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Irix 11mm F4 EF Mount Review

Irix 11mm F4

Main Features

  • 11mm Focal Range
  • F4 Max Aperture
  • Weather Sealed
  • Max Format: 35mm FF
  • Canon EF Mount
  • Weight: 790g.
  • Diameter: 103mm
  • Length: 118mm
  • Min Focus Distance:0.28m
  • Max Magnification:0.07x
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Irix 11mm F4 Overview

Irix 11mm F4 is a Fixed aperture Manual Focus (MF) Ultra-Wideangle Prime lens with 35mm FF max sensor coverage, and it is designed to be used with Canon EF mount cameras.

What type of photography is the Irix 11mm F4 lens good for?

The type of photography that you are planning to use the Irix 11mm F4 is an important decision factor. Here we have evaluated its suitability to various photography scenarios:

Photography Type Suitability
Bird/WildlifePoor
SportsPoor
PortraitFair
TravelFair
StreetAverage
WeddingFair
Walk AroundFair
VloggingGood
LandscapeGood
MacroPoor

Reasons to Buy Irix 11mm F4 Lens

Here, we've included a summary of the advantages and disadvantages of the Irix 11mm F4 lens in a list form to help you determine whether it offers the features you need.

PROs
Weather Sealed
Aperture Ring
Distance Scale
DoF(Depth of Field) Scale
Hood supplied
Full-time Manual Focusing
Covers Full-Frame Sensor
9 Diaphragm Blades
Extreme Wide-angle capability
Minimum focus distance of 0.28m / 11.0 inch
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Buy Irix 11mm F4 from Amazon or B&H PHOTO


CONs
No Autofocus
Not so fast for a short Prime Lens

Lens Mount

Irix 11mm F4 is compatible with cameras that have Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.

Irix 11mm F4 is also available in Nikon F (FX) and Pentax KAF3 mounts.

Size, Weight and Filter Thread

Size and weight is a very important decision factor when searching for your next lens. Irix 11mm F4 has a maximum diameter of 103mm and total length of 118mm. It weighs 790g / 27.9 oz.

Focal Range

Irix 11mm F4 has a fixed focal lenght of 11mm.


Weather Sealings

Irix 11mm F4 is a weather sealed lens which provides an extra protection to prevent water and dust get inside the lens and camera body under light rain, snow and wind. In order to have an effective protection, you have to pair the Irix 11mm F4 with a weather sealed camera body such as Canon 1D X III, Canon 6D MII and Canon 5D MIV.

Optical Image Stabilization

Irix 11mm F4 doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).

Maximum Magnification Ratio

Irix 11mm F4 has a Max Magnification Ratio of 0.07x and has a minimum focusing distance of 0.28m. 0.07x means that the max magnification ratio is very low and not suitable even for modest close-up shots.

Aperture

Irix 11mm F4 has a max aperture of F4 and a minimum aperture of F22.

Optical Formula

Irix 11mm F4's optical formula consists of 16 elements in 10 groups . Following special elements are used in this design:

  • 3 aspherical
  • 4 HRI
  • 2 ED elements
  • Neutrino coating

Lens Hood

Irix 11mm F4 comes with a removable lens hood which is handy to reduce lens flare and glare in your photos.

Popular Comparisons of Irix 11mm F4

Here is the eight most popular comparisons of Irix 11mm F4 amongst Camera Decision readers.

Top Alternatives of Irix 11mm F4 Lens
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**This post contains affiliate links and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Irix 11mm F4 Detailed Specifications


General
Brand Irix
Lens Type Prime
Lens Type Wideangle Prime
Lens Mount Canon EF
Max Format 35mm FF
Focal Range 11mm
Image Stabilization No
Colour Unknown
Zoom Method No Zoom
Power Zoom No Zoom
Zoom Lock No Zoom
Zoom Ratio 1.0X
APERTURE
Max Aperture F4
Min Aperture F22
Aperture Ring Yes
Diaphragm Blades 9
Optics
Optical Elements 16
Optical Groups 10
Special Elements 3 aspherical + 4 HRI + 2 ED elements, Neutrino coating

FOCUSING
Min Focus Distance 0.28m
Max Magnification 0.07X
Autofocus No
AF Motor Type No AF
Full Time Manual Yes
Focus Method Internal
Distance Scale Yes
DoF Scale Yes
PHYSICAL SPECS
Weight 790g
Diameter 103mm
Length 118mm
Materials Composite (Firefly), aluminum-magnesium alloy (Blackstone)
Weather Sealing Yes
Filter Thread Unknown
Filter Notes -
Hood Supplied Yes
Tripod Collar No
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Frequently Asked Questions about Irix 11mm F4
is the Irix 11mm F4 a Weather Sealed lens?
What is the Minimum Focusing Distance of Irix 11mm F4
is the Irix 11mm F4 an Autofocus (AF) lens?
What is the Filter Thread Size of Irix 11mm F4
Does Irix 11mm F4 have Image Stabilization?
Does Irix 11mm F4 have Aperture Ring?
What is the Maximum Magnification Ratio of Irix 11mm F4
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