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Full Frame Camera Lens Firefly 11mm f/4.0 Wide Angle for Nikon F Mount Black
Camera Lenses

Full Frame Camera Lens Firefly 11mm f/4.0 Wide Angle for Nikon F Mount Black

Key features:

  • 11mm f/4.0 focal length
  • 126-degree ultra-wide angle of view
  • 16-element optical design
  • Minimal distortion of 3.13%
  • Focus Lock
  • Rear gel filter holder
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.
  • See all

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Description

Description

The Irix 11mm f/4.0 Firefly is a specialized ultra-wide-angle prime lens for Nikon F full-frame cameras. It offers an impressively wide field of view, ideal for capturing dramatic landscapes, architecture, and starry skies. Its advanced optical design ensures outstanding edge-to-edge sharpness while significantly reducing geometric distortion. Its lightweight composite construction is paired with full sealing against harsh weather, dust, and moisture. It also features innovative focusing aids and electronic communication with the camera body for comfortable operation.

126° Ultra-Wide Angle and High-Definition Optics

The lens offers a spectacular 126-degree field of view on Full-Frame (35mm) sensors.
This allows a vast scene to fit into a single frame without cropping.
The optical design consists of 16 elements arranged in 10 groups.
It includes 4 high-refractive-index elements, 2 ED elements and 3 aspherical elements.
This advanced design keeps geometric distortion to an impressive 3.13%.
At the same time, it virtually eliminates vignetting, delivering uniform brightness and outstanding sharpness.

Minimum Focusing Distance of 28 cm and Internal Mechanism

The minimum focusing distance is just 28 centimeters from the subject.
The optical aperture of f/4.0 features 9 rounded blades for smooth rendering of out-of-focus areas.
This combination creates soft, pleasing bokeh with a strong sense of perspective and depth.
Focusing is performed via an internal focusing mechanism.
This keeps the lens’s overall length completely constant during use.
This design protects the internal components and maintains excellent balance in the hand or on a tripod.

Lightweight Version Firefly and Full Waterproofing

The Firefly version stands out for its lightweight composite construction, making it easy to carry.
It features a textured rubber ring that provides an excellent grip and precise manual focusing.
Circular rubber sealing rings (O-rings) are fitted inside.
This protection effectively shields the optics from moisture, dust and sand.
It allows the equipment to be used safely in extreme weather conditions, from deserts to icy environments.
The package includes a practical soft pouch for protection when on the move.

Electronic Aperture Control and Focus Confirmation

The lens is equipped with an electronic unit that allows you to control the aperture directly from the camera.
This makes the semi-automatic PASM exposure modes fully functional.
It also automatically records all essential shooting information in EXIF format.
It features a focus confirmation system with an optical indicator in the viewfinder and an audible alert.
In addition, it supports ready-made correction profiles for instant recognition in software such as Adobe Lightroom and Photoshop.
This ensures a fast workflow and automatic optimization of the final images.

Infinity Click, Focus Lock, and Rear Gel Holder Functions

The lens features Infinity Click, which provides a distinct click when infinity is reached.
This feature greatly simplifies night photography and astrophotography.
The dedicated Focus Lock mechanism locks the focus ring in the desired position, preventing accidental movement.
A Rear Gel Filter Slot is available at the back for using neutral density filters.
Additionally, the Focus Calibration Window allows you to fine-tune focus at home in just 5 minutes.
These specialized tools offer professional flexibility and unmatched control for demanding photo shoots.

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)
16

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
-

Filter Diameter

The diameter that a filter must have to be applied on the lens without the use of an adapter.
Focal Length
11 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
730 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)
No

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
-

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

Description & Specifications

The Irix 11mm f/4.0 Firefly is a specialized ultra-wide-angle prime lens for Nikon F full-frame cameras. It offers an impressively wide field of view, ideal for capturing dramatic landscapes, architecture, and starry skies. Its advanced optical design ensures outstanding edge-to-edge sharpness while significantly reducing geometric distortion. Its lightweight composite construction is paired with full sealing against harsh weather, dust, and moisture. It also features innovative focusing aids and electronic communication with the camera body for comfortable operation.

126° Ultra-Wide Angle and High-Definition Optics

The lens offers a spectacular 126-degree field of view on Full-Frame (35mm) sensors.
This allows a vast scene to fit into a single frame without cropping.
The optical design consists of 16 elements arranged in 10 groups.
It includes 4 high-refractive-index elements, 2 ED elements and 3 aspherical elements.
This advanced design keeps geometric distortion to an impressive 3.13%.
At the same time, it virtually eliminates vignetting, delivering uniform brightness and outstanding sharpness.

Minimum Focusing Distance of 28 cm and Internal Mechanism

The minimum focusing distance is just 28 centimeters from the subject.
The optical aperture of f/4.0 features 9 rounded blades for smooth rendering of out-of-focus areas.
This combination creates soft, pleasing bokeh with a strong sense of perspective and depth.
Focusing is performed via an internal focusing mechanism.
This keeps the lens’s overall length completely constant during use.
This design protects the internal components and maintains excellent balance in the hand or on a tripod.

Lightweight Version Firefly and Full Waterproofing

The Firefly version stands out for its lightweight composite construction, making it easy to carry.
It features a textured rubber ring that provides an excellent grip and precise manual focusing.
Circular rubber sealing rings (O-rings) are fitted inside.
This protection effectively shields the optics from moisture, dust and sand.
It allows the equipment to be used safely in extreme weather conditions, from deserts to icy environments.
The package includes a practical soft pouch for protection when on the move.

Electronic Aperture Control and Focus Confirmation

The lens is equipped with an electronic unit that allows you to control the aperture directly from the camera.
This makes the semi-automatic PASM exposure modes fully functional.
It also automatically records all essential shooting information in EXIF format.
It features a focus confirmation system with an optical indicator in the viewfinder and an audible alert.
In addition, it supports ready-made correction profiles for instant recognition in software such as Adobe Lightroom and Photoshop.
This ensures a fast workflow and automatic optimization of the final images.

Infinity Click, Focus Lock, and Rear Gel Holder Functions

The lens features Infinity Click, which provides a distinct click when infinity is reached.
This feature greatly simplifies night photography and astrophotography.
The dedicated Focus Lock mechanism locks the focus ring in the desired position, preventing accidental movement.
A Rear Gel Filter Slot is available at the back for using neutral density filters.
Additionally, the Focus Calibration Window allows you to fine-tune focus at home in just 5 minutes.
These specialized tools offer professional flexibility and unmatched control for demanding photo shoots.

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)
16

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
-

Filter Diameter

The diameter that a filter must have to be applied on the lens without the use of an adapter.
Focal Length
11 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
730 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)
No

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
-

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.

579,00 €
14,00 €   shipping cost

Irix