Telephoto lenses not only let you close-in on a subject, but also allow you to zoom in on a subject that you cannot get close to. The longer focal lengths effectively compress the distance between the subject and camera to capture the details and the feeling of a far-off scene.
Canon
EF 135mm f/2L USM Lens for Canon SLR Cameras
The
fastest 135mm telephoto lens in its class. Ideal for indoor sports
and portraits with background blur. Two UD-glass elements correct
secondary spectrum for outstanding sharpness and color. Compatible
with Extender EF 1.4x II and 2x II Available at amazon.com
Canon
EF 135mm f/2.8 with Softfocus Telephoto Lens for Canon SLR Cameras
Telephoto
lens with a softfocus feature. It can give razor-sharp snapshots
as well as softfocus shots that do not look blurry. You have
a choice of two softfocus settings. Even for softfocus shots,
focusing with AF is quick and accurate. Available at amazon.com
Canon
EF 200mm f/2.8L II USM Telephoto Lens for Canon SLR Cameras
Telephoto
lens boasting high image quality and carrying ease. With two
UD-glass elements and rear focusing to correct aberrations, image
delineation is extremely sharp. Background blur is also natural-looking,
as was simulated by Canon. The lens comes with a dedicated, detachable
hood...Available at amazon.com
from Canon
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Canon EF 300mm
f/4L IS USM Telephoto Lens for Canon SLR Cameras
Compact
L-series telephoto lens with an Image Stabilizer which compensates
for camera shake with the equivalent effect of a shutter speed two
stops faster. Two Image Stabilizer modes are provided: Stabilizer
Mode 1 (the same mode featured on the EF 75-300mm f/4-5.6 IS USM)
and the new Stabilizer Mode 2 which steadies the image during horizontal
or vertical panning. Mode 2 detects the panning direction automatically.
The closest focusing distance is 4.9 feet (1.5 m)...Available at amazon.com