CameraDecision
  • CAMERAS
    • All Cameras
    • Cameras by Brand
      • Sony Cameras
      • Canon Cameras
      • Nikon Cameras
      • Pentax Cameras
      • Fujifilm Cameras
      • Olympus Cameras
      • Panasonic Cameras
      • Leica Cameras
      • Samsung Cameras
    • Cameras by Body Type
      • Mirrorless Cameras
      • DSLR Cameras
      • Compact Cameras
      • Bridge Cameras
      • Waterproof Cameras
    • Cameras by Lens Mount
      • Sony E Mount Cameras
      • Canon RF Mount Cameras
      • Nikon Z Mount Cameras
      • Micro Four Thirds Mount Cameras
      • Fujifilm X Mount Cameras
      • Leica L Mount Cameras
      • Nikon F Mount Cameras
      • Canon EF Mount Cameras
      • Canon EF M Mount Cameras
      • Canon EF S Mount Cameras
      • Pentax KAF Mount Cameras
      • Sony Alpha Mount Cameras
      • Fujifilm G Mount Cameras
      • Sigma SA Mount Cameras
      • Nikon 1 Mount Cameras
  • LENSES
    • All Lenses
    • Lenses by Mount
      • Sony E Mount Lenses
      • Canon RF Mount Lenses
      • Nikon Z Mount Lenses
      • Canon EF Mount Lenses
      • Canon EF M Mount Lenses
      • Canon EF S Mount Lenses
      • Nikon F Mount Lenses
      • Fujifilm X Mount Lenses
      • Micro Four Thirds Mount Lenses
      • Leica L Mount Lenses
      • Pentax KAF Mount Lenses
      • Fujifilm G Mount Lenses
      • Sigma SA Mount Lenses
      • Sony Alpha Mount Lenses
    • Teleconverters
    • Cinema Lenses
      • Sony E Mount Cine Lenses
      • Canon RF Mount Cine Lenses
      • Nikon Z Mount Cine Lenses
      • Canon EF Mount Cine Lenses
      • Nikon F Mount Cine Lenses
      • ARRI PL Mount Cine Lenses
      • Fujifilm X Mount Cine Lenses
      • Micro Four Thirds Mount Cine Lenses
      • Leica L Mount Cine Lenses
  • TOOLS
    • Cameras
      • Smart Find
      • 1-on-1 Comparison
    • Lenses
      • Smart Find
      • 1-on-1 Comparison
  • BLOG

Samyang 20mm F1.8 ED AS UMC vs Canon EF 24mm f1.4L II USM

x
Lens to replace
Change

Samyang 20mm F1.8

Wideangle Prime | Canon EF

Samyang 20mm F1.8 ED AS UMC
CHECK PRICE

BUY from B&H PHOTO
Change
    
Canon 24mm f1.4L II USM

Wideangle Prime | Canon EF

Canon EF 24mm f1.4L II USM
CHECK PRICE

BUY from B&H PHOTO

Samyang 20mm F1.8 vs Canon 24mm f1.4L II USM Comparison Overview

In this review, we will be comparing Samyang 20mm F1.8 and Canon 24mm f1.4L II USM, two Wideangle Prime lenses from Samyang and Canon.

We will start with briefly looking and the main specs of these two lenses and in the section, we will start analyzing in more detail and list the pros and cons of each lenses.

Samyang 20mm F1.8 Key Specs

  • 20mm Focal Range
  • F1.8 Max Aperture
  • Filter Thread: 77mm
  • Max Format: 35mm FF
  • Canon EF Mount
  • Weight: 497g.
  • Diameter: 83mm
  • Length: 88mm
  • Min Focus Distance:0.2m

Canon 24mm f1.4L II USM Key Specs

  • 24mm Focal Range
  • F1.4 Max Aperture
  • Weather Sealed
  • Filter Thread: 77mm
  • Max Format: 35mm FF
  • Canon EF Mount
  • Weight: 650g.
  • Diameter: 94mm
  • Length: 87mm
  • Min Focus Distance:0.25m
  • Max Magnification:0.17x

What type of photography are the Samyang 20mm F1.8 and Canon 24mm f1.4L II USM lenses good for?

