Rokinon 20mm f/1.8 ED AS UMC 20mm

★★★★★ 4.5 (14)

The bright f/1.8 aperture and 20mm focal length, combined with two aspherical and three ED elements, produce sharp, aberration-controlled images on full-frame Nikon F cameras. Its 485g manual focus design focuses down to 7.9 inches, and the 7-blade rounded diaphragm with Ultra Multi-Coating creates smooth bokeh while resisting flare. This lens suits astrophotographers and portrait shooters who prioritize a fast wide-angle perspective and hands-on control without needing autofocus.

Focal length 20mm
Aperture f/1.8
Mount Nikon F
Weight 485 g
Rokinon 20mm f/1.8 ED AS UMC 20mm lens
69 総合スコア
他の国でも利用可能:

Snapshot

メリットとデメリット

Pros

Cons

What owners think

購入者の評価が時間とともにどう変化したか

独自

顧客が実際にレビューを書いた時期に基づいています。発売当初の高評価が続いたかどうかがわかります。

85/100当社のAIによる感情分析信頼度: 中 · 17 件のソース · 2026年5月
2131Q3 '18Q2 '19Q3 '19Q1 '26
満足(4〜5★)不満(1〜2★)バーの高さ = レビュー件数

日付のある顧客レビュー 7 件を暦四半期ごとに集計しています。期間別の分析は英語です。

The proof

パフォーマンス

パフォーマンス偏差値

AF 54.9
Bokeh 90.7
Build 50.7
Macro 81.2
Optical 54.1
Aperture 93
User Sentiment 63.6
Versatility 34.1
Social Proof 39.8
Stabilization 35.9

スペック

全スペック一覧

Optics

Focal Length Min 20
Focal Length Max 20
Elements 13
Groups 12

Aperture

Max Aperture f/1.8
Min Aperture f/22
Diaphragm Blades 7

Build

Mount Nikon F
Format Full-Frame
Weight 0.5 kg / 1.1 lbs
Filter Thread 77

AF & Stabilization

Stabilization No

Focus

Min Focus Distance 200

競合製品との比較

Spec Rokinon 20mm f/1.8 ED AS UMC 20mm Sigma Contemporary 16-300mm f/3.5-6.7 DC OS Nikon NIKKOR Z 28-400mm f/4-8 VR Panasonic LUMIX G Leica DG Vario-Elmarit H-ES50200 Tamron Di III 28-75mm f/2.8 Di III VXD G2 Sony E SELP1650
Focal Length 20mm 16-300mm 28-400mm 50-200mm 28-75mm 16-50mm
Max Aperture f/1.8 f/3.5 f/4 f/2.8 f/2.8 f/3.5
Mount Nikon F Sony E Nikon Z Micro Four Thirds Sony E Sony E
Stabilization false true true true false true
Weather Sealed false true true true true false
Weight (g) 485 615 726 655 550 116
AF Type - HLA STM linear motor VXD Stepping motor
Lens Type - zoom zoom telephoto zoom zoom
Compare Compare Compare Compare Compare
Product AfBokehBuildMacroOpticalApertureUser SentimentVersatilitySocial ProofStabilization
Rokinon 20mm f/1.8 ED AS UMC 20mm 54.990.750.781.254.19363.634.139.835.9
Sigma Contemporary 16-300mm f/3.5-6.7 DC OS Compare 54.984.658.385.998.977.5099.67899
Nikon NIKKOR Z 28-400mm f/4-8 VR Compare 86.678.450.881.29771.8098.983.198.2
Panasonic LUMIX G Leica DG Vario-Elmarit H-ES50200 Compare 98.286.454.622.895.984.191.788.365.996.3
Tamron Di III 28-75mm f/2.8 Di III VXD G2 Compare 54.986.463.284.891.284.180.878.591.735.9
Sony E SELP1650 Compare 86.675.593.635.164.477.563.683.574.192.5

Price

コストパフォーマンス

最安 R$3,809 1店舗で1件の価格
Amazon.com.br 1件 最安 R$3,809
R$3,809

用途別スコア

Macro (68.2)Overall (68.9)Budget (58.9)Street (63.4)Travel (38.8)Portrait (74.9)Landscape (37.9)Professional (55)Video Cinema (56.6)Wildlife Sports (45.4)

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