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Full Frame Camera Lens AF-S Nikkor 20mm f/1.8G ED Wide Angle for F Mount Black
Camera Lenses

Full Frame Camera Lens AF-S Nikkor 20mm f/1.8G ED Wide Angle for F Mount Black

Key features:

  • 20mm f/1.8 focal length
  • For full-frame Nikon F mount
  • 2 ED and 2 aspherical elements
  • Nano Crystal Coat
  • Minimum focusing distance of just 0.2m
  • Lightweight body weighing just 355g
See full description

Top specs

  • Type

    Wide Angle

    Wide-angle lenses with optics that allow for fitting many elements within the frame with relatively little distortion. Their focal distance is usually 24-35mm for full-frame, 15-25mm for crop frame, and 50-70mm for medium format. They are commonly used in street photography but also in indoor spaces where there is limited distance from the subject. The perspective of wide-angle lenses makes things appear farther apart than they actually are.

  • Mount

    The type of mount that the camera body must have in order for the lens to be fully functional when attached to it.

    2. Some lenses can be used with older mounts from the same manufacturer, sacrificing certain functions (e.g. autofocus), or even with mounts from other manufacturers using an adapter.

  • Item

    Lenses with variable optical (zoom) that remain equally bright (same maximum aperture value) throughout the entire focal distance range they offer. Usually significantly more expensive than their variable aperture counterparts.

    Fixed Focal Length

    Lenses with fixed optics are usually of higher quality than a corresponding zoom lens at the same focal distance. They are also called "fixed" or "prime" lenses.

  • Sensor Type

    Full Frame

    Photographic lenses designed for use on full frame sensor cameras. A full frame lens can also be used on a crop frame sensor camera, but with its focal length adjusted according to the corresponding crop factor.

    For example, a full frame lens with a focal length of 50mm (standard) on a camera body with a crop factor of 1.6 will function with a perspective as if it were an 80mm lens (telephoto).

    The reverse does not work as the optics of a crop frame lens are not sufficient to cover an entire full frame sensor, resulting in the edges of the frame being black (severe vignetting).

  • Maximum Aperture (f)

    Opening the diaphragm determines the amount of light received by the camera and affects the depth of field.
    2. The most open aperture of a lens is called the maximum. The more open the aperture (smaller f-number), the shallower the depth of field.
  • Usage Portrait Photography
  • See all

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Product report

Description

Description

The AF-S NIKKOR 20mm f/1.8G ED is an exceptionally fast ultra-wide-angle prime lens for Nikon F-mount FX-format cameras. It combines an impressive field of view with a bright maximum aperture of f/1.8, delivering dynamic perspective and excellent low-light control. It’s an ideal choice for interiors, expansive landscapes, street reportage, and cinematic video footage. It features an advanced Nano Crystal Coat and specialized optical elements that deliver outstanding sharpness, even with high-megapixel sensors. Its compact design, weighing just 355 grams, ensures excellent portability on every demanding photographic assignment.

Ultra-Wide 20mm Field of View and 94° Angle

The ultra-wide 20 mm focal length offers an expansive 94° angle of view on FX-format cameras.
On cameras with a DX-format sensor, it provides a 30 mm equivalent field of view with a 70° angle of view.
It enables the creation of immersive images with exaggerated perspective and a striking sense of space.
It is ideal for shooting in confined interiors, outdoor reportage, and vast landscapes.
It also performs effortlessly in underwater photography and striking cinematic shots.
It offers exceptional compositional freedom, filling the frame with dynamic foreground elements and depth.

Bright f/1.8 Aperture and 7-Blade Circular Bokeh

The bright maximum aperture of f/1.8 offers exceptional flexibility in low-light conditions.
It allows the use of faster shutter speeds, helping prevent camera shake.
It ensures a bright, sharp image in the optical viewfinder for comfortable viewing and framing.
It enables distinctive compositions with a shallow, controlled depth of field.
The aperture features 7 blades with a rounded aperture opening for a consistent result.
It produces an especially soft, smooth blurred background (bokeh) that harmoniously separates the subject.

