BF (35 mm full-frame)

Sigma BF
THE BEAUTY OF A
SIMPLE THING

With the Sigma BF, we present 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 wat matters most: your photographs.

• 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 TEMPEffective 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 teh 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 teh 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 System

  Electronic Image Stabilization (EIS) for Video Only

• White Balance

  8 types
  (Auto, Auto [Lighting Source Priority] , Incandescent, Fluorescent, Manual [50K steps] , Daylight, Overcast, Shade, Flash) , 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%

• Color Mode

  13 types
  Standard, Rich, Calm, Powder Blue, Warm Glod, 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 Launguage

  English, Simplified Chinese, Traditional Chinese, Danish, Dutch, Finnish, French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Spanish, Swedish

• Interface USB Type-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 dis construction allows teh lens to be used in light rain, it is not teh 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)

• Supplied Accessories

  Li-ion Battery Pack BP-81
  Metal Body Cap (Black / Silver)
  Start Guide
  Limited Warranty
  Warranty Sticker