Sigma BF Review
We've aggregated 3 high-signal reviews and 0 live retailer prices below.
Our editorial take on the Sigma BF
The Sigma BF is a striking exercise in minimalist design that prioritizes form and tactile elegance over traditional handling. Its trapezoidal aluminum unibody is genuinely beautiful, earning praise for its modern aesthetic and build quality. With just three physical buttons, a rear dial pad, and pressure-sensitive haptics, it strips away the conventional control layout that most shooters expect. Reviewers note this approach walks a fine line between elegant simplicity and user frustration, with some calling it a bold move that rivals Leica's design ethos and others questioning whether the pared-down interface is practical for real-world shooting.
Internally, the BF is competent but not groundbreaking. The 24.6 MP full-frame sensor delivers solid image quality with a native ISO range up to 102,400, 8 fps burst shooting, and 6K video at 30p. The electronic-only shutter and lack of IBIS (digital stabilization in video only) limit its versatility, and the absence of a hot shoe or mechanical flash sync will frustrate anyone who works with strobes. The fixed 3.1-inch rear LCD is sharp, but the lack of a viewfinder and the minimal button count mean you'll be navigating menus more than you might like. With 230 GB of internal storage and no card slots, backup and workflow flexibility take a hit. It's a camera that demands you adapt to its philosophy rather than the other way around.
- Stunning, minimalist aluminum unibody design that stands out aesthetically
- Solid 24.6 MP full-frame sensor with wide ISO range and 6K video capability
- L-Mount compatibility opens access to a broad lens ecosystem
- Unique pressure-sensitive haptic controls and simplified interface
- 230 GB internal storage eliminates need for memory cards in the field
- Only three physical buttons and heavy reliance on touchscreen menus can slow workflow
- No viewfinder, hot shoe, or mechanical shutter limits shooting flexibility
- No IBIS, only digital stabilization for video
- Fixed rear LCD and no card slots reduce adaptability for pros
Synthesized by Geared editors from aggregated expert reviews.
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Editorial reviews
The most striking feature of the Sigma BF is its stark and gorgeous aluminum body. The trapezoidal shape can cut you just as easily as it can impress you.
The Sigma BF is a very clever little camera for some familiar reasons. It's so beautiful that it makes your heart skip a beat.
The Sigma BF is an Absolutely stunning camera design, especially if you're into modern minimalism. Gone are extraneous pieces like dials, buttons, and ...
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Specs
- Battery
- BP-81 rechargeable lithium-ion, approx. 260 shots
- Weight Grams
- 388 g (body only), 446 g (with battery)
- Dimensions Mm
- 130.1 x 72.8 x 36.8 mm
- Build Material
- Aluminum unibody
- Raw Video
- No
- Log Profiles
- L-Log
- Internal Codecs
- H.264, H.265
- Max Frame Rate 4k
- 29.97 fps
- Max Frame Rate Hd
- 1080/120p
- Max Recording Time
- Unlimited (1 hour on full battery)
- Max Video Resolution
- 6K (6000 x 3000)
- Hot Shoe
- None
- Bulb Mode
- Up to 5 minutes
- Crop Modes
- 1.5x APS-C mode available
- Flash Sync
- None (no mechanical shutter)
- Color Modes
- 13 modes: Standard, Rich, Calm, Powder Blue, Warm Gold, Teal and Orange, FOV Classic Blue, FOV Classic Yellow, Forest Green, Sunset Red, Cinema, 709 Look, Monochrome
- Webcam Mode
- Yes (via USB-C)
- Shutter Type
- Electronic rolling shutter only
- Aspect Ratios
- 1:1, 3:2, 4:3, 4:5, 16:9, 21:9
- Exposure Modes
- Aperture Priority, Manual, Program, Shutter Priority
- Metering Range
- -7 to 20 EV
- Remote Shutter
- CR-51 cable release (optional)
- Status Display
- Rear LCD status display
- Metering Method
- Evaluative, Spot
- Physical Controls
- 3 buttons (dial, shutter release, power), rear dial pad, pressure-sensitive haptics
- Image File Formats
- DNG (14-bit lossless RAW), JPEG
- Exposure Compensation
- -5 to +5 EV (1/3 EV steps)
- White Balance Presets
- AWB, Auto, Custom, Daylight, Flash, Fluorescent, Incandescent, Manual, Overcast, Shade
- Sensor Size
- Full-frame (36 x 24 mm)
- Sensor Type
- BSI CMOS
- Effective Megapixels
- 24.6 MP
- Launch Price Usd
- $2,199
- Dual Native Iso
- No
- Iso Range Stills
- Native: 100 to 102,400, Expandable to ISO 6
- Continuous Shooting
- 8 fps (up to 350 frames RAW, 1000 frames JPEG)
- Shutter Speed Electronic
- 1/25600 to 30 s
- Viewfinder
- None
- Rear Screen
- 3.1 inch touchscreen LCD, 2,100,000 dot, fixed
- Touchscreen
- Yes
- Lens Mount
- L-Mount
- Crop Factor
- 1x
- Usb
- USB-C (10 Gb/s data, power input, video output)
- Audio Io
- 3.5mm external microphone input, 3.5mm headphone output, built-in stereo microphone
- Card Slots
- None (230 GB internal storage)
- Ibis
- No (digital stabilization for video only)
- Af System
- Hybrid phase detection and contrast detection AF
- Af Low Light
- -5 to +18 EV
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