Optical Construction with ED Elements and Aspherical Lenses

The optical design consists of 13 elements arranged in 11 groups for high precision.
It incorporates two extra-low dispersion (ED) glass elements for maximum clarity.
It also includes two aspherical lens elements for excellent distortion control.
It effectively minimizes most types of aberration and chromatic dispersion.
It is specially designed to deliver outstanding performance with modern high-megapixel sensors.
It ensures high resolution and contrast, rendering light sources with minimal haloing.

Nano Crystal Coat and Minimum Focusing Distance of 0.2 m

The optical elements feature the innovative Nano Crystal Coat.
This coating significantly reduces ghosting and internal reflections.
It dramatically minimizes flare, even in strong backlit conditions.
It stands out for its exceptionally short minimum focus distance of just 0.2 m (0.66 ft).
It allows photographers to get extremely close to the subject and fill the frame.
It combines dynamic close-ups with a wide background, delivering crystal-clear image quality.

Lightweight 355g Body, 77mm Filter, and Complete Accessory Set

The lens stands out for its exceptionally compact and lightweight design, making it easy to carry.
Weighing approximately just 355 g (12.6 oz), it offers practical portability wherever you go.
The front section features a 77 mm filter attachment thread (P = 0.75 mm).
It allows the direct use of popular polarizing and protective filters.
The package includes an HB-72 bayonet hood and a CL-1015 flexible lens pouch.
It also comes with a 77 mm LC-77 snap-on front lens cap and an LF-4 rear lens cap.

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Dimensions

Type
Wide Angle

Type

Wide Angle
Wide-angle lenses with optics that allow for fitting many elements within the frame with relatively little distortion. Their focal distance is usually 24-35mm for full-frame, 15-25mm for crop frame, and 50-70mm for medium format. They are commonly used in street photography but also in indoor spaces where there is limited distance from the subject. The perspective of wide-angle lenses makes things appear farther apart than they actually are.
Lens Type
Fixed Focal Length

Lens Type

Lenses with variable optical (zoom) that remain equally bright (same maximum aperture value) throughout the entire focal distance range they offer. Usually significantly more expensive than their variable aperture counterparts.

Fixed Focal Length
Lenses with fixed optics are usually of higher quality than a corresponding zoom lens at the same focal distance. They are also called "fixed" or "prime" lenses.
Sensor Type
Full Frame

Sensor Type

Full Frame

Photographic lenses designed for use on full frame sensor cameras. A full frame lens can also be used on a crop frame sensor camera, but with its focal length adjusted according to the corresponding crop factor.

For example, a full frame lens with a focal length of 50mm (standard) on a camera body with a crop factor of 1.6 will function with a perspective as if it were an 80mm lens (telephoto).

The reverse does not work as the optics of a crop frame lens are not sufficient to cover an entire full frame sensor, resulting in the edges of the frame being black (severe vignetting).
Maximum Aperture (f)
1.8

Maximum Aperture (f)

Opening the diaphragm determines the amount of light received by the camera and affects the depth of field.
2. The most open aperture of a lens is called the maximum. The more open the aperture (smaller f-number), the shallower the depth of field.
Minimum Aperture (f)
16

Minimum Aperture (f)

Opening the diaphragm determines the amount of light received by the camera and affects the depth of field.

2. The smallest diameter of the diaphragm is the minimum value. The more closed the diaphragm (larger f-number), the greater the depth of field.
Filter Diameter
77 mm

Filter Diameter

The diameter that a filter must have to be applied on the lens without the use of an adapter.
Focal Length
20 mm

Focal Length

It is the distance that the light rays need to travel to reach the focal point, that is, the lens sensor.
The smaller the focal distance, the larger the angle of view for the photograph and therefore the lens can capture more of what is in front of us.
Weight
355 gr
Mount
Nikon F

Mount

The type of mount that the camera body must have in order for the lens to be fully functional when attached to it.

