Cameraegg Compare logoCameraegg

Sony

FE 20-70mm F4 G

Sony E Mount

FE 20-70mm F4 G — 20–70mm f/4 for Sony E, a popular choice in the sony lineup.

$1,099

Launch price

Released Jan 2023

vs
FE 50mm F1.4 GM

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 Feb 2023

Released within a month of each other.

Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.

Wins

4categories

FE 20-70mm F4 G

LandscapeTravel

Wins

3categories

FE 50mm F1.4 GM

PortraitSports & Action

1 categories tied

Which would you choose?

TL;DR — Key differences

FE 20-70mm F4 G wins 3 categories·FE 50mm F1.4 GM wins 2 categories
  • BFE 50mm F1.4 GM has lower Max aperture (Wide) (f/1.4 vs f/4)
  • BFE 50mm F1.4 GM has lower Max aperture (Tele) (f/1.4 vs f/4)
  • AFE 20-70mm F4 G has higher Max magnification (0.39 × vs 0.16 ×)
  • AFE 20-70mm F4 G has lower Min focus distance (30 cm vs 41 cm)
  • AFE 20-70mm F4 G has lower Diameter (76 mm vs 80.6 mm)

Key specs at a glance

FE 20-70mm F4 GFE 50mm F1.4 GM
Focal Length20-70 mm50 mm
Max Aperturef/4f/1.4
MountSony ESony E
CoverageFull FrameFull-Frame
StabilizationNoNo
Weight488 g516 g
Min Focus30 cm41 cm
Filter Size72 mm67 mm

Size and weight, to scale

FE 20-70mm F4 G

76 × 99 mm

488 g (1.08 lb / 17.21 oz)

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

Credit card

85.6 × 54 mm

for scale

FE 50mm F1.4 GM shown to scale

FE 50mm F1.4 GM

81 × 96 mm

516 g (1.14 lb / 18.20 oz)

FE 20-70mm F4 G is 3mm longer and 5mm narrower than FE 50mm F1.4 GM.

FE 20-70mm F4 G is 28 g lighter than FE 50mm F1.4 GM.

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 20-70mm F4 GFE 50mm F1.4 GM
Portrait
1.0Limited
8.5Excellent
Sports & Action
5.5Fair
6.5Good
Video & Hybrid
5.0Fair
4.5Fair
Landscape
8.0Excellent
4.0Fair
Travel
7.0Good
3.5Limited
Wildlife
3.0Limited
3.0Limited
Macro & Close-up
3.5Limited
0.0Limited

Why pick one over the other

Reasons to choose the FE 20-70mm F4 G

  • Special elements

    Adds 3 Aspherical, 1 ED, 1 Super ED

  • Min focus distance

    30 cm vs 41 cm — lower is better

  • Max magnification

    0.39 × vs 0.16 × — higher is better

  • Diameter

    76 mm vs 80.6 mm — lower is better

  • Weight

    488 g vs 516 g — lower is better

Reasons to choose the FE 50mm F1.4 GM

  • Special elements

    Adds Aspherical, ED

  • Max aperture (Wide)

    f/1.4 vs f/4 — lower is better

  • Max aperture (Tele)

    f/1.4 vs f/4 — lower is better

  • Custom function button

    Only FE 50mm F1.4 GM supports it

  • Length

    96 mm vs 99 mm — lower is better

Shared specifications

Internal focus

Both support internal focus

Weather sealing

Both support weather sealing

Control ring

Both support control ring

Pros & cons at a glance

Editorially curated highlights and trade-offs.

FE 20-70mm F4 G

Pros

  • Versatile zoom range covers multiple focal lengths in one lens
  • Weather-sealed construction for outdoor shooting
  • Native Sony E mount compatibility

Cons

  • No optical stabilization — relies on body IBIS
  • Slower maximum aperture limits low-light performance

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

Decided which one is right for you?

Compare live prices for the FE 20-70mm F4 G and FE 50mm F1.4 GM at major authorized retailers.

Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.

Full specifications

= category winner

FE 20-70mm F4 G
FE 50mm F1.4 GM
Focal length (Min)
20 mm
50 mm
Focal length (Max)
70 mm
50 mm
Max aperture (Wide)
f/4
f/1.4+3 stops wider
Max aperture (Tele)
f/4
f/1.4+3 stops wider
Elements
16
14
Groups
13
11
Special elements
3 Aspherical, 1 ED, 1 Super ED
Aspherical, ED
FE 20-70mm F4 G
FE 50mm F1.4 GM
Min focus distance
30 cm−11 cm less
41 cm
Max magnification
0.39 ×2.4× more
0.16 ×
Autofocus motor
2 XD Linear Motors
Linear / Stepping Motor
Internal focus
Yes
Yes
FE 20-70mm F4 G
FE 50mm F1.4 GM
Optical stabilization
No
No
OIS effectiveness
0 stops
0 stops
FE 20-70mm F4 G
FE 50mm F1.4 GM
Weight
488 g−28 g less
516 g
Length
99 mm
96 mm−3 mm less
Diameter
76 mm−5 mm less
80.6 mm
Filter thread size
72 mm
67 mm
Weather sealing
Yes
Yes
Diaphragm blades
7
11
FE 20-70mm F4 G
FE 50mm F1.4 GM
Lens mount
Sony E
Sony E
Format coverage
Full Frame
Full-Frame

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