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Certified Keeper Sigma 45mm f/2.8 DG DN Contemporary
85 PixelMeter Score 25 reviews

Pros Pros
  • High-quality, all-metal build with weather sealing
  • Excellent image quality and sharpness
  • Compact and lightweight design
  • Fast and quiet autofocus performance
  • Tactile aperture control ring
Cons Cons
  • Aperture ring cannot be de-clicked for video
  • Noticeable vignetting and distortion
  • Limited weather sealing and lack of stabilization
  • Modest f/2.8 maximum aperture
  • Softness at close focusing distances

Launch price Launch price $549
Focal length & aperture Focal length & aperture 45mm f/2.8
Mount & coverage Mount & coverage Sony E, L-Mount · Full-Frame
Stabilization Stabilization None
Close focus Close focus 24 cm (0.25x)
Filter thread Filter thread 55mm
Weight & size Weight & size 215g (7.6 oz) · 64 x 46.2 mm (2.52 x 1.82 in)

Announcement date Announcement date July 11, 2019
Launch MSRP Launch MSRP $549
Lens mount Lens mount Sony E, L-Mount
Image circle coverage Image circle coverage Full-Frame
Lens type Lens type Prime
Lens line / series Lens line / series Contemporary

Elements Elements 8
Groups Groups 7
Special elements Special elements 2 aspherical

Focal length (wide) Focal length (wide) 45mm
Max aperture Max aperture f/2.8
Minimum aperture Minimum aperture f/22
Diaphragm blades Diaphragm blades 7

Diagonal angle of view Diagonal angle of view 51.3°

Minimum focus distance Minimum focus distance 24 cm
Maximum magnification Maximum magnification 0.25x
Focus mechanism Focus mechanism Internal focus

Optical stabilization (OIS) Optical stabilization (OIS) No

Aperture ring Aperture ring Yes

Weight Weight 215g (7.6 oz)
Maximum diameter Maximum diameter 64mm (2.52 in)
Length Length 46.2mm (1.82 in)
Filter thread Filter thread 55mm
Weather sealing Weather sealing None

Lens hood Lens hood LH577-01, included