Canon

Canon 2526A004 EF 400mm f/5.6L USM Telephoto Lens

Name: Canon 2526A004 EF 400mm f/5.6L USM Telephoto Lens
Brand: Canon
SKU: 2526A004

Bring Distant Subjects Closer with Clarity The Canon EF 400mm f/5.6L USM Super Telephoto Lens is designed for photographers who need exceptional reach and image quality. Its lightweight and portable design, combined with superior optics, makes it ideal for capturing wildlife, sports, and other d...

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Overview

Bring Distant Subjects Closer with Clarity

The Canon EF 400mm f/5.6L USM Super Telephoto Lens is designed for photographers who need exceptional reach and image quality. Its lightweight and portable design, combined with superior optics, makes it ideal for capturing wildlife, sports, and other distant subjects with stunning clarity. With fast and quiet autofocus, this lens delivers professional results in any shooting situation.

Key Features:

Focal Length: 400mm
Maximum Aperture: f/5.6
Lens Construction: Utilizes Super UD and UD-glass elements
Autofocus: USM (Ultrasonic Motor) for fast and quiet operation
Filter Size: Accepts 77mm filters
Tripod Collar: Built-in removable tripod collar

Key Features

Lens construction: 7 elements in 6 groups

Diagonal Angle of View: 6° 10' .Fluorite and Ultra-low Dispersion-glass; internal focusing; full-time manual focus

Closest Focusing Distance: 35m / 115 ft

Focal Length & Maximum Aperture: 400mm 1:56

Filter size: 77mm

Specifications

Focal Length

400mm

Maximum Aperture

f/5.6

Lens Construction

7 elements in 6 groups

Diagonal Angle of View

6° 10'

Closest Focusing Distance

35m / 115 ft

Filter Size

77mm

Glass Type

Fluorite and Ultra-low Dispersion-glass

Focusing System

Internal focusing, full-time manual focus

Frequently Asked Questions

What is the focal length and maximum aperture of the Canon EF 400mm lens?

The Canon EF 400mm lens has a fixed focal length of 400mm and a maximum aperture of f/5.6.

What type of glass elements are used in this lens for image quality?

This lens incorporates Fluorite and Ultra-low Dispersion-glass elements to enhance image quality and minimize aberrations.

What is the closest focusing distance for the Canon 400mm f/5.6L USM lens?

The closest focusing distance for this lens is 35 meters or 115 feet.

Does this lens offer full-time manual focus?

Yes, the lens features full-time manual focus, allowing for manual adjustments even when autofocus is engaged.

What is the filter size for this telephoto lens?

The filter size required for the Canon EF 400mm f/5.6L USM lens is 77mm.

How many elements and groups are in the lens construction?

The lens construction consists of 7 elements arranged in 6 groups.

Strengths & Trade-offs

👍 Pros

Features a 400mm focal length, providing powerful telephoto capabilities for distant subjects.
Incorporates Fluorite and Ultra-low Dispersion-glass elements, designed to deliver high image quality and reduce chromatic aberrations.
Utilizes internal focusing, which contributes to faster autofocus performance and allows for constant lens length.
Supports full-time manual focus, offering precise control even when autofocus is engaged.
The fixed f/5.6 aperture maintains consistent exposure and depth of field when shooting at maximum zoom.

👎 Cons

The 400mm fixed focal length, while excellent for telephoto, lacks the versatility of a zoom lens.
The f/5.6 maximum aperture, while adequate, may be limiting in very low light conditions compared to faster f/2.8 or f/4 lenses.
A closest focusing distance of 35 meters (115 ft) restricts its use for very close-up subjects.
The 77mm filter size, while common, requires specific filters which can be an additional cost.
The lens construction of 7 elements in 6 groups is relatively simple for a telephoto prime, potentially indicating areas for optical improvement.