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Product Highlights
  • 24.6 MP BSI CMOS Sensor
  • Full-Frame Format
  • 100-102,400 ISO Sensitivity Range
  • 6000 x 3000 @ 29.97 fps Video Shooting
  • Touchscreen LCD Display
  • L Mount

Estimated Release Date: Apr 25, 2025

This exciting new product is being released in limited quantity. Orders will be filled on a first-come, first-served basis. A credit card pre-authorization will be taken upon placing your order. Once your order is approved, we will process a 25% deposit to hold your place in line for the next available unit to arrive.

Colour:
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Black
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Sigma BF Mirrorless Camera, Silver Sigma BF Mirrorless Camera, Silver
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This is a NEW product available for Pre-Order only. Place your order and you will be one of the first in line to receive it when the manufacturer ships to us. Orders are filled by the date received.
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Please call and verify availability at the store as stock changes daily.

Lease this for: $111.07 Learn More

Overview

BF | Mirrorless Camera
Radical Simplicity

The Beauty of a Simple Thing

With the BF, Sigma presents an uncompromising new vision for the digital camera. Stripped to the essence but packed with power, innovative yet rooted in the origins of photography, it is designed to accompany you throughout your day and to capture the spontaneous beauty of everyday life. The BF balances performance with simplicity and returns the focus to what matters most: your photographs.

The Sigma BF’s most important feature is its simplicity. Sigma wanted to create the easiest camera to use, inspired by the humble beginnings of the camera obscura. While the lens remains the soul of photography, the camera still profoundly shapes the images you take – directly, indirectly, even subconsciously. Without compromising on features or performance, the BF’s design cuts out everything that distracts from your interaction with the image. From its aluminum unibody to its simplified controls and streamlined menu, the BF embodies a pure photographic experience free of frustration.

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Seamless Interaction

The Sigma BF represents a new, more intuitive way to use a camera. It is streamlined to make the act of photography as effortless as possible. Sigma has replaced the shooting mode dial – itself a holdover from the days of film photography – with direct access to the five elements that decide the photograph. Shutter speed, aperture, ISO, EV compensation and color mode are all immediately available at the touch of a finger. The new Status Monitor displays the currently active setting, so the screen provides an unobstructed view of the subject.

Clear View

The BF's high-resolution screen provides a distraction-free view of all necessary information – and nothing more. With one simple setting, it shows only the live view image, with the five key elements – shutter speed, aperture, ISO, EV compensation and color mode – displayed when you are ready to press The center button. All other options and settings are accessed via just three simple menu screens.

At a Glance

The innovative Status Monitor displays the active setting, highlighting exactly what you need to know without distraction.

Tactile Control

With just three buttons and a dial pad, the BF’s redesigned user interface makes adjustments instant and intuitive, leaving your attention on the scene and not the settings. As the first mirrorless camera*, the BF features pressure-sensitive haptic buttons, resulting in minimal physical wear while still offering the precise and tactile sensation of conventional mechanical buttons.

Enduring Form

The BF is designed to last. It is the first camera in history to feature a true unibody, with each camera carved from a single, solid block of aluminum ingot over the course of seven hours. The weight of its seamless all-metal body harmonizes perfectly with any attached lens, while its shape, button placement and precision-cut front texture guarantee secure handling.

Deceptively Powerful

Simplicity does not mean limitation. The Sigma BF is packed with advanced technology to expand your creative possibilities. Its powerful full-frame sensor delivers exceptional image quality, while the fast, reliable hybrid autofocus system keeps subjects in focus.

High Resolution Video

Some stories are best told in moving images. With 6k recording, powerful HEVC encoding, L-Log support and up to 120 frames per second, the Sigma BF provides filmmakers with a nimble, versatile camera to capture and refine their vision.

Full-Frame Sensor

The BF's 35mm full-frame sensor means stunning details, exceptional image quality, wide dynamic range and brilliant low-light performance. The large sensor size also translates to a shallower depth of field to separate subject and background, and allows the use of high-quality full-frame lenses.

Internal Storage

The SD card slot is replaced by 230GB of internal memory, capable of storing more than 14 000 JPEG files, 4 300 Lossless compression RAW images or 2.5 hours of video at the highest-quality setting, with the USB-C port offering fast charging and data-transfer speeds.

