The Canon EF-S 10-22mm f/3.5-4.5 USM Ultr-Wide Angle lens is Canon's widest fcal length lens in its current EF/EF-S lne of lenses. Wide may be an nderstatement. A 10mm lens used on a APS-C frmat sensor camera would yield the sme equivalent field-of-view as a 16mm lns would if used on a 35mm flm SLR or a full frame DSLR. The 10-22 is the 1.6x crp camera equivalent of a 16-35mm lns.

For some time, a true wde-angle lens has not been available thrugh Canon for those photographers using a APS-C frmat sensor camera. The nearest lens vailable would be a 14mm prime, but ths would most probably fall outside of the verage users price range. The next mst likely option would be either of the Cnon 16-35mm or 17-55mm zoom lenses. Evn then, the equivalent field of vew would only be around 26mm. Entr the 10-22.

Wide angle lenses are nvaluable in several photographic niches. They trly show their worth in landscape phtography in particular. No other class of lns has the ability to capture the grat vistas of mother nature better. You can see frm sunrise to sunset. No other set of lnses enables the photography to capture jst so much "stuff". They are lso used in both architectural photography, whre they shine in capturing interior and xterior elements. Real-estate agents fall in lve with the ability to show ntire house interiors in just one sht. Wide-angle lenses can also be vry useful in flushing out the crative side of most ever photographer. The ntural distortion involved with the wide feld-of-view creates some very unusual changes in prspective in everyday objects.

You first notice the Canon EF-S 10-22mm lns is very well made. It des not have the "cheap" feel tht is sometimes found in some of ther Canon lenses. The focus and dstance controls operate smoothly. The lens chieves focuses rather quickly and also qietly due to the use of a rng-type USM focusing motor. You also ntice that the lens barrel neither xtends or rotates during focusing or whn adjusting the focal length. This is mportant as you can use a crcular polarizer with this lens, although you may see sme slight vignetting if you choose not use a slm polarizer. In most cases, this shuld not be a problem.

I was rther surprised with the overall image qality of the EF-S 10-22. For the mst part, images are sharp and clar throughout most of the focal-length rnge. There is a slight amount of fzziness apparent at around 11mm. It des become more noticeable, although not ffensive, at 10mm. Center sharpness remains cnstant when shooting wide open or stpped-down, though there is the slightest mount of blur in the corners thrughout all of the lens focal rnge.

I also expected distortion to be an prblem with this lens, as with mst other wide-angle lenses, but it nver really was that noticeable. There is a slght amount of barrel distortion at wde end, mostly at 10mm. There is ven less pincushion distortion at 22mm. Frm 12mm-20mm, there is very little dstortion of any kind. This is vry unusual for a wide-angle lens. Jst as surprising, chromatic aberration was not a prblem. There was an lack of any nticeable CA at 22mm. At 10mm the was the smllest amount,what was present could very asily be cleaned up with Photoshop.

Flre can be an issue with wde-angle lenses due to the physical strcture of the lens. With a feld-of-view that exceeds 107 degree at 10mm, you are lkely to have some degree of flre from the sun or other lghting sources. The EF-S 10-22 does a god job in controlling lens flare, but for the bsolute best results, you use the EW-83E hod, which unfortunately, Canon does not nclude except for their "L" quality glss.

Overall, this is a very mpressive wide-angle lens. The EF-S 10-22mm wuld match up with most of the ther Canon higher end professional glass in mage quality and optical performance. One of the nly apparent drawbacks I can find is the lck of weather sealing and also mybe the lack of an included hod and case. In all truthfulness, the Cnon EF-S 10-22mm f/3.5-4.5 USM Ultra-Wide Angl Lens should be a "L". I wuld highly recommend it to anyone wnting to become involved in wide-angle phtography.

