Sony E 20mm F2 8 Review | 54 Data compared

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  • Avg. price in UK: ~£270
  • Avg. price in US: ~$380
  • Lens mount: Sony E
  • Maximum focal length: 20 mm
  • Maximum aperture (telephoto end): 2.8
  • Optical image stabilization: no
  • Maximum angle of view: 70 °

Sony E 20mm F2 8 review. Compare 54 technical specifications and user reviews to see how it ranks among camera lenses and if it is worth buying.

7.3

Overall score

What it is: An overall evaluation of the camera lens's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best camera lenses on the market.

Score components:

80.0%

6.9

Technical Score

20.0%

9.0

User score

Very good
6.9

Technical Score

What it is: An assessment of the camera lens's technical performance, covering eight key areas: sharpness, aperture flexibility, autofocus, stabilization, build quality, mount compatibility, close-focus performance, and design.

When it matters: When you want to compare camera lenses based on technical performance and available features.

Score components:

35.0%

8.0

Optics & Aperture

24.0%

7.3

Build & Handling

20.0%

5.6

Focus & Controls

10.0%

8.3

Lab Scores

8.0%

4.2

Stabilization

3.0%

1.0

Mount & Format

Good
9.0

User score

What it is: A rating that combines user reviews and the total number of reviews received by the camera lens.

When it matters: When real-world owner satisfaction and review volume matter to your decision.

Score components:

70.0%

8.6

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.4
(299)
amazon
4.3
(185)
United States
Amazon_logo.png
4.3
(326)
Amazon_logo.png
4.5
(181)
Amazon_logo.png
5.0
(1)

(Reviews last updated: July 2026)

Exceptional
  • 7.2
    Low-light photography

    Score components:

    70.0%

    9.8

    Maximum aperture (telephoto end)

    30.0%

    1.0

    Optical image stabilization

  • 5.6
    Travel

    Score components:

    30.0%

    9.8

    Lens length

    25.0%

    8.7

    Lens diameter

    25.0%

    1.0

    Weather sealing (splashproof)

    20.0%

    1.0

    Optical image stabilization

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Best rankings

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Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The Sony E 20mm F2.8 is an ultra-slim pancake prime lens designed for APS-C format E-mount cameras, delivering a 30mm equivalent focal length, a maximum aperture of f/2.8, a 7-blade circular diaphragm, and an optical design featuring 6 elements in 6 groups with 3 aspherical elements to reduce distortion. Key advantages include its remarkably pocketable form factor measuring just 20.4mm in length and weighing a mere 69g, a minimum focusing distance of 0.2 meters, a 49mm filter thread, and a fast, silent rear-focusing autofocus mechanism ideal for street and travel photography. However, notable drawbacks include the absence of Optical SteadyShot image stabilization, some corner sharpness fall-off, and noticeable vignetting and barrel distortion when shooting wide open at f/2.8.

Technical Specifications of Sony E 20mm F2 8

Technical Score

What it is: An assessment of the camera lens's technical performance, covering eight key areas: sharpness, aperture flexibility, autofocus, stabilization, build quality, mount compatibility, close-focus performance, and design.

When it matters: When you want to compare camera lenses based on technical performance and available features.

Score components:

35.0%

8.0

Optics & Aperture

24.0%

7.3

Build & Handling

20.0%

5.6

Focus & Controls

10.0%

8.3

Lab Scores

8.0%

4.2

Stabilization

3.0%

1.0

Mount & Format

6.9
Sony E 20mm F2 8 has a technical score of 6.88 points, which is lower than 62.9% of camera lenses.
User score

What it is: A rating that combines user reviews and the total number of reviews received by the camera lens.

When it matters: When real-world owner satisfaction and review volume matter to your decision.

Score components:

70.0%

8.6

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.4
(299)
amazon
4.3
(185)
United States
Amazon_logo.png
4.3
(326)
Amazon_logo.png
4.5
(181)
Amazon_logo.png
5.0
(1)

(Reviews last updated: July 2026)

9.0
Sony E 20mm F2 8 has a user score of 9.02 points, which is higher than 70.1% of camera lenses.
Popularity
What it is: An indicator based on the number of reviews received by the camera lens.
When it matters: When you want to see which camera lenses attract the most buyer attention and review activity.
10
Sony E 20mm F2 8 has a popularity of 10 points, which is higher than 69.2% of products in this category.
Ratio quality/price

What it is: An indicator that combines the camera lens's overall rating with its cost.

