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Sony

FE 50mm F1.4 GM

Sony E Mount

FE 50mm F1.4 GM — 50mm f/1.4 for Sony E, a popular choice in the sony lineup.

$1,799

Launch price

Released Mar 2025

vs

Viltrox

AF 27mm F1.2 Pro FE

Sony E Mount

AF 27mm F1.2 Pro FE — 27mm f/1.2 for Sony E, a popular choice in the viltrox lineup.

$799

Launch price

Released Oct 2023

FE 50mm F1.4 GM is 1.4 years newer.

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Wins

2categories

FE 50mm F1.4 GM

PortraitSports & Action

Wins

5categories

AF 27mm F1.2 Pro FE

PortraitSports & Action

1 categories tied

Which would you choose?

TL;DR — Key differences

FE 50mm F1.4 GM wins 1 categories·AF 27mm F1.2 Pro FE wins 4 categories
  • AFE 50mm F1.4 GM has higher Max magnification (0.15 × vs 0.1 ×)
  • BAF 27mm F1.2 Pro FE has lower Length (88 mm vs 131 mm)
  • BAF 27mm F1.2 Pro FE has lower Max aperture (Wide) (f/1.2 vs f/1.4)
  • BAF 27mm F1.2 Pro FE has lower Max aperture (Tele) (f/1.2 vs f/1.4)
  • BAF 27mm F1.2 Pro FE has lower Min focus distance (28 cm vs 30 cm)

Key specs at a glance

FE 50mm F1.4 GMAF 27mm F1.2 Pro FE
Focal Length50 mm27 mm
Max Aperturef/1.4f/1.2
MountSony ESony E
CoverageFull FrameFull Frame
StabilizationNoNo
Weight580 g595 g
Min Focus30 cm28 cm
Filter Size77 mm67 mm

Size and weight, to scale

FE 50mm F1.4 GM

81 × 131 mm

580 g (1.28 lb / 20.46 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

for scale

AF 27mm F1.2 Pro FE

76 × 88 mm

595 g (1.31 lb / 20.99 oz)

FE 50mm F1.4 GM is 43mm longer and 5mm wider than AF 27mm F1.2 Pro FE.

FE 50mm F1.4 GM is 15 g lighter than AF 27mm F1.2 Pro FE.

Diameter (⌀) is the maximum barrel width; length is measured from the mount to the front of the lens.

Use-case scoring

Which one for what?

Algorithmic scores from verified specs · 10 = best in class

Use caseFE 50mm F1.4 GMAF 27mm F1.2 Pro FE
Portrait
8.5Excellent
7.0Good
Sports & Action
6.5Good
6.5Good
Video & Hybrid
4.5Fair
3.5Limited
Landscape
4.0Fair
4.0Fair
Travel
3.5Limited
3.5Limited
Wildlife
3.0Limited
2.0Limited
Macro & Close-up
1.5Limited
1.5Limited

Why pick one over the other

Reasons to choose the FE 50mm F1.4 GM

  • Special elements

    Adds Aspherical, ED

  • Control ring

    Only FE 50mm F1.4 GM supports it

  • Custom function button

    Only FE 50mm F1.4 GM supports it

  • Max magnification

    0.15 × vs 0.1 × — higher is better

  • Weight

    580 g vs 595 g — lower is better

Reasons to choose the AF 27mm F1.2 Pro FE

  • Special elements

    Adds 1 Aspherical, 3 ED, 3 HR

  • Length

    88 mm vs 131 mm — lower is better

  • Max aperture (Wide)

    f/1.2 vs f/1.4 — lower is better

  • Max aperture (Tele)

    f/1.2 vs f/1.4 — lower is better

  • Min focus distance

    28 cm vs 30 cm — lower is better

  • Diameter

    76 mm vs 81 mm — lower is better

Shared specifications

Internal focus

Both support internal focus

Weather sealing

Both support weather sealing

Pros & cons at a glance

Editorially curated highlights and trade-offs.

FE 50mm F1.4 GM

Pros

  • Bright f/1.4 aperture for low light and subject separation
  • Prime design typically delivers strong sharpness and lighter weight
  • Weather-sealed construction for outdoor shooting

Cons

  • Third-party or older alternatives may offer better value

AF 27mm F1.2 Pro FE

Pros

  • Bright f/1.2 aperture for low light and subject separation
  • Prime design typically delivers strong sharpness and lighter weight
  • Native Sony E mount compatibility

Cons

  • Third-party or older alternatives may offer better value

Decided which one is right for you?

Compare live prices for the FE 50mm F1.4 GM and AF 27mm F1.2 Pro FE at major authorized retailers.

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Full specifications

= category winner

FE 50mm F1.4 GM
AF 27mm F1.2 Pro FE
Focal length (Min)
50 mm
27 mm
Focal length (Max)
50 mm
27 mm
Max aperture (Wide)
f/1.4
f/1.2+0.4 stops wider
Max aperture (Tele)
f/1.4
f/1.2+0.4 stops wider
Elements
14
12
Groups
11
11
Special elements
Aspherical, ED
1 Aspherical, 3 ED, 3 HR
FE 50mm F1.4 GM
AF 27mm F1.2 Pro FE
Min focus distance
30 cm
28 cm−2 cm less
Max magnification
0.15 ×+50%
0.1 ×
Autofocus motor
Linear / Stepping Motor
STM stepping motor
Internal focus
Yes
Yes
FE 50mm F1.4 GM
AF 27mm F1.2 Pro FE
Optical stabilization
No
No
OIS effectiveness
0 stops
0 stops
FE 50mm F1.4 GM
AF 27mm F1.2 Pro FE
Weight
580 g−15 g less
595 g
Length
131 mm
88 mm−43 mm less
Diameter
81 mm
76 mm−5 mm less
Filter thread size
77 mm
67 mm
Weather sealing
Yes
Yes
Diaphragm blades
11
11
FE 50mm F1.4 GM
AF 27mm F1.2 Pro FE
Lens mount
Sony E
Sony E
Format coverage
Full Frame
Full Frame

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.