The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Samyang 20mm F1.8 and the Canon 24mm f1.4L II USM for their suitability to various photography scenarios:

Photography Type Samyang 20mm F1.8 Canon 24mm f1.4L II USM
Bird/WildlifePoorPoor
SportsPoorPoor
PortraitFairFair
TravelAverageAverage
StreetExcellentExcellent
WeddingFairFair
Walk AroundAverageAverage
VloggingVery GoodVery Good
LandscapeGoodGood

Size and Weight Comparison

Size of a lens is an important deciding factor when comparing two lenses.Samyang 20mm F1.8 is the longer of the two lenses at 88mm. The Canon 24mm f1.4L II USM with a length of 87mm is 1mm shorter. On the other hand, the Canon 24mm f1.4L II USM has a larger diameter of 94mm compared to Samyang 20mm F1.8's 83mm diameter.

Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Samyang 20mm F1.8 weighs 497g, which means it is 153g (23%) lighter than the Canon 24mm f1.4L II USM which has a weight of 650g.


Below you can find the dimension and weight table of the 'Wideangle Prime Lenses in Canon EF Mount for size comparison purposes.

Wideangle Prime Lenses in Canon EF Mount for Size Comparison
Model Length Diameter Weight Street Price
Canon EF 35mm f2 IS USM Lens Canon 35mm f2 IS USM
63mm
78mm 335g Amazon B&H Photo
Canon EF 28mm f2.8 Lens Canon 28mm f2.8
43mm
67mm 185g Amazon B&H Photo
Samyang MF 14mm F2.8 Mk2 Lens Samyang MF 14mm F2.8 Mk2
96mm
87mm 649g Amazon B&H Photo
Tamron SP 35mm F1.4 Di USD Lens Tamron SP 35mm F1.4 Di USD
mm
mm 805g Amazon B&H Photo
Rokinon 14mm f2.8 IF ED MC Lens Rokinon 14mm f2.8
96mm
87mm 552g Amazon B&H Photo
Voigtlander 28mm F2.8 Color Skopar SL II Lens Voigtlander 28mm F2.8 Color Skopar SL II
25mm
63mm 180g Amazon B&H Photo
Sigma 20mm F1.4 DG HSM A Lens Sigma 20mm F1.4 DG HSM A
130mm
91mm 950g Amazon B&H Photo
Canon EF 24mm f2.8 IS USM Lens Canon 24mm f2.8 IS USM
56mm
68mm 280g Amazon B&H Photo

Lens Mounts

Both Samyang 20mm F1.8 and Canon 24mm f1.4L II USM has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.

Samyang 20mm F1.8 is also available in Canon EF-M , Fujifilm X, Micro Four Thirds, Nikon F (FX), Pentax KAF, Samsung NX, Sony Alpha and Sony E mounts.

Focal Range

Samyang 20mm F1.8 is a prime lens with fixed focal lenght of 20mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 32mm.
Canon 24mm f1.4L II USM is a prime lens with fixed focal lenght of 24mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 38.4mm.

Reasons to choose Samyang 20mm F1.8 ED AS UMC over Canon EF 24mm f1.4L II USM

Focal Length - Wide 20mm vs 24mm 4mm Wider coverage
Aperture Ring Yes vs No able to adjust the aperture on the lens
Weight 497g vs 650g 153g lighter
Diameter 83mm vs 94mm 11mm smaller in diameter
Minimum Focus Distance 0.2m vs 0.25m can focus closer to the subject

Reasons to choose Canon EF 24mm f1.4L II USM over Samyang 20mm F1.8 ED AS UMC

Focal Length - Tele 24mm vs 20mm 4mm more Tele coverage
Max Aperture - Wide 1.4 vs 1.8 Wider aperture at wide end
Max Aperture - Tele 1.4 vs 1.8 Wider aperture at tele end
Diaphgragm Blades 8 vs 7 Potentially more rounded and smooth bokeh
Autofocus Yes vs No Easier, faster and more accurate focusing
Length 87mm vs 88mm 1mm shorter
Weather Sealing Yes vs No safer to use under rain and dust
Max Magnification 0.17x vs x higher magnification better for close-up shots

