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Samyang 20mm F1.8 ED AS UMC vs Zeiss Batis 18mm F2.8

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Samyang 20mm F1.8

Wideangle Prime | Sony E

Samyang 20mm F1.8 ED AS UMC
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Zeiss Batis 18mm F2.8

Wideangle Prime | Sony E

Zeiss Batis 18mm F2.8
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Samyang 20mm F1.8 vs Zeiss Batis 18mm F2.8 Comparison Overview

In this review, we will be comparing Samyang 20mm F1.8 and Zeiss Batis 18mm F2.8, two Wideangle Prime lenses from Samyang and Zeiss.

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
  • Sony E Mount
  • Weight: 497g.
  • Diameter: 83mm
  • Length: 88mm
  • Min Focus Distance:0.2m

Zeiss Batis 18mm F2.8 Key Specs

  • 18mm Focal Range
  • F2.8 Max Aperture
  • Weather Sealed
  • Filter Thread: 77mm
  • Max Format: 35mm FF
  • Sony E Mount
  • Weight: 330g.
  • Diameter: 78mm
  • Length: 80mm
  • Min Focus Distance:0.25m
  • Max Magnification:0.11x

What type of photography are the Samyang 20mm F1.8 and Zeiss Batis 18mm F2.8 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 Zeiss Batis 18mm F2.8 for their suitability to various photography scenarios:

Photography Type Samyang 20mm F1.8 Zeiss Batis 18mm F2.8
Bird/WildlifePoorPoor
SportsPoorPoor
PortraitFairFair
TravelAverageAverage
StreetExcellentAverage
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 Zeiss Batis 18mm F2.8 with a length of 80mm is 8mm shorter. Besides being longer, the Samyang 20mm F1.8 also has a larger diameter of 83mm compared to Zeiss Batis 18mm F2.8's 78mm 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. Zeiss Batis 18mm F2.8 weighs 330g, 33% (167g) lighter than the Samyang 20mm F1.8's weight of 497g.


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

Wideangle Prime Lenses in Sony E Mount for Size Comparison
Model Length Diameter Weight Street Price
Sony FE 35mm F1.8 Lens Sony FE 35mm F1.8
73mm
66mm 280g Amazon B&H Photo
Sigma 16mm F1.4 DC DN Sony E-mount Lens Sigma 16mm F1.4 DC DN E
92mm
72mm 405g Amazon B&H Photo
Sony FE 35mm F1.4 GM Lens Sony FE 35mm F1.4 GM
96mm
76mm 524g Amazon B&H Photo
Sony FE 20mm F1.8 G Lens Sony FE 20mm F1.8 G
85mm
74mm 373g Amazon B&H Photo
Sony E 35mm F1.8 OSS Lens Sony E 35mm F1.8 OSS
45mm
63mm 155g Amazon B&H Photo
Sony FE 24mm F1.4 GM Lens Sony FE 24mm F1.4 GM
92mm
75mm 445g Amazon B&H Photo
Sony FE 14mm F1.8 GM Lens Sony FE 14mm F1.8 GM
100mm
83mm 460g Amazon B&H Photo
Sony FE 35mm F2.8 ZA Carl Zeiss Sonnar T Lens Sony FE 35mm F2.8 ZA CZ
37mm
62mm 120g Amazon B&H Photo

Lens Mounts

Both Samyang 20mm F1.8 and Zeiss Batis 18mm F2.8 has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony A7R V, Sony FX30 and Sony A7 IV.

Samyang 20mm F1.8 is also available in Canon EF , Canon EF-M, Fujifilm X, Micro Four Thirds, Nikon F (FX), Pentax KAF, Samsung NX and Sony Alpha 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 1.5x crop, it provides an 35mm (FF) equivalent of 30mm.
Zeiss Batis 18mm F2.8 is a prime lens with fixed focal lenght of 18mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 27mm.

Reasons to choose Samyang 20mm F1.8 ED AS UMC over Zeiss Batis 18mm F2.8

Focal Length - Tele 20mm vs 18mm 2mm more Tele coverage
Max Aperture - Wide 1.8 vs 2.8 Wider aperture at wide end
Max Aperture - Tele 1.8 vs 2.8 Wider aperture at tele end
Diaphgragm Blades 7 vs Potentially more rounded and smooth bokeh
Aperture Ring Yes vs No able to adjust the aperture on the lens
Minimum Focus Distance 0.2m vs 0.25m can focus closer to the subject

Reasons to choose Zeiss Batis 18mm F2.8 over Samyang 20mm F1.8 ED AS UMC

Focal Length - Wide 18mm vs 20mm 2mm Wider coverage
Autofocus Yes vs No Easier, faster and more accurate focusing
Weight 330g vs 497g 167g lighter
Diameter 78mm vs 83mm 5mm smaller in diameter
Length 80mm vs 88mm 8mm shorter
Weather Sealing Yes vs No safer to use under rain and dust
Max Magnification 0.11x vs x higher magnification better for close-up shots

Common Strengths of Samyang 20mm F1.8 ED AS UMC and Zeiss Batis 18mm F2.8
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 Zeiss Batis 18mm F2.8
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 Zeiss Batis 18mm F2.8 Specs Table

Detailed comparison of specifications
General
Brand Samyang Zeiss
Lens Type Prime Prime
Price CHECK PRICE CHECK PRICE
Lens Type Wideangle Prime Wideangle Prime
Lens Mount Sony E Sony E
Max Format 35mm FF 35mm FF
Focal Range 20mm 18mm
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 F2.8
Min Aperture F22
Aperture Ring Yes No
Diaphragm Blades 7 unknown
Optics
Optical Elements 13 11
Optical Groups 12 10
Focusing
Min Focus Distance 0.2m 0.25m
Max Magnification unknown 0.11X
Autofocus No Yes
AF Motor Type No AF Linear Motor
Full Time Manual Yes Unknown
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 330g
Diameter 83mm 78mm
Length 88mm 80mm
Materials Unknown Unknown
Weather Sealing No Yes
Filter Thread 77mm 77mm
Filter Notes - -
Hood Supplied Yes Yes
Hood Code Unknown Unknown
Tripod Collar No No
Optional Accessories - -
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