity of 100-102400 expandable on the low end to ISO 6.
Unique user interface is claimed to be more intuitive than ever with its pressure-sensitive haptic buttons and dial. The user interface has a completely new information structure compared to conventional digital cameras, with the main shooting-related settings stored on the live view screen, secondary settings in the optional menu, and management functions and detailed settings in the system menu.
Users can easily operate the shutter speed, aperture, ISO sensitivity, EV compensation, and color mode, along with other important shooting-related elements.
The default live view screen displays only the minimum necessary information and can be changed to display no information at all.
All controls are integrated into just three buttons, one dial, the shutter release, and the power button. The BF is the first mirrorless camera to incorporate haptics into its Dial, Center button, Option button, and Playback button.
According to SIGMA, the BF is the first camera in history to feature a true unibody. Each camera is carved from a single, solid block of aluminum over the course of seven hours.
The BF features 230GB of internal memory, which allows users to store more than 14,000 JPEG files, 4,300 uncompressed RAW images or 2.5 hours of video at the highest-quality setting. A USB-C port provides fast charging and data-transfer speeds.
The camera doesn’t feature any card slots at all.
Thirteen different color modes are available. The modes range from options like Teal and Orange, Powder Blue, and Warm Gold to Rich, and Calm.
A hybrid autofocus system combining image phase detection and contrast detection. In addition to people, dogs, and cats can be detected in the subject detection mode.
The BF supports high-resolution 6K and L-Log recording, enabling video production that takes advantage of the wide dynamic range of a full-frame sensor.
Record 6K at up to 29.97 fps, UHD at up to 29.97 fps, and FHD at up to 119.88 fps. Recordings can be done in H.264 or H.265.
*Cannot be used in conjunction with EIS
The continuous shooting time in 2 hours.
The L-Mount lens mount allows the camera to be used with a wide variety of interchangeable lenses for mirrorless cameras from Sigma as well as other L-Mount Alliance partners.
| Type | Interchangeable-lens Mirrorless Type Digital Camera |
| Memory Media | Internal Memory (Approx. 230 GB) , USB Storage (for Backup) |
| Lens Mount | L-Mount |
| Image Sensor | 35 mm full-frame Back-illuminated CMOS sensor |
| Camera Effective Pixels / Total Pixels | Approx. 24.6 MP / Approx. 25.3 MP |
| Movie Recording Format | MOV: H.264, H.265, L-Log |
| Movie Recording Size / Frame Rate | 6K 29.97 fps, UHD 29.97 fps, FHD 119.88 fps |
| ISO Sensitivity | ISO 100-102400 / Expanded sensitivity ISO 6, 12, 25, 50 |
| Monitor | 3.15 type, Approx. 2.1M dots |
| Color Mode | 13 types Standard, Rich, Calm, Powder Blue, Warm Gold, Teal and Orange, FOV Classic Blue, FOV Classic Yellow, Forest Green, Sunset Red, Cinema, 709 Look, Monochrome |
| Dimensions (W x H x D) | Approx. 130.1 x 72.8 x 36.8 mm / 5.1 x 2.9 x 1.4 in. |
| Weight | Approx. 388 g / 13.7 oz. (Camera Body Only) |
The SIGMA BF is a 24-megapixel full-frame L-Mount camera designed to offer a balance between performance and simplicity. According to SIGMA, the BF represents an uncompromising new vision for digital cameras, focusing on ease of use without sacrificing image quality.
Key features of the SIGMA BF include:
✅ 24-megapixel full-frame sensor for high-resolution images
✅ L-Mount compatibility for a wide variety of lenses
✅ Minimalist design for ease of use
✅ Advanced image processing for better color and detail
✅ Expected 4K video recording capabilities
SIGMA has announced the BF camera, but the official release date has yet to be confirmed. Keep an eye on SIGMA’s official website and major retailers for updates.
The pricing details for the SIGMA BF have not been disclosed. However, it is expected to be competitively priced compared to other full-frame L-Mount cameras in the market.
The SIGMA BF focuses on delivering high performance while maintaining simplicity. It targets users who want a straightforward shooting experience without sacrificing image quality or essential features.
The SIGMA BF uses the L-Mount system, making it compatible with lenses from:
🔹 SIGMA (Art, Contemporary, and Sports lines)
🔹 Panasonic L-Mount lenses
🔹 Leica L-Mount lenses
Yes, the SIGMA BF is expected to support 4K video recording, making it suitable for both photographers and videographers.
Absolutely! The BF’s user-friendly design and simplified controls make it ideal for beginners, while its advanced features appeal to professional photographers as well.
While the SIGMA fp series focuses on modularity and video production, the SIGMA BF is designed for users who want a simpler, more intuitive shooting experience with high-quality images.
The SIGMA BF features a 24-megapixel full-frame sensor, providing detailed and high-quality images suitable for various photography needs.
Once released, the SIGMA BF will be available through:
🔹 SIGMA’s official website
🔹 Major retailers like B&H Photo, Adorama, and Amazon
🔹 Authorized local camera stores
The SIGMA BF is expected to feature a durable and lightweight body, making it suitable for travel and on-the-go photography while ensuring long-lasting performance.
While official details about weather sealing haven’t been confirmed, SIGMA often includes dust and splash resistance in its full-frame cameras, which might be the case with the BF.
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