The Canon EF 28–135 3.5–5.6 IS USM is a "standard" zoom lens that was introduced in February, 1998. The lens has a 4.82x zoom range and is based on the
EF Lens Mount and works with all film and digital
EOS
In ancient Greek mythology and Ancient Greek religion, religion, Eos (; Ionic Greek, Ionic and Homeric Greek ''Ēṓs'', Attic Greek, Attic ''Héōs'', "dawn", or ; Aeolic Greek, Aeolic ''Aúōs'', Doric Greek, Doric ''Āṓs'') is the go ...
cameras that support this mount.
The lens features 2nd-generation
image stabilization
Image stabilization (IS) is a family of techniques that reduce motion blur, blurring associated with the motion of a camera or other imaging device during exposure (photography), exposure.
Generally, it compensates for panning (camera), pan an ...
(IS) technology,
ring-type USM with full-time manual focusing and a non-rotating front element, however the barrel does extend with zooming. The lens uses a six-blade aperture, and contains a single aspherical (molded, not ground) lens. Closest focusing distance is approximately 50 cm (19.2 inches).
The lens is generally considered a mid-range performer, with a good value to performance ratio that makes it popular as either a starter lens or an upgrade from lower quality lenses often purchased with a camera body. The range of zoom plus the Image Stabilization (IS) feature makes it an attractive walk-around, outdoor lens for general use. As a relatively slow lens, the usability in low light or indoor/no-flash situations is marginal, however this is where the IS regains some of that margin for some situations.
Although labeled as "
Macro" on the lens and in some literature, this is not a true macro lens and cannot reproduce the subject image at 1:1 ratio on the film or image sensor, as with the
Canon EF 100mm lens for full-frame bodies or the
Canon EF-S 60mm f/2.8 Macro USM lens for EF-S bodies with a 1.6
crop factor
In digital photography, the crop factor, format factor, or focal length multiplier of an image sensor format is the ratio of the dimensions of a camera's imaging area compared to a reference format; most often, this term is applied to digital ...
. There is a
Canon EF 50mm lens
The EF 50mm lenses are a group of normal lens, normal prime lens, prime photographic lens, lenses made by Canon (company), Canon that share the same focal length. These lenses are based on the classic double-Gauss lens, with the f/1.8 being a stan ...
that produces a 1:2 maximum image ratio and is advertised as a "compact macro," which is also not a true 1:1 macro but may produce adequate results in some applications. Comparatively, the EF 28-135mm lens has a maximum reproduction ratio of 1:5.3.
This lens uses the Canon EW-78BII tulip-style
lens hood
In photography, a lens hood or lens shade is a device used on the front end of a photographic lens, lens to block the Sun or other light source(s) to prevent glare (vision), glare and lens flare. Lens hoods may also be used to protect the lens fr ...
.
References
External links
Official Canon Website
{{DEFAULTSORT:Canon EF 28-135mm lens
Canon EF lenses
Camera lenses introduced in 1998