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Viltrox AF 40mm f/2.5 FE 40mm

★★★★★ 4.6 (335)

Weighing just 167g, this full-frame 40mm f/2.5 prime stands out for its exceptional portability without sacrificing a bright aperture or weather-sealed build. The STM motor delivers quick, quiet autofocus, while the optical design with one ED and one aspherical element controls aberrations in a compact package. This lens is best for street and travel photographers who prioritize a lightweight, discreet setup on Sony E-mount bodies.

Focal length 40mm
Aperture f/16
Mount Sony E
Weather Sealed Yes
Weight 167 g
af type STM
lens type prime
Viltrox AF 40mm f/2.5 FE 40mm lens
66 Overall Score
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Snapshot

Pros & Cons

Pros

  • Strong build (96th percentile) 96th
  • Strong af (87th percentile) 87th
  • Strong social proof (83rd percentile) 83rd
  • Strong macro (67th percentile) 67th

Cons

  • Below average bokeh (32nd percentile)
  • Below average versatility (34th percentile)

What owners think

How owner sentiment changed over time

Exclusive

Based on when customers actually wrote their reviews - so you can see whether early praise held up.

Owner sentiment has cooled since launch
82/100Our AI sentiment readmedium confidence · 23 sources · May 2026
1★2★3★4★5★Q2 '20: 5.0★ · 1 reviewQ3 '22: 3.0★ · 1 reviewQ1 '23: 1.0★ · 1 reviewQ2 '23: 5.0★ · 2 reviewsQ3 '23: 5.0★ · 1 reviewQ2 '24: 5.0★ · 4 reviewsQ3 '24: 5.0★ · 1 reviewQ4 '24: 5.0★ · 1 reviewQ1 '25: 5.0★ · 1 reviewQ2 '25: 5.0★ · 4 reviewsQ3 '25: 4.4★ · 10 reviewsQ4 '25: 4.3★ · 9 reviewsQ1 '26: 4.4★ · 7 reviews11121411141097Q2 '20Q3 '22Q1 '23Q2 '23Q3 '23Q2 '24Q3 '24Q4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviews
  1. Q1 202674/1004.5★7 reviews

    Buyers praise value, sharpness, lightweight build, and bokeh. Some report autofocus issues and close-focus limitations.

    • Excellent value for price; sharp, contrasty images with good bokeh.
    • Compact, lightweight build with included lens hood, ideal for travel.
    • Autofocus can struggle or hunt, especially with eye-tracking active.
    • Close-up photography is weak; lens works best for landscape/architecture.
  2. Q4 202573/1004.3★9 reviews

    Buyers praised sharpness, autofocus, and value, but noted some quality issues including a used lens shipped as new and minor noise.

    • Excellent sharpness and optical clarity even wide open, considered great value for price.
    • Fast, quiet autofocus with good low-light performance and minimal focus breathing.
    • Compact and premium build for the price, but some found autofocus loud or plastic body.
    • One buyer received a used lens in an opened package, missing manual and case.
  3. Q3 202582/1004.4★10 reviews

    Buyers praise the Viltrox 50mm f/2.0 for being lightweight, sharp, and excellent value, though some note ho-hum contrast, corners, and a cheap hood.

    • Lightweight and compact design praised by multiple users.
    • Sharpness and autofocus performance exceed price expectations.
    • Optical quality is good for the cost, but contrast and corners are just okay.
    • Hood is cheap and lens requires post-processing to optimize results.
  4. Q2 202588/1005.0★4 reviews

    Reviewers praise the lens for sharpness, value, and quality; a light prime solution for travel is noted; minor imperfections mentioned but overall very positive.

    • Sharp lens and great value for the price on Sony and Nikon bodies.
    • Not perfect, but very good performance overall as a third-party option.
    • Lightweight and discreet prime lens ideal for street and travel photography.
    • Focal length selection (40mm) comfortable based on user testing and reviews.
  5. Q2 2024100/1005.0★4 reviews

    Buyers praised the lens for its sharpness, lightweight build, fast autofocus, and good low-light performance. Some noted a plasticky feel and storage bag instead of a case.

    • Excellent image sharpness and quality across reviews.
    • Lightweight and portable design for all-day shooting.
    • Plasticky feel noted but accepted due to weight savings.
    • Included soft storage bag offers little protection; case preferred.

Based on 43 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Performance Percentiles

AF 87
Bokeh 32
Build 95.6
Macro 66.6
Optical 58.2
Aperture 45.8
User Sentiment 44.2
Versatility 33.6
Social Proof 83.1
Stabilization 38

Specifications

Full Specifications

Optics

Type Prime
Focal Length Min 40
Focal Length Max 40
Elements 10
Groups 6
Aspherical Elements 1
ED Elements 1
Coating high-definition nano multi-layer coating, front lens waterproof and anti-fouling coating

Aperture

Max Aperture f/16
Min Aperture f/2.5
Constant No
Diaphragm Blades 7

Build

Mount Sony E
Format full-frame
Weather Sealed Yes
Weight 0.2 kg / 0.4 lbs
Filter Thread 52

AF & Stabilization

AF Type STM
Stabilization No

Focus

Min Focus Distance 340
Max Magnification 1:7.14

vs Competition

Spec Viltrox AF 40mm f/2.5 FE 40mm Nikon NIKKOR Z 17-28mm f/2.8 Tamron Di III 28-75mm f/2.8 VXD G2 Sigma Contemporary 10-18mm f/2.8 DC DN Panasonic Leica DG Vario-Elmarit H-ES12060 Canon RF 28-70mm f/2.8 IS STM
Focal Length 40mm 17-28mm 28-75mm 10-18mm 12-60mm 28-70mm
Max Aperture f/16 f/2.8 f/2.8 f/2.8 f/2.8 f/22
Mount Sony E Nikon Z Sony E Sony E Micro Four Thirds Canon RF
Stabilization false false false false true true
Weather Sealed true true true true true true
Weight (g) 167 450 540 260 320 495
AF Type STM Stepping Motor VXD Autofocus linear motor STM
Lens Type prime zoom zoom zoom zoom zoom
Compare Compare Compare Compare Compare
Product AFBokehBuildMacroOpticalApertureUser SentimentVersatilitySocial ProofStabilization
Viltrox AF 40mm f/2.5 FE 40mm 873295.666.658.245.844.233.683.138
Nikon NIKKOR Z 17-28mm f/2.8 Compare 8788.173.686.38785.890.868.164.638
Tamron Di III 28-75mm f/2.8 VXD G2 Compare 54.688.167.287.387.885.880.478.283.138
Sigma Contemporary 10-18mm f/2.8 DC DN Compare 54.683.587.393.381.685.880.469.168.838
Panasonic Leica DG Vario-Elmarit H-ES12060 Compare 9888.183.150.490.285.844.293.163.583.2
Canon RF 28-70mm f/2.8 IS STM Compare 8725.970.280.48522.698.177.287.998.5

Price

Value & Pricing

From R$873 2 offers across 1 retailer
Amazon.com.br 2 offers From R$873

Price History

R$870 R$880 R$890 R$900 May 21Jul 18 R$873

Usage Scores

Macro (62.1)Overall (66.2)Budget (65.7)Street (72.5)Travel (66.8)Portrait (54.6)Landscape (63.4)Professional (63)Video Cinema (53.7)Wildlife Sports (64.6)

A full written review is coming soon. The specs, scores, prices and charts above are always up to date.

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