When it matters: When you want to know how much overall quality you get for the price.

Score components:

60.0%

7.3

Overall score

40.0%

9.1

Price

7.8
Sony E 20mm F2 8 has a quality-to-price ratio of 7.8 points, which is higher than 79.1% of products in this category.
Lens type
What it is: The optical category that indicates whether the lens is a prime, zoom, macro, fisheye, or another design.
When it matters: When you are choosing between a prime, zoom, macro, or specialty lens for the kind of subjects you shoot.

Importance: LOW

prime
Lens mount
What it is: The mechanical and electronic interface that determines which cameras the lens can be attached to.
When it matters: When camera compatibility and access to the right lens ecosystem are central to your buying decision.

Importance: LOW

Sony E
Sensor format coverage
What it is: The largest sensor size the lens is designed to cover without severe vignetting.
When it matters: When you need the lens to fully cover your camera sensor without heavy corner darkening.

Importance: LOW

APS-C
Filter thread size
What it is: The diameter of the front filter thread used for screw-in filters and compatible accessories.
When it matters: When you plan to use screw-in filters such as polarizers, ND filters, or protective glass.

Importance: LOW

49 mm
Teleconverter compatibility
What it is: Whether the lens can be used with compatible teleconverters to extend focal length.
When it matters: When you want to extend reach for wildlife or sports without changing to a different long lens.

Importance: HIGH

no
Sony E 20mm F2 8 does not support teleconverters. 15.3% of camera lenses support teleconverters.
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Minimum focal length
What it is: The shortest focal length the lens can provide, which determines its widest framing.
When it matters: When wide framing matters for landscapes, interiors, architecture, or travel shots.

Importance: LOW

20 mm
Maximum focal length
What it is: The longest focal length the lens can reach, which determines its telephoto reach.
When it matters: When you need more reach for wildlife, sports, stage events, or distant details.

Importance: LOW

20 mm
Optical zoom
What it is: The ratio between the longest and shortest focal lengths available in the lens zoom range.
When it matters: When you want one lens to cover a broader range of compositions without swapping glass.

Importance: LOW

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Maximum angle of view
What it is: The widest scene the lens can capture at its shortest focal length.
When it matters: When you need to fit more of a room, skyline, or landscape into the frame.

Importance: LOW

70 °
Minimum angle of view
What it is: The narrowest scene the lens captures at its longest focal length.
When it matters: When you want tighter framing on faraway subjects without moving closer.

Importance: LOW

70 °
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Focus motor
What it is: The autofocus drive system responsible for moving lens elements into focus.
When it matters: When fast, quiet autofocus matters for video, wildlife, street shots, or moving subjects.

Importance: LOW

STM
Minimum focus distance
What it is: The shortest distance at which the lens can focus on a subject.
When it matters: When you like shooting details, food, flowers, or products from a very short distance.

Importance: MEDIUM

0.2 m
Sony E 20mm F2 8 focuses as close as 0.2 m, which is closer than 79.4% of camera lenses and equal to 7% of camera lenses.
Maximum reproduction ratio
What it is: The highest magnification the lens can achieve when focusing at its closest distance.
When it matters: When close-up magnification matters for macro work, textures, or small product details.

Importance: MEDIUM

0.12x
Sony E 20mm F2 8 reaches a reproduction ratio of 0.12x, which is lower than 81.3% of camera lenses and equal to 5.3% of camera lenses.
Full-time manual focus
What it is: The ability to adjust focus manually without leaving autofocus mode.
When it matters: When you want to fine-tune focus instantly without switching out of autofocus.

Importance: HIGH

yes
Sony E 20mm F2 8 supports full-time manual focus. 68.3% of camera lenses support full-time manual focus.
Override via DMF mode.
Internal focusing
What it is: A focusing design in which internal elements move while the outer barrel length stays unchanged.
When it matters: When you use polarizers, gimbals, or close-up setups that benefit from a lens that does not extend while focusing.

Importance: HIGH

yes
Sony E 20mm F2 8 supports internal focusing. 83.6% of camera lenses support internal focusing.
Rear-focusing design.
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Optical image stabilization
What it is: A hardware system that shifts optical elements to counteract camera shake and reduce blur.
When it matters: When you want steadier handheld shots and less blur, especially in low light or at longer focal lengths.

