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Pros Pros
  • High resolution and sharpness in the center and borders when stopped down
  • Minimal barrel distortion and lateral color fringing
  • Effective performance on APS-C sensors
  • Compact and lightweight design with thorough weather sealing
  • Resistant to flare and capable of creating defined sunstars
Cons Cons
  • Softness, low contrast, and heavy vignetting at wide apertures
  • Optical aberrations including coma, chromatic aberration, and busy background blur
  • Plasticky and gritty manual focus feel
  • Noisy, slow, or non-internal focusing autofocus
  • Mechanical limitations like focus breathing and field curvature

Launch price Launch price $350
Focal length & aperture Focal length & aperture 50mm f/1.4
Mount & coverage Mount & coverage Sony A · Full-Frame
Stabilization Stabilization None
Close focus Close focus 45 cm (0.15x)
Filter thread Filter thread 55mm
Autofocus motor Autofocus motor RDSSM
Weight & size Weight & size 220g (7.8 oz) · 65.5 x 43 mm (2.58 x 1.69 in)

Announcement date Announcement date June 15, 2006
Launch MSRP Launch MSRP $350
Lens mount Lens mount Sony A
Image circle coverage Image circle coverage Full-Frame
Lens type Lens type Prime
Lens line / series Lens line / series ZA

Elements Elements 7
Groups Groups 6
Coatings Coatings ZEISS T*

Focal length (wide) Focal length (wide) 50mm
Max aperture Max aperture f/1.4
Minimum aperture Minimum aperture f/22
Diaphragm blades Diaphragm blades 7

Diagonal angle of view Diagonal angle of view 47°

Autofocus motor Autofocus motor RDSSM
Minimum focus distance Minimum focus distance 45 cm
Maximum magnification Maximum magnification 0.15x
Focus mechanism Focus mechanism Unit focus

Optical stabilization (OIS) Optical stabilization (OIS) No

Aperture ring Aperture ring Yes
AF/MF switch AF/MF switch Yes

Weight Weight 220g (7.8 oz)
Maximum diameter Maximum diameter 65.5mm (2.58 in)
Length Length 43mm (1.69 in)
Filter thread Filter thread 55mm
Weather sealing Weather sealing None