2. Some lenses can be used with older mounts from the same manufacturer, sacrificing certain functions (e.g. autofocus), or even with mounts from other manufacturers using an adapter.
Colour
Black

Features & Functions

Image Stabilization
No

Image Stabilization

The lens features image stabilization function for clearer photos and videos when shooting handheld, especially in low light conditions.
Autofocus (AF)
Yes

Autofocus (AF)

The lens has an automatic focusing function. Particularly useful for photographing subjects in motion (e.g. children playing).
3D
No

3D

Lenses for creating stereoscopic images.

Usage

Device Group
Portrait Photography

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Reviews (4)

Reviews

5.0
4
5.0
Review this product
  1. 4
  2. 4 stars
    0
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1 star
    0
Review this product
  • Quiet
  • Weight
  • Autofocus (AF) speed
  • Color representation
  • Acidity
  • Value for money
  • Construction quality
  • ioanrapt
    5
    3 out of 3 members found this review helpful
    ioanrapt

    The lens is a razor if you like landscapes and don't want distortions, it's truly a gem! Its sharpness is indescribable, the best lens I have. Also, you can focus from very close, its construction is not metallic but satisfactory, you won't throw it on the floor. 10/10

    Translated from Greek ·
    • Quiet
    • Weight
    • Autofocus (AF) speed
    • Color representation
    • Acidity
    • Value for money
    • Construction quality
    Did you find this review helpful?
  • 5
    1 out of 1 members found this review helpful
    Angelos_Konstantinidis

    Verified purchase

    Excellent lens! From architecture to portraits! Razor-sharp!

    Translated from Greek ·
    • Quiet
    • Weight
    • Autofocus (AF) speed
    • Color representation
    • Acidity
    • Value for money
    • Construction quality
    Did you find this review helpful?
  • 5
    5 out of 5 members found this review helpful
    Panos_Papadopoulos62

    One of the best lenses for astrophotography, I am 100% satisfied!!!

    Translated from Greek ·
    • Quiet
    • Weight
    • Autofocus (AF) speed
    • Color representation
    • Acidity
    • Value for money
    • Construction quality
    Did you find this review helpful?
  • 5
    gkpapad

    • Quiet
    • Weight
    • Construction quality
    • Autofocus (AF) speed
    • Color representation
    • Acidity
    • Value for money
  • ioanrapt
    5
    ioanrapt

    The lens is a razor if you like landscapes and don't want distortions, it's truly a gem! Its sharpness is indescribable, the best lens I have. Also, you can focus from very close, its construction is not metallic but satisfactory, you won't throw it on the floor. 10/10

    Translated from Greek ·
    3
  • 5
    Angelos_Konstantinidis

    Excellent lens! From architecture to portraits! Razor-sharp!

    Translated from Greek ·
    1
  • 5
    Panos_Papadopoulos62

    One of the best lenses for astrophotography, I am 100% satisfied!!!

    Translated from Greek ·
    5
  • 5
    gkpapad

    0
  • See all

Description & Specifications

The AF-S NIKKOR 20mm f/1.8G ED is an exceptionally fast ultra-wide-angle prime lens for Nikon F-mount FX-format cameras. It combines an impressive field of view with a bright maximum aperture of f/1.8, delivering dynamic perspective and excellent low-light control. It’s an ideal choice for interiors, expansive landscapes, street reportage, and cinematic video footage. It features an advanced Nano Crystal Coat and specialized optical elements that deliver outstanding sharpness, even with high-megapixel sensors. Its compact design, weighing just 355 grams, ensures excellent portability on every demanding photographic assignment.

