The L-series is Canon's flagship professional lens range, designed to include outstanding image performance, ultimate operability and weather resistance. The EF 24-105mm f/4L IS USM offers a lightweight alternative to the renowned EF 24-70mm f/2.8L USM. offers the highest possible optical quality with no change in aperture over the full focal range of the lens. This allows photographers to set exposure at the widest aperture and zoom all the way through to 105mm without having to vary the shutter speed. Image Stabilizer (IS) dramatically reduces image blur caused by camera shake. Gyro sensors detect unwanted vibrations, triggering the corresponding movement of a correcting lens group perpendicular to the optical axis. This alters the light path, returning the image to its correct position on the sensor or film plane. The 3 stop advantage means that photographers normally shooting a 105mm lens handheld at 1/125 sec can obtain a shake free result with a shutter speed as low as 1/15 sec, for vastly extended options in low light conditions. The ring-type USM motor found in the EF 24-105mm f/4L IS USM employs ultra-sonic frequency vibrations to drive auto focus with unrivalled speed and near-silent operation. A powerful CPU and improved AF algorithm contribute to speed performance. Good holding torque stops the lens with precision and accuracy, the instant it arrives at the correct focus point and without overshoot. Photographers can choose manual focus instantly and at any time simply by moving the manual focus ring without first having to switch out of auto focus mode. Circular aperture producing attractive background defocus Inner focusing, ring USM and new AF algorithms for fast and quiet autofocusing Manual focusing enabled even during AF mode (full-time mechanical manual focus) Only environmentally friendly lead-free glass used in lens construction Filter diameter 77 mm / Dimensions (dia x len)
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The Sony UWP Series Bodypack Transmitter with Omni-Directional Lavalier Mic for the UWP-C1 Wireless System comes supplied with an omni-directional lavalier microphone. This bodypack transmitter is ideally suited for news gathering, interviews, talk shows and conferences. Key to achieving stable transmission & reception is the use of a stable carrier signal to avoid interference with other frequency channels & to allow the selection of a preferred channel from multiple frequencies. The UWP series achieves this by using a UHF Phase Locked Loop frequency synthesized system, which provides the use of accurate carrier signal frequencies. This system is used in both the transmitter & tuners, so that a stable carrier is gene rated at the transmitter & accurately tuned in at the tuner. This PLL-controlled system provides highly stable, user-selectable frequencies in increments of 125 kHz. When operating a wireless microphone system, it is essential that the tuner not pick up carrier signals transmitted from other systems. In order to avoid this, the UWP series transmitters transmit a 32 kHz pilot-tone signal along with the audio signal. The squelch circuit of the UWP series tuners recognizes this tone signal and output the audio signal only when this tone signal is received. RF power output - 30mW or 5mW (selectable) Audio attenuator adjustment range - 0 to 21 dB (in 3 dB steps) Local oscillators - Crystal-controlled PLL synthesizer Signal-to-noise ratio - 60 dB or more Power requirements - DC 3.0V (2 AA-size alkaline batteries) Antenna - 1/4 wave length wire Pilot tone signal - 32 kHz Frequency response - 50 Hz to 18 kHz (typical) Audio input level - 60 dBV (at 0 dB attentuator level) Audio input connector - 3.5 mm (5/32 inch) diameter 3-pole mini jack Battery life - Approximately 6 hours with Sony AA-size alkaline batteries at 30mW output Unit Dimensions - Width 2 1/2 x Height 4 x Depth
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Barska Tripods are suitable for all spotting activities, field nature studies or photography. Mount your favorite large binocular, spotting scope or camera for stability. For binoculars, a binocular tripod adaptor is required ( sold separately). All tripod are built sturdily with extendable legs. Heavy duty for all purposes. Backed by Limited Lifetime Warranty.
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Foom-In N Sling-Pack for day to day use that can also carry Digicam + MP3/MP4 + PDA + Phone and accessories. Zipper opening accesses the main flexible compartment where a small roaming media pocket can be found. Under the front flap there are a large zippered pocket and two front flexible pouches. Small side zipper pocket will adjust to store a variety of personal effects. Flat rear pocket can be used to keep valuables, wallet, passport or ID. On the inner side of the shoulder strap two pouches are integrated to allow for quick access to the equipment within (phone / MP3 etc.). Special adjustable shoulder strap will stow away the excess strap in designated cover-all sleeve. Flexi-Shield reinforcement runs along the bottom and sides of the sling.
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These filters are used by many photographers to protect the front element of their lens from abrasions, dust, and moisture. They also have a very subtle warming effect, which can be useful to counter the "cool" colors you sometimes get in bright sun or in shade. They're available in sizes to fit most EF lenses.
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