The 18-200mm kit lens has an 11.1x zoom ratio, with a 35mm equivalent focal range of 29-320mm when the focal length crop is taken into account. The Canon EOS 60D will work with pretty much any EF-mount lens ever made, as well as with the special EF-S lenses designed for cameras with APS-C size sensors. In Live View mode, the Canon 60D offers three autofocus modes ,as per other recent Canon digital SLRs.
The Canon 60D uses the built-in flash head as its AF-assist illuminator, rather than a bright light built into the camera's body.
Without an external strobe attached, and when in Creative Zone modes (Program, Priority, Manual, and Bulb), the internal strobe will fire its AF assist pulses if needed whenever the flash is raised. First introduced on the Canon Rebel XTi, Canon's system-wide approach to reducing the impact of dust on the image sensor is also included on the Canon 60D with a slight update to the anti-static coatings used. The principal approach other manufacturers have used to deal with dust has been to make the system self-cleaning, vibrating either the anti-aliasing filter itself or a protective cover glass lying above it, to shake loose adhering dust particles.
Dust reduction.?The Canon 60D includes Canon's EOS Integrated Cleaning System, first introduced on the EOS Rebel XTi camera. No matter how good an automatic cleaning system, there?are?going to be some stubborn dust particles that it can't dislodge. Located in Shooting Menu 3, the Dust Delete Data option displays a screen that shows when the last Dust Delete reference image was captured.
Despite Canon's advanced anti-dust technology, we feel compelled to point out that we've thus far seen?no?anti-dust system that completely eliminates the need for sensor cleaning. The Canon EF-S 18-135mm IS (Image Stabilized) kit lens offers better-than-average zoom ratio, with pretty good performance. Higher than average barrel distortion at wide-angle and moderate pincushion distortion at telephoto with the 18-135mm IS kit lens. Moderately high chromatic aberration at wide-angle and telephoto with the 18-135mm IS kit lens. Overall, a pretty good performance for a kit lens here, especially one with a 7.5x zoom ratio. You can use a camera line art in your conversations to let your friends know that you are going for a professional photo shoot. Contact us with a description of the clipart you are searching for and we'll help you find it.
Lens Peripheral Illumination Correction first appeared in the 50D and has since featured in several of Canon's consumer and enthusiast DSLRs. The first of these is what Canon refers to as Live Mode AF, whereby the camera applies contrast detection algorithms to the data streaming from the image sensor. This expands creative options enormously, but every time the lens is removed, dust from the environment is free to enter the camera body. Once dislodged, a strip of sticky material at the bottom of the sensor cavity or mirror box catches and holds them.
The camera's Self-Cleaning Sensor Unit uses a piezoelectric element to shake dust particles off of the low-pass filter in front of the sensor. To deal with these, the Canon 60D has the ability to shoot a dust reference photo, and then transfer that information to Canon's Digital Photo Professional software, which can use it to eliminate the shadows cast by dust particles on the images. Selecting OK on this screen initiates a cleaning cycle, after which the camera prompts you to take a picture of a blank white surface. Sooner or later, you're going to need to clean your sensor, so we strongly recommend purchasing a good-quality sensor cleaning kit right along with your DSLR. At the telephoto end, there was about 0.4% pincushion distortion, which is also higher than average though not quite as noticeable. Chromatic aberration in the corners with the Canon 60D's 18-135mm kit lens is moderately high at both wide-angle (18mm) and telephoto (135mm) settings.


