Camera See Canon EF 28-300mm f/3.5-5.6L IS USM Lens Details
Product Description
Lens Construction (group) 16 Lens Construction (element) 22 No. of Diaphragm Blades 8 Minimum Aperture 22-38 (1/3-stop increments is F22-40) Closest Focusing Distance 0.7m Diagonal Angle Of View 75 degrees - 8 degrees 15' Filter Diameter 77mm Maximum Diameter x Length 92mm x 184mm Weight 3.7lb/1,670g The Zoom Lens EF28-300mm f/3.5-5.6L IS USM replaces the EF35-350mm f/3.5-5.6L USM released in 1993. The new lens offers an extended zoom range at the wide-angle end and incorporates an Image Stabilizer (IS), which compensates for approximately three shutter speeds, allowing the handheld capture of shots that would otherwise be blurred by camera shake. The EF28-300mm f/3.5-5.6L IS USM delivers high-contrast, high-resolution images for which Canon's L-series is renowned. A combination of advanced optical technologies, including UD (ultra-low dispersion) and aspherical lenses, work in concert to achieve a high zoom ratio of approximately 11x while effectively correcting for a variety of aberrations that can occur when zooming. Featuring a new optical design, the lens makes possible a minimum focusing distance of just 0.7 meters throughout the entire zoom range. Other features include a circular diaphragm for improved background blur, and a hardy waterand dust-resistant construction, ensuring professional users unfailing performance under even the most grueling of conditions. And, in consideration of the environment, the model uses only lead-free glass elements.
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Canon raises the stakes for professional photography with its EF 28-300mm USM ultra-high magnification zoom lens with image stabilization. This handy, compact zoom lens offers versatility, easy subject selection, and the highest optical performance in its class. The 11x zoom range covering everything from wide-angle to telephoto, and you can focus in on subjects as close as 2.3 feet. A powerful ring-type USM drive provides silent. Featuring a dust- and moisture-proof "white lens," it is designed to appeal to professional EOS photographers looking to reduce lens changes and the number of lenses they need to carry.
Image Stabilization
The lens incorporates Canon's Image Stabilization (IS) technology, compensating for approximately three stops without any perceptible increase in image blur when shooting static subjects or panning. This increases the range of circumstances in which hand-held photography is possible, limiting the need to carry a tripod.
Fast Auto-Focus
The inner focusing ring-type ultrasonic motor (USM) converts ultrasonic vibrational energy into rotational force to deliver high-speed, high-precision, super efficient and virtually noiseless auto focusing, with good holding torque for rapid response, accurate stopping. Full-time manual override without damage to the autofocus mechanism is featured. Minimum focusing distance is just 0.7m throughout the entire zoom range.
Ready for Digital Photography
The lens shape and coatings have been optimized to suppress ghosting and flaring, making this lens ideal for use with digital cameras that are more susceptible to reflections off the recording media than are film cameras.
Precision Optics
This lens features 22 elements in 16 groups for low distortion, high corner-to-corner resolution throughout the entire zoom range. As with all EF lenses, aperture is controlled with an EMD (electromagnetic diaphragm) for fast, quiet, highly precise control and incorporates a circular aperture diaphragm for beautifully pleasing background blur, from full aperture to two stops down.
The use of 3 Ultra-low Dispersion (UD) glass elements effectively curtails the residual chromatic aberrations that can plague lesser quality long lenses, while aspherical elements correct various kinds of aberration that occur during zooming to give the lens the unsurpassed clarity and resolving power that are the hallmark of professional L-series lenses.
Environmental protection
The EF 28-300mm f/3.5-5.6L IS USM features a rugged dust-proof and drip-proof construction, designed for professional photographers working in harsh environments under a wide range of operating temperatures and humidities.
- Handy, compact zoom lens for versatile and easy subject selection while travelling
- Incorporates Canon's Image Stabilization (IS) technology
- Powerful ring-type USM drive provides silent, high-speed autofocusing
- Optimized to suppress ghosting and flaring, ideal for use with digital cameras
- 1 year Limited Warranty Card Included
More About Canon EF 28-300mm f/3.5-5.6L IS USM Lens
Occasionally there are times when softening upwards a photograph might provide the professional photographer having some a great inventive size. Often nonetheless, in which smooth blur isn't really just what exactly you'd in mind and can frequently pamper the otherwise great image, particularly if you mean with enlargement the idea.If you are looking at choosing a electronic picture that will results in a particular, clean picture, here is a word of advice to contemplate.
Back inside the times when video cameras employed movie prior to every person got a digital digicam, if you had been planning to acquire pictures involving moving materials just like race cars or even birds as well as sporting events, we would opt for a fast video swiftness. That is known as this videos ISO. The bigger the quantity, the swifter this velocity along with the greater best suited it can be when deciding to take pictures of items throughout motion.
What ISO is really in summary could be the shows sensitivity to be able to light. A digital digital camera features a sensor that works within a similar fashion in order to video regarding it really is tenderness for you to mild. Almost all digital camera camera's these days make it possible for people to adjust this ISO environment. In case you are continuously issues capturing on account of camera movements or even you simply can't get a 5 year aged to get even now, fine-tuning the particular ISO can assist.
The ISO establishing with your camera improvements the actual digital cameras light-weight sensor turning it into essentially hypersensitive to be able to lighting. By way of example, in the event you altered the particular ISO at a cheaper location into a greater one particular, your dslr camera turns into additional very sensitive in order to light. This might create a thumb not staying necessary in some in house conditions.
My Cannon Powershot SD1400IS 18. 1 MP Dslr camera ISO setting may be modified from 70 for you to 1600. (Most position as well as take digital camera models include related establishing options. ) 50 could manifest as a slower movie pace and also 1600 a timely a single. Regarding gradual transferring as well as stationery images within vibrant lighting, 50 is a beneficial setting. This particular is fantastic for out-of-doors image eating vivid sun rays. 1600 could be good for acquiring pictures which can be with motion such as at a NASCAR contest or a baseball activity. Those 2 good examples might cover both equally ends from the array and so alter appropriately to match the wants from the scenario that you are taking pictures in.
Now, these modifications usually do not arrive without having consequences. The more expensive the ISO location, which means the more sensitive for you to gentle the particular digicam is actually, greater graininess or even sounds you'll see within your a digital pictures. Not really a large package should you not consider lengthening ones photographs yet might detract via a good in any other case great impression if you undertake. Definitely anything to be aware of.
So, so how exactly does tinkering with the ISO or perhaps pace solve the situation regarding blurring images? Considering that the quicker the actual ISO, the particular fewer time period the actual video cameras shutter must be open up to own wanted consequence. Which means the particular photo sensor will be come across a new reduced period of mild. In case your photographs usually are unreadable because the issue is usually relocating or maybe because you usually are transferring, the particular smaller stretch of time the particular sensor will be confronted with light-weight lessens the actual likeliness of any confused image.
To the topic of shutter rate. In case your camera is scheduled for you to automatic method, your camera will routinely adjust the actual shutter pace towards the ISO rate, so making it dummy proof. It's proved helpful within my prefer in many situations.
All with this may be too much to handle, but it surely is rather simple. You are just doing one realignment, and that is on the camera's ISO rate. Ones camera may the remaining. The tip is to try with all the different ISO adjustments when going for a excellent snapshot won't make any difference to help you please take a wonderful photograph when it does.
Canon EF 28-300mm f/3.5-5.6L IS USM Lens Reviews
Canon EF 28-300mm f/3.5-5.6L IS USM Lens:Camera
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