Sigma 10-18mm f2.8 DC DN Contemporary - Canon RF - 1711686
What our Experts Think
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Ultra-fast fisheye = unmatched creative potential
The Sigma 15mm f/1.4 DG DN (Sony E) is the world’s first full-frame diagonal fisheye with f/1.4, delivering a dramatic 180° field of view with exceptional brightness—ideal for astro, landscapes, and creative work.
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Outstanding low-light & astrophotography performance
The wide f/1.4 aperture captures more light and minimizes noise, while advanced optics reduce coma and preserve sharp stars across the frame.
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Sharpness across the entire frame
Complex optical design (21 elements, including FLD/SLD and aspherical elements) delivers high resolution even at ultra-wide angles—rare for fisheye lenses.
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Pro-level build & features
Weather-sealed construction, built-in hood, tripod collar, rear filter holder, and manual focus lock make it highly capable for demanding outdoor and long-exposure work.
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Creative versatility beyond landscapes
Minimum focus distance (~15 inches) allows dramatic close-ups with exaggerated perspective—great for action, interiors, and unique storytelling shots.
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Trade-off: size & weight
At ~1.36 kg, it’s a large, specialist lens—best suited for professionals or serious enthusiasts rather than casual shooters.
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
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Clean front element carefully: Use a blower + microfiber cloth—bulbous fisheye glass is highly exposed and prone to scratches.
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Use rear filter holder properly: Only insert compatible gel filters to avoid internal damage.
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Keep lens cap on when not in use: Built-in hood + cap helps protect the large curved front element.
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Check weather sealing: Wipe moisture/dust after use—lens is dust & splash resistant but not waterproof.
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Avoid touching glass surface: Oils are more visible on ultra-wide fisheye optics and affect image quality.
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Store in padded case: At ~1.36 kg, proper storage prevents mount stress and optical misalignment.
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Inspect mount & contacts: Keep Sony E contacts clean for reliable autofocus and aperture control.
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Use tripod collar when needed: Reduces strain during long shoots (astro/landscape).
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Update camera firmware: Ensures optimal AF performance and compatibility with advanced features.
Damage 
Loss 
Theft 