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Focusing is internal, and the 18-135mm uses a micro DC motor for autofocus instead of the ultra-sonic motor found on models with the USM designation.
Again, the built-in image stabilization system is rated for up to four stops of correction, and is enabled or disabled with a provided switch.
EF-S lenses can't be used on full-frame Canon cameras, nor on their models with 1.3x crop factors, like the current EOS-1D Mark III, but small-sensor cameras like the 60D can use any full-frame lenses in Canon's arsenal. For example, a 100mm lens on the Canon 60D will show the same field of view as a 160mm lens on a camera with a 35mm frame size. Peripheral Illumination Correction works with over 85 different Canon lens models, in both RAW and JPEG workflows. It's a disappointing omission, as its a feature available in some prominent models from competing manufacturers, at around the same price point.
This allows focusing without interrupting the live view, but has the disadvantage that it is significantly slower to achieve a focus lock, which makes it less useful for handheld photography, or when shooting moving subjects. From there, it's only a matter of time before some of it makes its way to the surface of the sensor ,where it casts shadows that appear as dark blobs in your images. This approach was pioneered by Olympus, but has since been adopted by Canon, Nikon, Pentax, Panasonic, and Sony, in various forms. The dust is then trapped by an adhesive strip along the base, preventing it from causing further nuisance. Automated anti-dust systems like Canon's will certainly help with some of the dust, typically the dust that the nylon brush-based cleaning systems can also handle. The amount and intensity of the color fringing reduces as you move toward the center of the image, but is still slightly evident in the center at wide-angle. At full wide-angle, corners on the right side of our test targets were somewhat softer than the center, but the blurring didn't extended very far into the frame. The main optical issues with this lens are chromatic aberration, corner-shading and geometric distortion, all of which can be corrected for or reduced in most advanced image editing software. For JPEG shooting, the correction is made at capture time, while RAW shooters can access the function in Canon's Digital Photo Professional software, although Canon shooters should note that the latter approach offers the highest degree of correction. Using Custom Function III-4, AF assist can be disabled altogether, set to fire from the external flash only, or set to fire with external strobes including an IR assist beam only.
Some cameras use a dedicated piezoelectric element to provide the vibration, while others perform double duty with the sensor shift mechanism used for their image stabilization, with widely varying vibration frequencies and efficacies. If the surface you used to capture the image wasn't sufficiently uniform, you'll get an error message, but if the image was good, you'll see a confirmation screen.
Sharpness at full telephoto is quite good too, with excellent detail across the frame, though chromatic aberration is still a bit high. Geometric Distortion is the tendency for the lens to bend straight lines outward (like a barrel -- usually at wide-angle) or inward (like a pincushion -- usually at telephoto). As mentioned previously, the Canon 60D  has the capability of reducing corner shading automatically in-camera by enabling Peripheral Illumination Correction. The lens features built-in image stabilization (IS) that is capable of up to four stops of correction. In-camera correction of JPEGs operates with somewhat reduced strength, especially when shooting at higher ISO sensitivities, given that the correction can make image noise more pronounced. The Canon 60D includes the ability to detect the light source (including the color temperature and whether or not the light is pulsing), and then take these into account and microscopically shift the focus as necessary.
For non-flash photography, Canon's ST-E2 wireless sync transmitter can also be used for AF assist.
Every DSLR ever sold has offered a sensor-cleaning mode, in which the mirror is locked up and the shutter opened to permit the sensor to be cleaned with compressed air, a solvent-carrying swab, or other means.


In addition, some manufacturers have adopted coatings on the low-pass filter intended to prevent dust particles from adhering in the first place.
The second part of the cleaning system involves post processing with a compatible personal computer and the supplied Digital Photo Professional software.
There's thus no need to keep track of a separate dust image file, the information is always available in the file headers, assuming you've actually performed the dust-mapping process.
The Dust Delete Data just generated will now be included in the headers of any JPEG or RAW images captured, until you decided to capture a new dust reference image.
We ourselves use and recommend products from?Copper Hill, which we've found to be both highly effective and among the most reasonably priced on the market. All in all, this is a pretty sharp optic for a kit lens especially considering the zoom range, and the built-in image stabilization will come in handy for low-light or telephoto shooting. This lens has a MSRP of US$699.99 if bought separately, and again costs significantly less when purchased bundled with the camera. Autofocus modes include One-shot, Predictive AI Servo AF, and AI Focus AF, which automatically selects between the One-shot and AI Servo modes.
If more than one face is detected, the multi-controller can be used to select a different face. As the market has matured and more DSLRs have found their way into the hands of novice users, it has become clear that some automated way of dealing with sensor cleaning is needed. Via a menu option, the camera maps any stubborn dust spots that remain on the sensor after cleaning, saving their locations as Dust Delete Data that can subsequently be used to subtract the spots during post-processing. You can update the Dust Delete data any time you think the camera might have been exposed to dust, or after you've manually cleaned the sensor. While chromatic aberration is a bit high, it is easily corrected with some post-processing. At full telephoto, all four corners were only slightly soft with the top right being the softest. As with the 18-135mm lens, both a lens hood and soft case are available as optional extras. Canon's EOS Utility software allows correction data for lenses (including models as-yet unreleased) to be uploaded to the Canon 60D, up to a maximum of 40 lenses. Alternatively, in what Canon refers to as Quick Mode AF, the mirror is briefly dropped to allow an autofocus operation using the camera's phase detection autofocus sensor.
A third option includes a manual sensor cleaning function which raises the mirror and allows users to clean dust that may have stuck to the low-pass filter. The latest dust map is automatically incorporated into the EXIF headers of all JPEG images, or the headers of any RAW files. Here's an example of the wide-angle shot above with most of the chromatic aberration removed in Adobe Camera Raw. There was no detectable shadow from the lens barrel, resulting in a good exposure with the flash. This mode offers quick autofocusing, but with the disadvantage that there is an interruption of the live view stream during the AF operation.
The lens has a MSRP of US$499.99 if bought separately, but costs significantly less when purchased bundled with the camera.



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