- Brand Name: Canon
- Model: 4584A002
- Lens Type: zoom
- Minimum focal length: 24
- Maximum focal length: 85
Product Details
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Built into the system is a replica aspherical lens element that minimizes optical distortions to give you sharp images. The flare-cutting diaphragm helps the lens produce a high-contrast image, even in tough lighting. Its high zoom ratio of 3.5x allows you to take tighter shots of your subjects. It's fully compatible with all EOS cameras.
- it has bigger light-factor (3.5-4.0 vs 4.0-5.6 in the low-class lenses). This gives you more possibilities, for instance to use faster shutter speeds or to decrease the depth-of-fild for special effects)
- the first (outer) lens doesn't spin what gives you an opportunity to use square filters; using a poliriser becomes as easy as any other filter.
- the USM (Ultra Sonic Motor) gives you a really super speed of focusing and completely silent engine. You'll catch the fastest actions and nothing will distrub your object!
These are the most important and useful features of the lens. I should also admit, that the focal distance of this lens is almost ideal for everyday photography, because gives you an opportunity to shoot from landscapes (~24-50mm) to portraiture (~50-85mm) with an equal simplicity and quality.