Common Strengths of Samyang 20mm F1.8 ED AS UMC and Canon EF 24mm f1.4L II USM
Internal Focusing Yes vs Yes Length of the lens doesn't change during focusing
Distance Scale Yes vs Yes Distance Scale to assist focusing
Common Weaknesses of Samyang 20mm F1.8 ED AS UMC and Canon EF 24mm f1.4L II USM
Image Stabilization No vs No Reliant on in-body Image Stabilization



**This post contains affiliate links and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Samyang 20mm F1.8 vs Canon 24mm f1.4L II USM Specs Table

Detailed comparison of specifications
General
Brand Samyang Canon
Lens Type Prime Prime
Price CHECK PRICE CHECK PRICE
Lens Type Wideangle Prime Wideangle Prime
Lens Mount Canon EF Canon EF
Max Format 35mm FF 35mm FF
Focal Range 20mm 24mm
Image Stabilization No
Colour Unknown Black
Zoom Method No Zoom No Zoom
Power Zoom No No
Zoom Lock No No
Zoom Ratio 1.0X 1.0X
Aperture
Max Aperture F1.8 F1.4
Min Aperture F22 F22.0
Aperture Ring Yes No
Diaphragm Blades 7 8
Optics
Optical Elements 13 13
Optical Groups 12 10
Focusing
Min Focus Distance 0.2m 0.25m
Max Magnification unknown 0.17X
Autofocus No Yes
AF Motor Type No AF Ring-type ultrasonic
Full Time Manual Yes Yes
Focus Method Internal Internal
Distance Scale Yes Yes
DoF Scale Unknown Yes
Distance Scale Yes Yes
Focus Distance Limiter Unknown Unknown
Physical Specs
Weight 497g 650g
Diameter 83mm 94mm
Length 88mm 87mm
Materials Unknown Metal barrel, metal mount
Weather Sealing No Yes
Filter Thread 77mm 77mm
Filter Notes - Filter does not rotate on focus
Hood Supplied Yes Yes
Hood Code Unknown EW-83K
Tripod Collar No No
Optional Accessories - Soft Case LP1319
Report a Correction
FOLLOW US


Latest Lenses
Sony FE 20-70mm F4 G
Sony FE 20-70mm F4 G
Sony E | F4 Standard Zoom
Sigma 60-600mm F4.5-6.3 DG DN OS
Sigma 60-600mm F4.5-6.3 DG DN OS
Leica L | F4.5-6.3 Telephoto Zoom
Sigma 60-600mm F4.5-6.3 DG DN OS
Sigma 60-600mm F4.5-6.3 DG DN OS
Sony E | F4.5-6.3 Telephoto Zoom
Panasonic LUMIX S 14-28mm F4-5.6 Macro
Panasonic LUMIX S 14-28mm F4-5.6 Macro
Leica L | F4-5.6 Wideangle Zoom
Panasonic Leica DG Vario-Elmarit 12-35mm F2.8 ASPH POWER OIS
Panasonic Leica DG Vario-Elmarit 12-35mm F2.8 ASPH POWER OIS
Micro Four Thirds | F2.8 Standard Zoom
Most Popular Lenses
Canon EF 75-300mm f4.0-5.6 III
Canon EF 75-300mm f4.0-5.6 III
75-300mm | F4.0 - F5.6 Telephoto Zoom
Sony FE 24-105mm F4 G OSS
Sony FE 24-105mm F4 G OSS
24-105mm | F4 Standard Zoom
Nikon AF Nikkor 70-300mm f4-5.6G
Nikon AF Nikkor 70-300mm f4-5.6G
70-300mm | F4.0 - F5.6 Telephoto Zoom
Fujifilm XF 18-55mm F2.8-4 R LM OIS
Fujifilm XF 18-55mm F2.8-4 R LM OIS
18-55mm | F2.8 - F4.0 Standard Zoom
Fujifilm XF 16-55mm F2.8 R LM WR
Fujifilm XF 16-55mm F2.8 R LM WR
16-55mm | F2.8 Standard Zoom
Copyright © 2023 by CameraDecision
Privacy About Contact Us SpeakerDecision

Report a Correction