What's Included

BF Mirrorless Camera
Li-ion Battery Pack BP-81
Metal Body Cap (Black)
Start Guide

Reviews

Product Specifications

BF Mirrorless Camera

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 (35.9 mm x 23.9 mm) Back-illuminated CMOS sensor
Camera Effective Pixels / Total Pixels Approx. 24.6 MP / Approx. 25.3 MP
Still Image File Format Lossless compression RAW (DNG) 14-bit / JPEG (Exif3.0) ,
RAW(DNG) + JPEG: recording is possible
Image Aspect Ratio [21:9], [16:9], [3:2], [A Size], [4:3], [6x7], [1:1]
Still Image File Size (RAW) 6016 x 4012
Still Image File Size (JPEG) 6016 x 4012
Crop 3840 x 2560 (Equivalent to Approx.1.5 times the focal length)
Movie Format MOV: H.264, H.265, L-Log
Audio Format Linear PCM (4ch 48 kHz / 16-bit: Max)
Movie Recording Size / Frame Rate 6K* (6K: 6016 x 3384) / 23.98, 25, 29.97 fps *Cannot be used in conjunction with EIS
UHD 4K / 23.98, 25, 29.97 fps
FHD / 23.98, 25, 29.97, 50, 59.94, 100, 119.88 fps
Continuous Shooting Enable Time 2 hours
AF System / Focus Mode Image Plane Phase-Detection AF + Contrast detection system / Single AF, Continuous AF (with moving object prediction function), Manual Focus
AF Sensitivity Range / AF Mode -5~18 EV (F1.4:ISO 100)
1-Point AF, Area AF, Subject Tracking AF (Human + Animal, Human, Animal)
AF Lock Half-press the shutter button
Other Focus Functions AF+MF, Full-time AF+MF, MF Magnification (Full Screen, PIP (2x / 4x / 8x) ) , MF Auto Review, Focus Peaking, Focus Ring Control (Non-linear, Linear)
Metering Mode Evaluative, Spot Metering
Metering Range -7~20 EV (50mm F1.4: ISO 100)
Exposure Mode (Still) (P) Program AE, (S) Shutter Speed Priority AE, (A) Aperture Priority AE, (M) Manual
Exposure Mode (Movie) (P) Program AE, (S) Shutter Speed Priority AE, (A) Aperture Priority AE, (M) Manual
ISO Sensitivity (Recommended exposure value) Base ISO
[Still] ISO 320
[Movie] MOV: ISO 320, Log: ISO 1250

Settable Range
ISO 100-102400 / Expanded sensitivity ISO 6, 12, 25, 50
Exposure Compensation ±5 EV (in 1/3 stop increments)
AE Lock Operated via touch
Exposure Bracket 3 shots, 5 shots stage exposure ±3 EV (1/3 Step, Standard→Underexposure→Overexposure) (Sequence changeable)
Exposure Assist Brightness Level Monitor (Histogram) , Zebra Pattern, False Color
Image Stabilization Electronic Image Stabilization (EIS) for Video Only
White Balance 8 types
(Auto, Auto [Lighting Source Priority] , Incandescent, Fluorescent, Manual [50K steps] , Daylight, Overcast, Shade) , Custom 1-10 settings can be added , AWB lock function
Shutter Electronic shutter
Shutter Speed 1/25600 - 30 seconds, Bulb (up to 5 minutes)
Self Timer 2 sec., 10 sec. (Countdown Indicator)
Drive Modes Single Capture, Continuous, Exposure Bracketing, Focus Bracketing, Interval Timer
Continuous Drive Speed Selectable frame rates (3, 5, 8 fps)
Number of Recordable Frames JPEG: 1000 frames, DNG: 350 frames
Monitor / Coverage TFT color LCD, Aspect Ratio 3:2, 3.15 type, Approx. 2.1M dots , Electrostatic capacitance system touch panel / Approx. 100%
Colour 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
Other Function Save / Load Settings, Webcam, In-camera DNG Development, Still image capture from recorded movie files, Fill Light (Supports only in-camera DNG Development)
Built-in Microphone / Speaker Stereo Microphone / Monaural Speaker
Display Language English, Simplified Chinese, Traditional Chinese, Danish, Dutch, Finnish, French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Spanish, Swedish
Interface USB-C USB 10 Gbps (USB 3.2) Compatible (Mass Storage, UVC, UAC, External Video Output, Charging / Power Delivery)

REMOTE: Supports Cable Release
External Microphone and Headphone Output: Supported
Dust and Splash Resistant Structure Provided

*Although this construction allows the lens to be used in light rain, it is not the same as being waterproof.
Power Li-ion Battery Pack BP-81
Number of Recordable Still Images Approx. 260 images
Minutes of Recordable Continuous Shooting Approx. 60 min.
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. 446 g / 15.7 oz. (including battery) , Approx. 388 g / 13.7 oz. (Camera Body Only)
Operating Temperature 32 to 104 °F / 0 to + 40 °C
Operating Humidity 85 % or less (non-condensing)

Questions & Answers

Sigma BF Mirrorless Camera, Silver

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