Canon

Canon 2518A003 EF 100mm f/2 USM Portrait Lens

Name: Canon 2518A003 EF 100mm f/2 USM Portrait Lens
Brand: Canon
SKU: 2518A003

Capture Stunning Portraits with Exceptional ClarityIntroducing the Canon EF 100mm f/2 USM Lens, a compact and high-speed telephoto lens perfect for portraits and low-light photography. Experience rapid autofocus, beautiful background blur, and exceptional sharpness.Specifications: Focal Length: 1...

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Overview

Capture Stunning Portraits with Exceptional Clarity

Introducing the Canon EF 100mm f/2 USM Lens, a compact and high-speed telephoto lens perfect for portraits and low-light photography. Experience rapid autofocus, beautiful background blur, and exceptional sharpness.

Specifications:

Focal Length: 100mm
Maximum Aperture: f/2
Autofocus: USM (Ultrasonic Motor)
Filter Size: 58mm
Minimum Focusing Distance: 3 feet

Key Features

Focal length and maximum aperture: 100mm 1:2

Lens construction: 8 elements in 6 groups

Diagonal angle of view: 24 Degree

Rear focusing system with USM focus adjustment

Closest focusing distance: 0.9m/3 ft.

Specifications

Brand

Canon

Model

2518A003 EF 100mm f/2 USM Portrait Lens

Focal Length

100mm

Maximum Aperture

f/2

Lens Construction

8 elements in 6 groups

Diagonal Angle of View

24 Degree

Focusing System

Rear focusing system with USM focus adjustment

Closest Focusing Distance

0.9m/3 ft.

Frequently Asked Questions

What is the primary use for this Canon 100mm f/2 USM lens?

This lens is designed as a portrait lens, indicated by its 100mm focal length and wide f/2 aperture, which are excellent for isolating subjects with pleasing background blur.

Does this lens feature fast autofocus?

Yes, the lens incorporates a USM (Ultrasonic Motor) focus adjustment system, which typically provides quick and quiet autofocus performance.

Can this lens be used for macro photography?

With a closest focusing distance of 0.9 meters (3 feet), this lens is suitable for relatively close-up shots, but it is not classified as a dedicated macro lens.

What is the widest aperture setting available on this lens?

The widest maximum aperture for this Canon lens is f/2, allowing for significant light gathering and control over depth of field.

How many optical elements and groups are used in the construction of this lens?

The Canon 2518A003 EF 100mm f/2 USM lens is constructed with 8 elements arranged in 6 groups.

Strengths & Trade-offs

👍 Pros

The 100mm fixed focal length is ideal for portrait photography, providing natural perspective and separation.
Its wide maximum aperture of f/2 allows for excellent low-light performance and shallow depth of field.
Equipped with a USM (Ultrasonic Motor) focus adjustment system, providing fast and quiet autofocus.
The rear focusing system contributes to rapid and precise focusing without extending the lens barrel.
A closest focusing distance of 0.9m (3 ft) allows for relatively close-up shots of subjects.
Constructed with 8 elements in 6 groups, suggesting a well-corrected optical design for image quality.

👎 Cons

The 100mm fixed focal length offers no zoom capability, requiring the photographer to physically move to frame shots.
A maximum aperture of f/2, while bright, is not as wide as some other prime lenses available, which can be f/1.8 or f/1.4.
The diagonal angle of view is limited to 24 degrees, which might be restrictive for broader environmental portraits or landscapes.
Weighing 1.3 lbs (600g), this lens may add noticeable weight to a camera setup, affecting portability.
Requires a specific Canon EF mount, making it incompatible with other camera systems without an adapter.
The closest focusing distance of 0.9m (3 ft) may not be sufficient for true macro photography needs.