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Canon EF 100mm f/2.0 USM

Canon EF 100mm f/2.0 USM lens
Canon EF 100mm f/2.0 USM lens

Full frame sized image

Lenses that create APS-C sized image are designed for digital only. They cannot be used on cameras that have image sensor larger than the APS-C format. These lenses are not suitable for film cameras either.


Ultrasonic AF

Lenses with ultrasonic focusing mechanism tend to be quiter and faster than traditionally focusing lenses.


No stepping motor AF

Lenses with stepping motor focusing mechanism are better for contrast based focusing, and are quiter and faster than traditionally focusing lenses.


Not stabilized

Image stabilization helps to reduce blur caused by hand shake, especially at high focal length or in low light situations. Image stabilization can give 1 to 3 stop advantage over none stabilized lens, based on the reciprocal rule.


Metal mount

Cheaper lenses are usually equipped with plastic mount, while more expensive, professional lenses have metal mount. In general, metal mounts are more durable, and a good thing to have when lenses are changed a lot. When a camera is used mainly with one lens, the material of the lens mount is not that important.


Internal Focusing

Internally focusing lenses don't change their size while setting focus.


The front lens is fixed

The fixed front lens is not rotating during zoom and/or focusing. This allows the photographer to use petal shaped lens hood. Fixed front lenses also make the use of polarization filters a lot easier.

This lens features a large aperture and compact size. The first lens group moves for rear focusing. And sharp, crisp pictures are obtained at all apertures. The background blur is ideal for portraits. The USM autofocuses the lens quickly and quietly.

Canon EF 100mm f/2.0 USM Specification

Available mount(s) Canon EF
Application(s) Portrait, Sports, Landscape
Category(s) Telephoto prime
Stabilizer no
Focal length 100 mm (prime)
Lens construction 8 elements in 6 groups
Angle of view 35mm: 24°
digital: N/A
Number of blades 8
Maximum aperture f/2
Minimum aperture f/22
Minimum focusing distance 90 cm
Magnification 0.14×
Filter size 58 mm
Size ∅ 75 × 73.5 mm
Weight 460 g
Notes Mechanical full-time manual focusing built-in.
AF speed N/A
AF sound
Internal focusing yes
Internal zoom N/A
Fix front lens yes
Mount type metal
Weather sealed N/A
Drop in filter N/A
Ultrasonic AF yes
Stepping motor AF no
APS-C sized circle no
Low dispersion lens element N/A
Hard case N/A
Soft case LH-B12 (not included)
Lens hood ET-65III (not included)
printable lens hood
Tripod adapter N/A
Canon EF 100mm f/2.0 USM Specification

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