Importance: HIGH

no
Sony E 20mm F2 8 does not support optical image stabilization. 29% of camera lenses include optical image stabilization.
Stabilization effectiveness (CIPA stops)
What it is: The rated stabilizer benefit, measured in stops, under CIPA testing standards.
When it matters: When you are comparing stabilized lenses and want to know how much handheld shutter-speed advantage they offer.

Importance: HIGH

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Weight
What it is: The total mass of the lens, affecting portability and handling balance on the camera body.
When it matters: When you carry a lens all day for travel, hiking, or event coverage and want to keep your kit manageable.

Importance: HIGH

68.2 g
Sony E 20mm F2 8 weighs 68.2 g, which is lighter than 99.8% of camera lenses.
Lens length
What it is: The physical length of the lens body from mount to front edge.
When it matters: When bag space, balance, or front clearance matters in a compact travel or video setup.

Importance: HIGH

20.4 mm
Sony E 20mm F2 8 is 20.4 mm long, which is shorter than 99.5% of camera lenses.
Lens diameter
What it is: The widest outer diameter of the lens barrel.
When it matters: When grip comfort, filter size, or fit inside a tight camera bag matters to you.

Importance: MEDIUM

62.6 mm
Sony E 20mm F2 8 has a diameter of 62.6 mm, which is slimmer than 89.6% of camera lenses and equal to that of 0.3% of camera lenses.
Weather sealing (splashproof)
What it is: Protective sealing intended to resist splashes, dust, and light environmental exposure.
When it matters: When you often shoot outdoors in light rain, dust, or changing conditions.

Importance: HIGH

no
Sony E 20mm F2 8 does not support weather sealing. 50.3% of camera lenses support weather sealing.
Metal mount
What it is: A lens mount made of metal rather than plastic for greater durability at the camera connection point.
When it matters: When durability matters because you change lenses often or use heavier gear for work.

Importance: HIGH

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DxOMark overall score
What it is: The combined DxOMark lens rating based on lab-tested optical performance.
When it matters: When you want a quick lab-based summary of overall optical performance before comparing lenses in detail.

Importance: HIGH

?
DxOMark sharpness score
What it is: The DxOMark subscore that reflects how much detail the lens can resolve across the frame.
When it matters: When fine detail matters for landscapes, product work, or high-resolution cameras.

Importance: HIGH

?
DxOMark transmission
What it is: The measured light transmission of the lens, expressed as T-stop rather than nominal f-number.
When it matters: When real light loss matters for exposure consistency in studio, cinema, or mixed-lens shoots.

Importance: MEDIUM

2.9 T-stop
Sony E 20mm F2 8 has a DxOMark transmission of 2.9 T-stop, which is lower than that of 55.1% of camera lenses and equal to that of 2.1% of camera lenses.
DxOMark distortion
What it is: The DxOMark metric that measures how much the lens bends straight lines away from their true shape.
When it matters: When straight lines matter in architecture, interiors, copy work, or product photography.

Importance: MEDIUM

?
DxOMark vignetting
What it is: The DxOMark measurement of corner darkening relative to the center of the image.
When it matters: When even corner brightness matters for skies, studio backdrops, or clean product shots.

Importance: MEDIUM

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Sony E 20mm F2 8 vs the average camera lens

  • 457.2 g lighter
    Sony E 20mm F2 8 is lighter than the average camera lens (68.2 g vs 525.4 g). The average lens weighs 525.4 g.
    What it is: The total mass of the lens, affecting portability and handling balance on the camera body.
    When it matters: When you carry a lens all day for travel, hiking, or event coverage and want to keep your kit manageable.

    Importance: HIGH

    Sony E 20mm F2 8 is lighter than the average camera lens (68.2 g vs 525.4 g). The average lens weighs 525.4 g.68.2 g vs 525.4 g
  • 71.6 mm shorter lens
    Sony E 20mm F2 8 is shorter than the average camera lens (20.4 mm vs 92 mm). The average lens has a length of 92 mm.
    What it is: The physical length of the lens body from mount to front edge.
    When it matters: When bag space, balance, or front clearance matters in a compact travel or video setup.

    Importance: HIGH

    Sony E 20mm F2 8 is shorter than the average camera lens (20.4 mm vs 92 mm). The average lens has a length of 92 mm.20.4 mm vs 92 mm
  • 14.4 mm narrower lens barrel
    Sony E 20mm F2 8 is slimmer than the average camera lens (62.6 mm vs 77 mm). The average lens has a diameter of 77 mm.
    What it is: The widest outer diameter of the lens barrel.
    When it matters: When grip comfort, filter size, or fit inside a tight camera bag matters to you.