Ultra-Wide 20mm Field of View and 94° Angle

The ultra-wide 20 mm focal length offers an expansive 94° angle of view on FX-format cameras.
On cameras with a DX-format sensor, it provides a 30 mm equivalent field of view with a 70° angle of view.
It enables the creation of immersive images with exaggerated perspective and a striking sense of space.
It is ideal for shooting in confined interiors, outdoor reportage, and vast landscapes.
It also performs effortlessly in underwater photography and striking cinematic shots.
It offers exceptional compositional freedom, filling the frame with dynamic foreground elements and depth.

Bright f/1.8 Aperture and 7-Blade Circular Bokeh

The bright maximum aperture of f/1.8 offers exceptional flexibility in low-light conditions.
It allows the use of faster shutter speeds, helping prevent camera shake.
It ensures a bright, sharp image in the optical viewfinder for comfortable viewing and framing.
It enables distinctive compositions with a shallow, controlled depth of field.
The aperture features 7 blades with a rounded aperture opening for a consistent result.
It produces an especially soft, smooth blurred background (bokeh) that harmoniously separates the subject.

Optical Construction with ED Elements and Aspherical Lenses

The optical design consists of 13 elements arranged in 11 groups for high precision.
It incorporates two extra-low dispersion (ED) glass elements for maximum clarity.
It also includes two aspherical lens elements for excellent distortion control.
It effectively minimizes most types of aberration and chromatic dispersion.
It is specially designed to deliver outstanding performance with modern high-megapixel sensors.
It ensures high resolution and contrast, rendering light sources with minimal haloing.

Nano Crystal Coat and Minimum Focusing Distance of 0.2 m

The optical elements feature the innovative Nano Crystal Coat.
This coating significantly reduces ghosting and internal reflections.
It dramatically minimizes flare, even in strong backlit conditions.
It stands out for its exceptionally short minimum focus distance of just 0.2 m (0.66 ft).
It allows photographers to get extremely close to the subject and fill the frame.
It combines dynamic close-ups with a wide background, delivering crystal-clear image quality.

Lightweight 355g Body, 77mm Filter, and Complete Accessory Set

The lens stands out for its exceptionally compact and lightweight design, making it easy to carry.
Weighing approximately just 355 g (12.6 oz), it offers practical portability wherever you go.
The front section features a 77 mm filter attachment thread (P = 0.75 mm).
It allows the direct use of popular polarizing and protective filters.
The package includes an HB-72 bayonet hood and a CL-1015 flexible lens pouch.
It also comes with a 77 mm LC-77 snap-on front lens cap and an LF-4 rear lens cap.

Manufacturer

Manufacturer Details

Warnings & Safety Information

Dimensions

Type
Wide Angle

Type

Wide Angle
Wide-angle lenses with optics that allow for fitting many elements within the frame with relatively little distortion. Their focal distance is usually 24-35mm for full-frame, 15-25mm for crop frame, and 50-70mm for medium format. They are commonly used in street photography but also in indoor spaces where there is limited distance from the subject. The perspective of wide-angle lenses makes things appear farther apart than they actually are.
Lens Type
Fixed Focal Length

Lens Type

Lenses with variable optical (zoom) that remain equally bright (same maximum aperture value) throughout the entire focal distance range they offer. Usually significantly more expensive than their variable aperture counterparts.

Fixed Focal Length
Lenses with fixed optics are usually of higher quality than a corresponding zoom lens at the same focal distance. They are also called "fixed" or "prime" lenses.
Sensor Type
Full Frame

Sensor Type

Full Frame

Photographic lenses designed for use on full frame sensor cameras. A full frame lens can also be used on a crop frame sensor camera, but with its focal length adjusted according to the corresponding crop factor.

For example, a full frame lens with a focal length of 50mm (standard) on a camera body with a crop factor of 1.6 will function with a perspective as if it were an 80mm lens (telephoto).

