Sigma 45mm f/2.8 DG DN Contemporary
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Last updates:
- : added reviews and key take-aways
Specifications
| Brand | Sigma |
|---|---|
| Category | Normal |
| Prime or Zoom | Prime |
| Focus Type | Auto |
| Focal length (mm) | 45 |
| Aperture (max) | 2.8 |
| Angle of View | 51° |
| Filter Size (mm) | 55 |
| Weight (g) | 215 |
| Length (mm) | 46 |
| Diameter (mm) | 64 |
| Weather Sealed | ✔ |
| Image Stabilization | ✘ |
| Min. focus distance (m) | 0.24 |
| Max. magnification | 0.25 |
| Release Year | 2019 |
| Release Price (USD) | 549 |
Description and Reviews
Key Take-Aways:
The Sigma 45mm f/2.8 DG DN Contemporary is an ultra-light 215g standard prime, designed as an I-series style compact lens for everyday use on mirrorless cameras. Professional reviews highlight its solid metal build, smooth rendering, good close-focus ability, and portability, while noting trade-offs such as modest sharpness wide open, visible vignetting, and a relatively high price compared to faster alternatives. As of Sep 14 2025, user sentiment is mixed to positive: many enjoy its compact size, build quality, and pleasing character rendering, while others find it underwhelming optically relative to its cost.
From Sigma:
AN ENJOYABLE PRIME LENS YOUR CAMERA CAN HARDLY PART WITH ―ADMIRABLY BALANCED PERFORMANCE AND SIZE. FOR FULL-FRAME MIRRORLESS CAMERAS FROM OUR CONTEMPORARY LINE.
Embody the Contemporary line’s concept of “Pursuing optimum balance”. Achieve the best balance of a lens suited for everyday use.
Designed for combination with relatively small full-frame mirrorless cameras, this standard lens pursues easy operability as a regular prime lens by balancing its easy-to-carry size and high optical performance, thereby embodying the Contemporary line’s development concept of “pursuing optimum balance,” and becoming the perfect first lens in the lineup dedicated for full-frame mirrorless cameras.
Reviews:
- Dustin Abbot: Sigma 45mm F2.8 DG DN Review (Sony FE), Sep 2019
- Photography Blog: Sigma 45mm F2.8 DG DN Review, Mark Goldstein, Nov 2019
- The Phoblographer: REVIEW: SIGMA 45MM F2.8 DG DN CONTEMPORARY (ALMOST A LEICA), Chris Gampat, Nov 2019
- DPReview: Gear of the Year 2019 - Carey’s choice: Sigma 45mm F2.8, Carey Rose, Dec 2019
- lenstip.com: LENS REVIEW: Sigma C 45 mm f/2.8 DG DN, Maciej Latałło, Feb 2020
YouTube:
- Christopher Frost: Sigma 45mm f/2.8 DG DN ‘C’ lens review with samples (Full-frame & APS-C), Nov 2019
- Three Blind Men and An Elephant: Sigma 45mm f/2.8 DG DN Contemporary: Budget Jewel of the L-Mount Alliance, Jan 2020
- Gordon Laing: I LOVE 45mm! Sigma 45mm f2.8 DG DN review, May 2025