The EF 28-300mm f/3.5-5.6L IS USM lens is a superzoom

Superzoom

The term hyperzoom or superzoom is used to advertise photographic zoom lenses with unconventionally large focal length factors, typically more than 5× and ranging up to 15×, e.g., 35 mm to 350 mm. The largest ratio for digital SLR cameras is held by the Tamron 18–270 mm, giving 15×....

 lens

Photographic lens

A camera lens is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media capable of storing an image chemically or electronically.While in principle a simple convex lens will suffice, in...

 made by Canon Inc.

Canon Inc.

is a Japanese multinational corporation that specialises in the manufacture of imaging and optical products, including cameras, camcorders, photocopiers, steppers and computer printers. Its headquarters are located in Ōta, Tokyo, Japan.-Origins:...

This lens has an EF

Canon EF lens mount

Introduced in 1987, the EF lens mount is the standard lens mount on the Canon EOS family of SLR film and digital cameras. EF stands for "Electro-Focus": automatic focusing on EF lenses is handled by a dedicated electric motor built into the lens...

 type mount, that fits the Canon EOS

Canon EOS

The Canon EOS autofocus 35 mm film and digital SLR camera system was introduced in 1987 with the Canon EOS 650 and is still in production as Canon's current DSLR system...

 line of cameras.

When used on a digital

Digital photography

Digital photography is a form of photography that uses an array of light sensitive sensors to capture the image focused by the lens, as opposed to an exposure on light sensitive film...

 EOS

Canon EOS

The Canon EOS autofocus 35 mm film and digital SLR camera system was introduced in 1987 with the Canon EOS 650 and is still in production as Canon's current DSLR system...

 body with a field of view

Crop factor

In digital photography, a crop factor is related to the ratio of the dimensions of a camera's imaging area compared to a reference format; most often, this term is applied to digital cameras, relative to 35 mm film format as a reference. In the case of digital cameras, the imaging device would be a...

 compensation factor of 1.3x, such as the Canon EOS-1D Mark III

Canon EOS-1D Mark III

The EOS 1D Mark III is a professional 10.1 megapixel digital single lens reflex camera camera body produced by Canon. The EOS 1D Mark III was announced on February 21, 2007 and is the successor of the Canon EOS-1D Mark II N and was first released in May 2007...

, it provides a narrow field of view, equivalent to an 36-390mm lens mounted on a 35mm

35 mm film

35 mm film is the film gauge most commonly used for chemical still photography and motion pictures. The name of the gauge refers to the width of the photographic film, which consists of strips 35 millimeters in width...

 frame body. With a 1.6x body such as the Canon EOS 400D

Canon EOS 400D

The EOS 400D, called Digital Rebel XTi in North America and EOS Kiss Digital X in Japan, is a mid-range digital single-lens reflex camera introduced by Canon August 24, 2006....

, it provides a narrower field of view, equivalent to an 45-480mm lens mounted on a 35mm frame body.

This lens has a push-pull type zoom mechanism and can be used for many types of photography, because of its large focal length range. It is used mostly for press photography

Paparazzi

Paparazzi is an Italian term used to refer to photojournalists who specialize in candid photography of celebrities, politicians, and other prominent people...

, and also for travel photography

Travel photography

Travel photography is a subcategory of photography involving the documentation of an area's landscape, people, cultures, customs and history. The Photographic Society of America defines a travel photo as an image that expresses the feeling of a time and place, portrays a land, its people, or a...

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