The reverse does not work as the optics of a crop frame lens are not sufficient to cover an entire full frame sensor, resulting in the edges of the frame being black (severe vignetting).
Maximum Aperture (f)
1.8

Maximum Aperture (f)

Opening the diaphragm determines the amount of light received by the camera and affects the depth of field.
2. The most open aperture of a lens is called the maximum. The more open the aperture (smaller f-number), the shallower the depth of field.
Minimum Aperture (f)
16

Minimum Aperture (f)

Opening the diaphragm determines the amount of light received by the camera and affects the depth of field.

2. The smallest diameter of the diaphragm is the minimum value. The more closed the diaphragm (larger f-number), the greater the depth of field.
Filter Diameter
77 mm

Filter Diameter

The diameter that a filter must have to be applied on the lens without the use of an adapter.
Focal Length
20 mm

Focal Length

It is the distance that the light rays need to travel to reach the focal point, that is, the lens sensor.
The smaller the focal distance, the larger the angle of view for the photograph and therefore the lens can capture more of what is in front of us.
Weight
355 gr
Mount
Nikon F

Mount

The type of mount that the camera body must have in order for the lens to be fully functional when attached to it.

2. Some lenses can be used with older mounts from the same manufacturer, sacrificing certain functions (e.g. autofocus), or even with mounts from other manufacturers using an adapter.
Colour
Black

Features & Functions

Image Stabilization
No

Image Stabilization

The lens features image stabilization function for clearer photos and videos when shooting handheld, especially in low light conditions.
Autofocus (AF)
Yes

Autofocus (AF)

The lens has an automatic focusing function. Particularly useful for photographing subjects in motion (e.g. children playing).
3D
No

3D

Lenses for creating stereoscopic images.

Usage

Device Group
Portrait Photography

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews (4)

5.0
4
5.0
Review this product
  1. 4
  2. 4 stars
    0
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1 star
    0
Review this product
  • Quiet
  • Weight
  • Autofocus (AF) speed
  • Color representation
  • Acidity
  • Value for money
  • Construction quality
  • ioanrapt
    5
    3 out of 3 members found this review helpful
    ioanrapt

    The lens is a razor if you like landscapes and don't want distortions, it's truly a gem! Its sharpness is indescribable, the best lens I have. Also, you can focus from very close, its construction is not metallic but satisfactory, you won't throw it on the floor. 10/10

    Translated from Greek ·
    • Quiet
    • Weight
    • Autofocus (AF) speed
    • Color representation
    • Acidity
    • Value for money
    • Construction quality
    Did you find this review helpful?
  • 5
    1 out of 1 members found this review helpful
    Angelos_Konstantinidis

    Verified purchase

    Excellent lens! From architecture to portraits! Razor-sharp!

    Translated from Greek ·
    • Quiet
    • Weight
    • Autofocus (AF) speed
    • Color representation
    • Acidity
    • Value for money
    • Construction quality
    Did you find this review helpful?
  • 5
    5 out of 5 members found this review helpful
    Panos_Papadopoulos62

    One of the best lenses for astrophotography, I am 100% satisfied!!!

    Translated from Greek ·
    • Quiet
    • Weight
    • Autofocus (AF) speed
    • Color representation
    • Acidity
    • Value for money
    • Construction quality
    Did you find this review helpful?
  • 5
    gkpapad

    • Quiet
    • Weight
    • Construction quality
    • Autofocus (AF) speed
    • Color representation
    • Acidity
    • Value for money
  • ioanrapt
    5
    ioanrapt

    The lens is a razor if you like landscapes and don't want distortions, it's truly a gem! Its sharpness is indescribable, the best lens I have. Also, you can focus from very close, its construction is not metallic but satisfactory, you won't throw it on the floor. 10/10

    Translated from Greek ·
    3
  • 5
    Angelos_Konstantinidis

    Excellent lens! From architecture to portraits! Razor-sharp!

    Translated from Greek ·
    1
  • 5
    Panos_Papadopoulos62

    One of the best lenses for astrophotography, I am 100% satisfied!!!

    Translated from Greek ·
    5
  • 5
    gkpapad

    0
  • See all
889,00 €
14,00 €   shipping cost
Nikon