Sigma BF Camera ( Silver ) - 1778695

Sigma BF Camera ( Silver ) - 1778695

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 what matters most: your photographs.

What our Experts Think

• Radically minimalist full-frame camera
  The Sigma BF Camera (Silver) is built around simplicity—removing traditional dials and clutter to focus purely on photography, with direct control over key settings like shutter, ISO, and aperture.
• Premium unibody aluminum design
  Machined from a single block of aluminum, it delivers exceptional durability and a high-end feel—one of the most distinctive camera builds on the market.
• Full-frame sensor with excellent image quality
  Features a 24.6MP full-frame sensor, producing sharp images, strong dynamic range, and impressive low-light performance.
• Internal storage replaces memory cards
  Built-in 230GB internal memory eliminates the need for SD cards—capable of storing thousands of RAW images or hours of video.
• 6K video & hybrid autofocus
  Supports 6K video recording with advanced autofocus, making it a capable hybrid camera for both photographers and filmmakers.
• Unique user experience with haptic controls
  Minimal buttons with pressure-sensitive haptics create a modern, smartphone-like shooting experience while maintaining tactile feedback.
• Trade-offs: niche usability
  No memory card slot and highly simplified controls may not suit traditional photographers who prefer physical dials and extensive customization.

Q&A

Q: What type of lens is the Sigma 15mm f/1.4 DG DN?
A: It’s a full-frame fisheye prime lens for Sony E-mount, featuring an ultra-wide 15mm focal length and bright f/1.4 aperture for creative and low-light photography.

Q: What is this lens best used for?
A: Ideal for astrophotography, landscapes, architecture, creative distortion shots, and action sports, delivering a dramatic 180° field of view.

Q: How does the f/1.4 aperture benefit users?
A: The fast f/1.4 aperture allows excellent low-light performance, sharp night sky images, and strong subject separation.

Q: Is this lens compatible with Sony mirrorless cameras?
A: Yes. Designed specifically for Sony E-mount full-frame mirrorless cameras, with full electronic communication and autofocus support.

Q: What autofocus performance can you expect?
A: Features a fast, accurate autofocus system suitable for both photography and video, with smooth and quiet operation.

Q: How is the image quality?
A: Delivers exceptional sharpness, minimal aberrations, and high contrast, even at wide apertures, thanks to advanced optical design.

Q: Does it include features for astrophotography?
A: Yes. Optimized for night sky shooting, with reduced coma and sagitta flare, plus a rear filter holder for gel filters.

Q: Is the lens built for durability?
A: Built with a dust- and splash-resistant design and high-quality materials for reliable outdoor and professional use.

Maintenance Tips

• Clean front & rear elements carefully: Use blower + microfiber to protect coatings and maintain sharpness.
• Use lens hood at all times: Reduces flare/ghosting and protects glass from impact (included accessory).
• Check focus accuracy: Calibrate via camera AF fine-tune or Sigma USB Dock for optimal sharpness.
• Keep contacts clean: Wipe Nikon F mount contacts for reliable AF and aperture control.
• Avoid dust/moisture exposure: Though durable, it’s not fully weather-sealed—store in a dry case.
• Inspect filter threads: Use 67mm filters carefully to avoid cross-threading or damage.
• Store with caps & pouch: Prevent scratches and internal dust when not in use.
• Handle focus ring gently: Ensures smooth manual override and long-term precision.
• Update firmware (if using USB Dock): Enhances autofocus performance and compatibility.