    Importance: MEDIUM

    Sony E 20mm F2 8 is slimmer than the average camera lens (62.6 mm vs 77 mm). The average lens has a diameter of 77 mm.62.6 mm vs 77 mm
  • 0.1 m shorter minimum focus distance
    Sony E 20mm F2 8 has a lower minimum focus distance than the average camera lens (0.2 m vs 0.3 m). The average lens has a minimum focus distance of 0.3 m.
    What it is: The shortest distance at which the lens can focus on a subject.
    When it matters: When you like shooting details, food, flowers, or products from a very short distance.

    Importance: MEDIUM

    Sony E 20mm F2 8 has a lower minimum focus distance than the average camera lens (0.2 m vs 0.3 m). The average lens has a minimum focus distance of 0.3 m.0.2 m vs 0.3 m
  • 1 more aspherical elements
    Sony E 20mm F2 8 has more aspherical elements than the average camera lens (3 vs 2). The average lens has 2 aspherical elements.
    What it is: Specially shaped lens elements used to reduce distortion and improve sharpness with fewer optical compromises.
    When it matters: When edge sharpness and lower distortion matter in wide-angle, travel, or everyday shooting.

    Importance: MEDIUM

    Sony E 20mm F2 8 has more aspherical elements than the average camera lens (3 vs 2). The average lens has 2 aspherical elements.3 vs 2
  • 96.3% cheaper
    Sony E 20mm F2 8 is cheaper than the average camera lens (£270 vs £530).
    Sony E 20mm F2 8 is cheaper than the average camera lens (£270 vs £530).£270 vs £530
  • 6.8% better value for money
    Sony E 20mm F2 8 has a better value-for-money score than the average camera lens (7.84 vs 7.346).
    What it is: An indicator that combines the camera lens's overall rating with its cost.
    When it matters: When you want to know how much overall quality you get for the price.
    Sony E 20mm F2 8 has a better value-for-money score than the average camera lens (7.84 vs 7.346).7.84 vs 7.35
  • 1 more aspherical elements
    Sony E 20mm F2 8 has more aspherical elements than the average camera lens (3 vs 2). The average lens has 2 aspherical elements.
  • 0.1 m shorter minimum focus distance
    Sony E 20mm F2 8 has a lower minimum focus distance than the average camera lens (0.2 m vs 0.3 m). The average lens has a minimum focus distance of 0.3 m.
  • 457.2 g lighter
    Sony E 20mm F2 8 is lighter than the average camera lens (68.2 g vs 525.4 g). The average lens weighs 525.4 g.
  • 71.6 mm shorter lens
    Sony E 20mm F2 8 is shorter than the average camera lens (20.4 mm vs 92 mm). The average lens has a length of 92 mm.
  • 14.4 mm narrower lens barrel
    Sony E 20mm F2 8 is slimmer than the average camera lens (62.6 mm vs 77 mm). The average lens has a diameter of 77 mm.
  • 2 fewer aperture blades
    Sony E 20mm F2 8 has fewer aperture blades than the average camera lens (7 vs 9). The average lens has 9 aperture blades.
  • 2 fewer low-dispersion elements
    Sony E 20mm F2 8 has fewer low-dispersion elements than the average camera lens (0 vs 2). The average lens has 2 low-dispersion elements.
  • 0.07 x lower maximum reproduction ratio
    Sony E 20mm F2 8 has a lower maximum reproduction ratio than the average camera lens (0.1x vs 0.192x). The average lens has a maximum reproduction ratio of 0.192x.
  • Not weather-sealed
    Sony E 20mm F2 8 does not support weather sealing, the average camera lens does. 50.3% of camera lenses support weather sealing.
  • 3.5 µm higher chromatic aberration
    Sony E 20mm F2 8 has a higher chromatic aberration than the average camera lens (12 µm vs 8.5 µm). The average lens has chromatic aberration of 8.5 µm.
  • Not weather-sealed
    Sony E 20mm F2 8 does not support weather sealing, the average camera lens does. 50.3% of camera lenses support weather sealing.
    What it is: Protective sealing intended to resist splashes, dust, and light environmental exposure.
    When it matters: When you often shoot outdoors in light rain, dust, or changing conditions.

