Site Title

SIGMA 45mm F2.8 DG DN | Contemporary Full-Frame Lens (2019)

Neoscore 91%NEX score 71%

Product Overview

SIGMA 45mm F2.8 DG DN | Contemporary lens is one of four compact prime lenses designed to excel at both stills and video for the full-frame Sony E-mount and Leica L-mount systems.
Designated as the "I" series, the new series of compact lenses feature a gorgeous all-metal design that optimizes the manual focus experience in autofocus lenses. Each comes with an aluminum lens cap and petal-type lens hood.
Despite their compact sizes, these lenses are designed to minimize optical aberrations, with the only tradeoff being the moderate maximum aperture. Still, SIGMA designed these lenses to deliver sharp images wide open.
The three other lenses in this new series include the 24mm F3.5 DG DN, 35mm F2 DG DN, and 65mm F2 DG DN lenses.

Product Gallery

Photo 0of SIGMA 45mm F2.8 DG DN | Contemporary Full-Frame Lens (2019)Photo 1of SIGMA 45mm F2.8 DG DN | Contemporary Full-Frame Lens (2019)Photo 2of SIGMA 45mm F2.8 DG DN | Contemporary Full-Frame Lens (2019)

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Ratings

What we found**

Neoscore: 91% (not directly comparable across industries)
Pros
  • Compact and lightweight
  • High contrast
  • Weather-sealed
  • Comes with physical aperture ring
  • Good AF performance
Cons
  • Cannot declick aperture ring
  • Not very bright

What external reviewers found***

NEX score: 71% (not directly comparable across industries)
Pros
  • Excellent build quality
  • Solid construction
  • Very good sharpness on the whole frame and capable of beautiful blurry background for close subjects
  • Quick autofocus
  • Very affordable
Cons
  • Aperture ring is very narrow and not easy to grab
  • No fluorine ring
  • Pincushion distortion
  • Limited focus distance limit switch
Read More

Price Comparison (incl. referral links)*

Specifications

Construction

Aperture Blades
7 blades
Form Factor
Normal Prime Lens
Image Size
Full-Frame
Lens Barrel
Physical aperture ring
Lens Mount
Leica L-mount, Sony E-mount
Motor
Stepper motor
Optical Formula | Elements
8 elements
Optical Formula | Groups
7 groups

Dimensions

Filter Diameter
55 mm / 2.17 in
Size | Diameter
64 mm / 2.52 in
Size | Length
46 mm / 1.81 in
Weight
215 g / 7.60 oz

Function

Angle Of View
51.4° Diagonal | 43.6° Horizontal | 29.9° Vertical
Aperture
f/2.8 ~ f/22
Autofocus
Yes
Focal Length
45 mm
Focus Type
Internal
Image Stabilization
No
Weather Resistance
Yes

Performance

Max Magnification
0.25x
Min Focus Distance
240 mm / 9.45 in

Production

Accessory
Lens hood included
Debut
2019-07-11
Made In
Japan

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3rd-Party Review Videos

External Reviews

sonyalpha[1]

Sentiment Score 65%
Reviewers from sonyalpha have found the following***:
The Sigma 45mm F2.8 DG DN Contemporary (575 euros) is a very compact lens ideal for street photography. The build quality is excellent and the aperture ring is very nice to use. The lens has a very good sharpness on the whole frame and capable of beautiful blurry background for close subjects. It will support at ease difficult weather conditions.
Find the original article here.
Pros
  • Very good sharpness on the whole frame and capable of beautiful blurry background for close subjects
  • F2.8 is a little bit limitative for a prime lens
  • Very good results in term of background blur and color rendition
Cons
  • Aperture ring is very narrow and not easy to grab

pcmag[2]

Sentiment Score 80%
Reviewers from pcmag have found the following***:
Sigma's 45mm F2.8 DG DN Contemporary is among the company's first native designs for full-frame mirrorless systems. Focus is available as close as 9.5 inches (24cm), which is good for 1:4 life-size magnification. There is minimal change to the angle of view when moving from close focus to infinity.
Find the original article here.
Pros
  • Sharp f/2.8 aperture
  • Quick autofocus
  • Dust and splash protection
Cons
  • Pincushion distortion
  • No fluorine ring

digitalpicture[3]

Sentiment Score 70%
Reviewers from digitalpicture have found the following***:
, this round hood has a solid, ribbed (inside and out) metal construction. This lens ships with Sigma's standard (nice) center- and side-pinch lens cap. By f/4, it is difficult to discern a sharpness difference between these lenses. The lens that seems most comparable is the 5mm wider and 1/3 stop faster Sony FE 40mm F2.5 G Lens.
Find the original article here.
Pros
  • Excellent build quality
  • Very affordable
  • Solid construction
Cons
  • Limited focus distance limit switch

User Reviews

References

1. ^ Sigma 45mm F2.8 DG DN Contemporary. [sonyalpha]. https://sonyalpha.blog/2019/08/31/sigma-45mm-f2-8-dg-dn-contemporary/. 2019-08-31. Retrieved 2021-06-06.
2. ^ Sigma 45mm F2.8 DG DN Contemporary Review. [pcmag]. https://www.pcmag.com/reviews/sigma-45mm-f28-dg-dn-contemporary. 2019-08-06. Retrieved 2021-03-22.
3. ^ Sigma 45mm F2.8 DG DN Contemporary Lens Review. [digitalpicture]. https://www.the-digital-picture.com/Reviews/Sigma-45mm-F2-8-DG-DN-Contemporary-Lens.aspx. Retrieved 2022-01-21.

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**Neoscore is the calculated by our AI using advanced models based on the features and qualities of each product. Scores are not directly comparable across industries.

***These key takeaways ("pros" and "cons") and summaries are identified from third-party review by our AI using advanced language models.

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