With an STM (stepping motor) and focus mechanism, this Canon EF-S 9519B002 zoom lens allows you to record ultrasharp videos or capture crisp photos using your compatible Canon camera. The UD lens element helps you take highly realistic images.
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I've had this lens for a week now and am confident to say that it is an absolutely great lens for what you are paying. Let me first start by saying that do not get this lens expecting the most durable, weather-resistant lens. It is not. It is made entirely of durable plastic, and plastic mount. So I definitely do not recommend it for landscape shooting inclement weather, but for nice weather (like Los Angeles all year round) or indoor photography, this is a great lens to consider. The focus ring doesn't have any stops, but I didn't really find it to be that big of an issue.
While this lens may be a bargain in price, it's no slouch with image quality and performance. While the F-stop only opens up to 4.5 at 18mm and 5.6 at 10mm, I didnt not find it to be an issue during most times of the day. For night shooting, it may be limited but a tripod and remote trigger/open shutter bulb mode should be your shooting method anyways. Having IS is really nice to have and definitely helps if you plan to use this as a walk-around lens. Lastly, the STM feature is amazing. The AF is really very silent.
Oh one last thing, this lens really really shines in taking video!
My Best Buy number: 0967788751
What's great about it: Good price, tack sharp images, compact and lightweight, IS, and super quiet STM
What's not so great: Made of all plastic (very durable however) which is expected at this price