    Importance: HIGH

    Sony E 20mm F2 8 does not support weather sealing, the average camera lens does. 50.3% of camera lenses support weather sealing.
  • 2 fewer aperture blades
    Sony E 20mm F2 8 has fewer aperture blades than the average camera lens (7 vs 9). The average lens has 9 aperture blades.
    What it is: The number of diaphragm blades that shape the aperture opening and influence blur rendering.
    When it matters: When the look of out-of-focus highlights matters in portraits, close-ups, or cinematic video.

    Importance: HIGH

    Sony E 20mm F2 8 has fewer aperture blades than the average camera lens (7 vs 9). The average lens has 9 aperture blades.7 vs 9
  • 3.5 µm higher chromatic aberration
    Sony E 20mm F2 8 has a higher chromatic aberration than the average camera lens (12 µm vs 8.5 µm). The average lens has chromatic aberration of 8.5 µm.
    What it is: The DxOMark metric that quantifies unwanted color fringing caused by different wavelengths focusing unevenly.
    When it matters: When you want to avoid color fringing on high-contrast edges in backlit scenes or detailed subjects.

    Importance: MEDIUM

    Sony E 20mm F2 8 has a higher chromatic aberration than the average camera lens (12 µm vs 8.5 µm). The average lens has chromatic aberration of 8.5 µm.12 µm vs 8.5 µm
  • 2 fewer low-dispersion elements
    Sony E 20mm F2 8 has fewer low-dispersion elements than the average camera lens (0 vs 2). The average lens has 2 low-dispersion elements.
    What it is: Optical elements designed to reduce color fringing by controlling how different wavelengths focus.
    When it matters: When you want cleaner edges and less color fringing in high-contrast scenes.

    Importance: MEDIUM

    Sony E 20mm F2 8 has fewer low-dispersion elements than the average camera lens (0 vs 2). The average lens has 2 low-dispersion elements.0 vs 2
  • 0.07 x lower maximum reproduction ratio
    Sony E 20mm F2 8 has a lower maximum reproduction ratio than the average camera lens (0.1x vs 0.192x). The average lens has a maximum reproduction ratio of 0.192x.
    What it is: The highest magnification the lens can achieve when focusing at its closest distance.
    When it matters: When close-up magnification matters for macro work, textures, or small product details.

    Importance: MEDIUM

    Sony E 20mm F2 8 has a lower maximum reproduction ratio than the average camera lens (0.1x vs 0.192x). The average lens has a maximum reproduction ratio of 0.192x.0.12 x vs 0.192 x

Graphic comparison of Sony E 20mm F2 8 and

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Third-party reviews

(Reviews last updated: July 2026)

What customers like about Sony E 20mm F2 8?

  • Ultra-compact 'pancake' design and extremely lightweight (approx. 69g), making it ideal for travel and street photography
  • Fast, quiet, and accurate autofocus performance suitable for both stills and video
  • Sharp center image quality even when wide open at f/2.8
  • Punchy color rendition and good contrast
  • Durable aluminum alloy construction
  • Versatile 30mm equivalent focal length (on APS-C) for general snapshots and architecture

What customers dislike about Sony E 20mm F2 8?

  • Noticeable sharpness fall-off and softness in extreme corners
  • Lack of optical image stabilization (OSS), requiring reliance on in-body stabilization (IBIS)
  • Visible barrel distortion and vignetting at wider apertures
  • Lacks weather sealing (dust and splash protection)
  • Performance is considered only a marginal improvement over some standard kit zoom lenses
  • No physical aperture ring or depth-of-field scales

Expert reviews

K
kenrockwell.com
No date provided
Summary of the review
E
ephotozine.com
19/04/2013
Summary of the review
S
sonyalphalab.com
15/06/2013
Summary of the review
P
pcmag.com
31/07/2019
Summary of the review
D
dxomark.com
24/05/2013
Summary of the review
W
whatdigitalcamera.com
25/02/2013
Summary of the review
P
photoinfos.com
01/04/2017
Summary of the review
Z
zielfoto.com
01/09/2022
Summary of the review
D
digitalkamera.de
16/05/2014
Summary of the review
S
sony.be
07/02/2020
Summary of the review
D
dxomark.fr
24/05/2013
Summary of the review
D
digitalcamaralens.com
27/07/2026
Summary of the review
S
sony.be
14/08/2016
Summary of the review

Video reviews

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