* Item pictured for illustrative purposes only, actual item not pictured. See ‘Notes’ next to grade for included items.
Sigma 56mm f/1.4 DC DN C (Contemporary) Autofocus Lens for MFT (Micro Four Thirds), Black {55}
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$396.00
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KEH Certified™ pre-owned gear, expertly inspected†
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All rental gear is between Excellent and Like New Minus condition
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Standard accessories included
Sigma 56mm f/1.4 DC DN: the fast prime MFT needed
On Micro Four Thirds, the 56mm focal length lands at a 112mm equivalent, putting it squarely in short telephoto portrait territory. The f/1.4 maximum aperture gives you meaningful separation at that field of view, which is harder to achieve on a smaller sensor system than on full frame. Sigma's DC DN designation means the optical formula was built from the ground up for mirrorless, not adapted from a DSLR design, so the compact profile actually fits MFT bodies than dwarfing them.
As part of the Contemporary lineup, this lens sits in Sigma's tier built around balancing optical quality with practical size and price. Autofocus is native to the mount. The 55mm filter thread keeps accessory costs reasonable. For a system where fast, sharp primes have historically been a gap in the native lens catalog, this 56mm f/1.4 fills a specific hole with a lens designed for the format than a workaround.
Who It's For
Portrait photographers working MFT systems get the most direct benefit: f/1.4 at a 112mm equivalent gives subject separation that the slower kit zooms simply cannot match. Street and documentary shooters who want a tighter prime for isolating subjects in busy scenes will find the focal length useful for working at a slight distance without attracting attention. Travel photographers who need fast glass without committing to the weight of a larger system will appreciate that the DC DN build keeps this lens compact. Event and low-light shooters leaning on Olympus or Panasonic bodies gain a native-mount fast prime that autofocuses reliably without adapters.
Key Features
- 56mm f/1.4 prime for Micro Four Thirds mount
- DC DN design optimized for mirrorless bodies
- Native autofocus support
- 112mm equivalent focal length for portrait work
- 55mm filter thread
- Contemporary series balance of performance and practicality
FAQ
- What's the equivalent focal length on a Micro Four Thirds camera?
- 112mm equivalent. On MFT's 2x crop factor, the 56mm lands in short telephoto portrait range - longer than a standard 50mm on full frame.
- How does this lens compare in size to full-frame 50mm primes?
- The DC DN designation means Sigma built the optical formula specifically for mirrorless bodies, not adapted from a DSLR design. The result fits MFT bodies proportionally rather than overhang.
- Is autofocus native to the Micro Four Thirds mount?
- Yes. The lens supports native MFT autofocus without any adapter workarounds.
- What filter size does this lens use?
- 55mm. Standard enough that filters and accessories won't require hunting.
- Where does the 56mm f/1.4 sit in Sigma's lens lineup?
- It's part of the Contemporary series, which prioritizes practical balance between optical performance, size, and cost - not the high-end Art line, not budget-tier Classic.
- Is this lens a prime or zoom?
- Prime only. Fixed 56mm focal length with no zoom range.
- Why does MFT need a fast 56mm specifically?
- On smaller sensors, shallow depth of field becomes harder to achieve. An f/1.4 aperture at 112mm equivalent provides meaningful background separation that would be difficult with native MFT lenses in this focal range.
| Specification | Value |
|---|---|
| Focal Length | 56mm |
| Max Aperture | f/1.4 |
| Mount | Micro Four Thirds |
| Filter Thread | 55mm |
This description was generated using AI based on KEH's internal product standards, product expertise, and knowing what customers care about most. While we strive for accuracy, details may vary by individual item.
| Brand Name | Sigma |
|---|---|
| Filter Size | 55mm |
| Focus Type | Autofocus (lens motor) |
| Lens Mount | Micro Four Thirds |
| Lens Type | Short Tele / Portrait |
| Max Focal Length | 56mm |
| Min Focal Length | 56mm |
Learn what to expect from each condition, cosmetically. Images are representative of each grade and may not show the exact item you receive. All equipment is guaranteed to work as intended, unless otherwise noted. We also occasionally offer items that fall .
Exceptions
- New
- New in box complete with manufacturer's USA warranty. Not previously owned or used.
- Like New
- Essentially new with no signs of use. “Open box.” In manufacturer's packaging with original accessories and instructions. 180-day warranty.
- As Is
- Non-functional or damaged. Equipment will not work. Usable for parts. Not covered under KEH warranty and non-returnable.
Like New Minus
Like New Minus
Barely used with virtually no traces of wear. Only the closest inspections will reveal slight use. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Excellent Plus
Excellent Plus
Lightly used with limited signs of wear. Exceptionally nice but may have slight wear on finish visible. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Excellent
Excellent
Noticeably used with average signs of wear. Shows moderate wear for the age of the item, with the possibility of blemishes and/or minimal dings. Lens glass may have average dust and zoom/focus ring tension may have slight looseness or tightness overall, but will not affect picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Bargain
Bargain
Frequently used with above-average wear. May have dents, dings, or finish loss. Lens glass may have small scratches, dust, and blemishes, and zoom/focus ring tension may have moderate looseness or tightness overall, but should not affect picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Ugly
Ugly
Heavily used with extensive visible wear. Equipment is rough, with multiple impressions in the finish, excessive finish loss and brassing. Glass will have marks, fungus and/or heavy/cloudy haze which could affect picture quality. Accessories usually not included, unless noted in listing. Not covered under KEH warranty.
