Samyang 100mm f/2.8 ED UMC Macro Review

The Samyang 100mm f/2.8 macro delivers stunning sharpness for a bargain price, but only if you're okay with manual focus. It's a one-trick pony, but it does that trick brilliantly.

Focal Length 100mm
Max Aperture f/2.8
Mount Canon EF
Stabilization No
Weather Sealed No
Weight 717 g
Lens Type Macro
Samyang 100mm f/2.8 ED UMC Macro lens
61.5 Overall Score

Overview

If you want to get into real 1:1 macro photography on a Canon DSLR without spending a fortune, this Samyang 100mm f/2.8 is your ticket. It's a manual focus-only lens, which is a dealbreaker for some, but for the price, the optical quality is shockingly good. The one thing to know is that you're trading autofocus for incredible sharpness and value.

Performance

The optical performance is what really surprised me. It lands in the 89th percentile for sharpness, which is fantastic for a lens at this price. You get clean, detailed images right from f/2.8, and it's tack-sharp by f/5.6. The trade-off is the autofocus, or lack thereof. At the 49th percentile, it's manual focus only, so you'll need patience for moving subjects.

Performance Percentiles

AF 46.4
Bokeh 59.2
Build 53.8
Macro 63.3
Optical 88.7
Aperture 54.6
Versatility 37.5
Social Proof 66.5
Stabilization 37.9

Pros & Cons

Pros

  • Strong optical (89th percentile) 89th

Cons

Specifications

Full Specifications

Optics

Type Macro
Focal Length Min 100
Focal Length Max 100
Elements 15
Groups 12

Aperture

Max Aperture f/2.8
Min Aperture f/32
Diaphragm Blades 9

Build

Mount Canon EF
Format Full-Frame
Weight 0.7 kg / 1.6 lbs
Filter Thread 67

AF & Stabilization

Stabilization No

Focus

Min Focus Distance 307
Max Magnification 1:1

Value & Pricing

At around $429, this lens is a steal for the optical quality you get. You're paying for glass, not electronics. If you can live with manual focus, it delivers image quality that punches way above its price tag.

vs Competition

The most obvious competitor is Canon's own EF 100mm f/2.8L Macro. The Canon has autofocus, image stabilization, and weather sealing, but it costs more than twice as much. If you need those features, pay up for the Canon. But if you're on a budget and value pure image sharpness, the Samyang wins. Don't compare it to the listed zooms like the Sony 24-240mm; they're versatile travel lenses but can't touch the Samyang's macro capability or sharpness at 100mm.

Spec Samyang 100mm f/2.8 ED UMC Macro Meike Meike 55mm F1.4 Standard Aperture APS-C Frame AF Viltrox Air VILTROX 35mm F1.7 f/1.7 Air AF Lens for Fuji X Tamron Di III Tamron 17-70mm f/2.8 Di III-A VC RXD Lens for Sony Canon RF Canon RF 24mm f/1.8 Macro IS STM Lens Fujifilm VILTROX 56mm F1.4 STM APS-C Frame Auto Focus
Focal Length 100mm 55mm 35mm 17-70mm 24mm -
Max Aperture f/2.8 f/1.4 f/1.7 f/2.8 f/1.8 f/1.4
Mount Canon EF Nikon Z Fujifilm X Sony E-Mount, Sony E-Mount, Sony E-Mount, Sony E-Mount, Sony E-M Canon RF Fujifilm X
Stabilization false true true true true true
Weather Sealed false false false false false true
Weight (g) 717 281 400 544 272 320
AF Type - STM STM Autofocus Autofocus STM
Lens Type Macro - - Wide-Angle Zoom Wide-Angle -
Compare Compare Compare Compare Compare
Product AfBokehBuildMacroOpticalApertureVersatilitySocial ProofStabilization
Samyang 100mm f/2.8 ED UMC Macro 46.459.253.863.388.754.637.566.537.9
Meike 55mm F1.4 Standard Aperture APS-C Frame AF STM Compare 95.681.881.189.167.588.137.589.987.8
Viltrox Air 35mm F1.7 f/1.7 AF Compare 95.673.663.493.27480.537.595.187.8
Tamron Di III 17-70mm f/2.8 -A VC RXD Compare 46.459.264.377.490.854.692.595.187.8
Canon RF 24mm f/1.8 Macro IS STM Compare 46.481.887.68182.575.837.59899.9
Fujifilm VILTROX 56mm F1.4 STM APS-C Frame Auto Focus Standard Prime Compare 95.681.888.885.334.688.137.586.787.8

Verdict

This is a specialist's lens, and for that specialist, it's an easy recommendation. If you shoot still life, products, or patient insects and you're comfortable with manual focus, buy it. The image quality is fantastic. If you need to quickly focus on anything that moves or you shoot handheld video, look elsewhere. It does one thing very, very well for not a lot of money.