§ 03 Head to head

Samyang 50mm F1.4 AS UMC vs Sony Carl Zeiss Planar T* 50 mm f/1.4 ZA SSM

Samyang 50mm f/1.4 has a physical aperture ring. Sony 50mm f/1.4 is 57 g lighter.

The Samyang 50mm F1.4 AS UMC is a 50mm f/1.4 prime, and the Sony Carl Zeiss Planar T* 50 mm f/1.4 ZA SSM is a 50mm f/1.4 prime. On paper the Sony Carl Zeiss Planar T* 50 mm f/1.4 ZA SSM comes out ahead, 5 advantages to 2, but which one suits you depends on what you shoot.

01

Key differences

From manufacturer specifications

Why is the Samyang 50mm F1.4 AS UMC better than the Sony Carl Zeiss Planar T* 50 mm f/1.4 ZA SSM?

  • Has a physical aperture ring
  • Newer design (2015 vs 2013)

Why is the Sony Carl Zeiss Planar T* 50 mm f/1.4 ZA SSM better than the Samyang 50mm F1.4 AS UMC?

  • 57 g lighter (518 g vs 575 g)
  • 10 mm shorter (71.5 mm vs 81.6 mm long)
  • Is weather sealed
  • More aperture blades (9 vs 8)
  • Smaller filter thread (72 mm vs 77 mm)
02

Which should you buy?

By use
  • portrait For portrait photography, the Sony Carl Zeiss Planar T* 50 mm f/1.4 ZA SSM has the edge: it is 57 g lighter to carry.
03

Specification

17 rows · better value flagged ◆
SpecificationSamyang 50mm F1.4 AS UMCSony Carl Zeiss Planar T* 50 mm f/1.4 ZA SSM
Focal length50mm 50mm
Maximum aperturef/1.4 f/1.4
Minimum aperturef/22 f/22
Lens typeStandard prime lens Prime lens
FormatFull Frame Full frame
Weight575 g (1.27 lbs) 518 g (18.27 oz) ◆
Dimensions73.5 mm (diameter) x 81.6 mm (length) 81 x 71.5 mm
Minimum focusing distance0.45 m (17.72 in) 0.45 m (17.72 inches)
Maximum magnification0.17x —
Image stabilizationNo No
Weather sealingNo Yes ◆
Aperture ringYes No
Aperture blades8 9 ◆
Optical construction9 elements in 6 groups 8 elements / 5 groups
Filter size77 mm 72 mm ◆
Lens mountCanon EF, Nikon F, Pentax K, Sony A, Sony E Sony A
Released2015 2013
04

Size

Drawn to relative scale
  • A · Samyang
  • B · Sony
  • 81.6 × 73.5 mm
  • 71.5 × 81 mm

The Samyang 50mm F1.4 AS UMC is 10 mm longer and 57 g heavier than the Sony Carl Zeiss Planar T* 50 mm f/1.4 ZA SSM.

05

Sample frames

Shot on each lens

Samyang 50mm F1.4 AS UMC

319/365/2023
319/365/2023 by FadeToBlackLP
_DSC3713C1
_DSC3713C1 by i_vasilev
_DSC7814-Exposure.jpg
_DSC7814-Exposure.jpg by phillyguy1631
Self shoot
Self shoot by phillyguy1631
06

Video reviews

4 on YouTube
Video thumbnail for Samyang 50mm F1.4 AS UMC review 1
Video thumbnail for Samyang 50mm F1.4 AS UMC review 2
Video thumbnail for Sony Carl Zeiss Planar T* 50 mm f/1.4 ZA SSM review 1
Video thumbnail for Sony Carl Zeiss Planar T* 50 mm f/1.4 ZA SSM review 2
07

Questions

Which is lighter, the Samyang 50mm F1.4 AS UMC or the Sony Carl Zeiss Planar T* 50 mm f/1.4 ZA SSM?
The Sony Carl Zeiss Planar T* 50 mm f/1.4 ZA SSM weighs 518 g, 57 g less than the Samyang 50mm F1.4 AS UMC (575 g).
Do the Samyang 50mm F1.4 AS UMC and the Sony Carl Zeiss Planar T* 50 mm f/1.4 ZA SSM have image stabilization?
No, neither lens has optical image stabilization; rely on in-body stabilization if your camera has it.
Is the Samyang 50mm F1.4 AS UMC or the Sony Carl Zeiss Planar T* 50 mm f/1.4 ZA SSM better for portrait photography?
For portrait photography, the Sony Carl Zeiss Planar T* 50 mm f/1.4 ZA SSM has the edge: it is 57 g lighter to carry.
08

Other comparisons