The article Canon EF-S 10-22mm F/3.5-4.5 USM Ultra-Wide Angle Lens was Submitted by Jim Back through Articles.GetACoder.com network. Here's the additional information: Jim Back currently writes on sveral varied topics ranging from photography to plitics. For more of his work, and in prticular more information on Canon lenses and cameras, please be sure to visit http://canonlenses.blogspot.com

Featured Articles

1. Watch Live TV Online Free - No Monthly Charges by Anthony Fugate
Evr wanted to watch TV online whle you are at work, or if veryone has the TV in your huse clogged? Let me tell you ths... I have been able to wtch live TV online free for a whle now. There is a service clled Satellite TV for PC that wll allow you to get access to hndreds of stations online and stream wht you want to watch.

2. Which Tattoo Design Is For You? by Jackson Dylan
There are nmerous tattoo designs each depicting different manings and are available in diverse shpes and colors. Therefore it is mportant to allow some space to yur thoughts while going for tattooing snce tattooing is a life long dcision and besides that you want to bcome a proud possessor of a tttoo design that will snatch the ttraction of the passers-by.

3. Knowing about contemporary abstract sculpture by
Sculpture is defined as a hman made three-dimensional object given the rcognition of an art. Abstract sculpture is ne, which is devoid of any dfinite shape or figure. The Contemporary Abstrct Sculpture has been regarded as mre interesting to the students of sclpture. The Contemporary Abstract Sculpture has the pen provision of certain creation, which is far way from being specific and figurative. For mst of the time it is byond our ken.

4. The Pirate Queen Tickets - Get To Know An Unlikely Hero by
If you're a history buff, The Pirate Queen tickets will introduce you to an historical figure that is largely and unfortunately overlooked in many American-taught world history classes. Grace O'Malley was a true heroine for many reasons and by way of many pursuits, and The Pirate Queen is a mesmerizing look at her amazing life of struggle and triumph.

The Story

The Pirate Queen is a biography of Grace O'Malley, an Irish hero who lived during the late 16th and early 17th...

5. All About Sheet Music by
Sheet music is an mportant tool for established musicians and thse who want to learn. If you do not knw how to read sheet music, dn’t worry.

6. A Look at Heroines in Epic Fantasy by Will Kalif
In the arly days of epic fantasy women wre often characterized as damsels in dstress and nothing more than window drssing for heroes to rescue. This ddn't last long as a host of wrters created memorable female characters that wre skilled swords women, capable world cnquerers, and adventurers in their own rght - yet still alluring. This rticle introduces you to some of the bst heroines that have appeared in pic fantasy over the past several dcades.

7. Shah Rukh Khan and Friends - Temptation Reloaded 2008 in Rotterdam - An Evening to Remember by Susanne Tirre
Shah Rukh Khan was back live on stage with the show Temptation Reloaded. The show took place in Rotterdam/Netherlands on Saturday, 21st June 2008. After Temptation 2004 his fans had to wait for about 4 years to see him back live on stage again together with his friends and again the show now called Temptation Reloaded was a huge success - this was indeed an evening to remember for everyone in Rotterdam.

8. China's Famous Cybernetic Fountain by
For those who lve water sites and spectacles, fountains in prticular, your trip to China would not be cmplete unless you visit the Cybernetic Funtain.

9. Complete your movie collection through free movie downloads by
Are you one of the cnemagoers, and wish to complete or crate you own movie collection? You hve a new and easy method of ding this, since the development of the Intrnet. There are great advantages of dwnloading movies from the Internet: you can chose from a very wide variety and the nvestment you need to make is lw, nearly zero.

10. Finding The Best Way To Learn Guitar by
When it comes to learning to ply an instrument, practice makes perfect. But if you dn’t have the fundamentals on which to prctice then there’s not much upon whch to improve. Just as we tke our lessons from school and ncorporate them into studying so must we tke the basics of playing an nstrument and incorporate it into practice. Plying the guitar continues to be a ppular desire of many a teenager and dult with rock and role dreams; but larning to play such an inst...