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The Lens Conversion Factor
- Reviews
The Lens Conversion Factor. canon. You read it here first: Canon has broken the $1000 price point barrier for SLR digital cameras. With Canon's launch of the Canon EOS 300D, that magic price point of $1000 represents half of the cost of a top-of-the-range traditional...
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Lens Availability: Plenty To Choose From
- Reviews
major obstacle, as you can always take a test shot and/or meter using another lens. So, for example, you can use an old 500 mm mirror lens and have the equivalent of a 750 mm at an unbeatable price... The 500 mm Tamron SP 8/500 mirror lens mounted on the D70s....
In this review -
Nikon Coolpix S4: The Return Of The Swivel Lens!
- Reviews
not to move while shooting when using the longest focal lengths. Note the lens protection system, that uses a manually-operated plastic shield; it's a bit simplistic, but effective. It would have been difficult to include an automatic lens cover without losing...
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Lens: Clearly A Strong Point!
- Reviews
from that of an SLR. The absence of a mirror in the R1 made it possible to position the rear lens of the zoom at only 2.1 mm from the focal plane, in order to reduce chromatic aberration. The lens can use screw-on filters with a diameter of 67 mm, and a bayonet-mounted...
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Finally, An Optical Lens Cleaner That Really Works!
- Reviews
that there are a lot of really crappy lens cleaning products out there. Some smear up a lens worse than before you started cleaning it; others literally remove the coatings from a lens, taking away all of its external glare and light management capabilities....
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Lens, Sensor, Memory, and Battery
- Reviews
is that good a lens and will likely lighten your camera bag as well. We assume that if you are considering buying this camera, you already own at least one other lens. The EOS 5D Mark II is equipped with a CMOS sensor that measures 24 mm by 36 mm, which is...
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Sensor Size
- Reviews
to portrait photography, than you would with a real 80mm lens. While the angle of view magnification factor allows a lower focal length lens to masquerade as a telephoto lens, it also reduces the sweeping coverage of a wide angle lens. A 12mm lens has the angle...
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VistaPix IS70, a Spotting Telescope and Camera
- Reviews
power lens. The large lens cap on the main lens has no attachment to the camera, unlike the camera lens cover. That large lens cap does have an odd removable cap within the lens cover. When split, that cap is designed to reduce exposure, the equivalent of increasing...
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Canon 70-200mm EF IS USM Lens - Product
Incorporating Canonâ??s second generation Image Stabilization technology, this telephoto zoom responds in as little as 0.5 seconds, while providing up to three stops of correction for camera shake....
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Nikon 55-200mm AF-S DX VR IF-ED Zoom-Nikkor Lens - Product
The Nikon 55-200mm f/4-5.6G ED AF-S VR DX Lens is a versatile and ultra-compact telephoto zoom lens that offers a 3.6x zoom range, ideal for portraiture, sports or wildlife photography. Its...
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Nikon 70-300mm ED-IF AF-S VR Zoom Nikkor - Product
The Nikon 70-300mm f/4.5-5.6G IF-ED AF-S VR is a high-performance super telephoto zoom lens that has been designed to meet the demands of both digital and 35mm format SLR users. It offers a 4.3x...
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Canon 24-105mm EF f/4L IS USM Lens - Product
This easy-to-use standard zoom lens can cover a large zoom area ranging from 24mm wide-angle to 105mm portrait-length telephoto, and its Image Stabilizer Technology steadies camera shake up to...
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Canon 70-200mm EF USM Lens - Product
High-performance, L-series telephoto zoom lens combining light weight and compactness with an f/4 maximum aperture. Inner focusing and the ring USM enable quick and quiet autofocusing. Also, a...
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Canon 24-70mm f/2.8 USM Standard Zoom Lens - Product
This lens does what many pros thought couldn't be done - replace the previous L-series 28-70 f/2.8 lens with something even better. Extended coverage to an ultra-wide-angle 24mm makes it ideal for...
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Canon 10-22mm EF-S USM Lens - Product
This exciting zoom lens provides ultra wide-angle coverage to the EOS 20D and Digital Rebel shooter. Equivalent to a 16-35mm zoom, it offers excellent performance and optics designed from the...
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Tamron 18-270mm AF Di II VC LD IF Lens For Canon - Product
The Tamron AF 18-270mm f/3.5-6.3 Di-II VC LD Aspherical (IF) Macro Lens is a 15x high power zoom lens designed exclusively for digital SLR cameras using the more compact (APS-C) digital size image...
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Canon 50mm EF f/1.4 USM Lens - Product
Standard lens featuring superb quality and portability. Two high-refraction lens elements and new Gaussian optics eliminate astigmatism and suppress astigmatic difference. Crisp images with little...
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Canon 70-300mm EF USM Lens - Product
The EF 70-300mm f/4-5.6 IS USM telephoto zoom lens has been developed to meet the high-performance standards that today's photographers demand. Improved Image Stabilizer Technology provides up to...
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Canon 28-135mm IS USM EF Lens - Product
Standard zoom lens with an Image Stabilizer and high zoom ratio. With the Image Stabilizer turned on, you can obtain sharp, natural-looking pictures in dim lighting without using flash or a tripod....
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Canon 55-250mm EF-S Lens - Product
This telephoto zoom lens is designed with Canon's Optical Image Stabilizer technology while retaining compactness and lightness, in response to demands of photographers. This high zoom ratio lens...
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Canon 50mm EF II Lens - Product
This is a light EF lens at a mere 4.6 oz. (130g). Compact and high-performance, standard lens. Its Gaussian optics provide sharp delineation from near to far focusing distances. The color balance...
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Canon 17-55mm EF-S IS USM Lens - Product
To meet user demands for a fast EF-S zoom lens, Canon has specially designed this lens with a large aperture of f/2.8 for select Canon Digital SLR cameras. The large circular aperture produces a...
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Nikon Telephoto Zoom Nikkor 70-200mm f/2.8D AF-S VR ED-IF - Product
Nikon's 70-200mm zoom lens features an innovative Vibration Reduction (VR) system that allows handheld telephoto zoom shooting even in poorly lit conditions. The VR system minimizes image blur...
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Canon 70-200mm IS USM Lens For Canon - Product
The EF 70-200mm f/4L IS USM is a lightweight, compact L Series telephoto zoom lens with Image Stabilizer. The optical Image Stabilization in the EF 70-200mm f/4L IS USM lens provides up to an...
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Tamron 17-50mm SP AF XR Di II LD Lens For Canon - Product
The SP AF17-50mm F/2.8 is a lightweight, compact, fast standard zoom lens designed exclusively for digital SLR cameras, expanding the product concept of the popular SP AF28-75mm F/2.8 zoom lens. In...
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Canon 100-400mm EF IS USM Lens - Product
L-series super telephoto zoom lens equipped with an Image Stabilizer. The fluorite and Super UD-glass elements largely eliminate secondary spectrum. The floating system also ensures high picture...
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Nikon 24-70mm Nikkor Zoom Lens ED AF-S - Product
The Nikon AF-S Zoom Nikkor 24-70mm f/2.8G ED Autofocus Lens is a fast aperture standard zoom lens designed for photojournalism and general photography. Optimized for edge-to-edge sharpness on both...
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Canon 18-135mm f/3.5-5.6 IS EF-S Zoom Lens - Product
Covering a range from 29mm-216mm in 35mm format, Canon's EF-S 18-135mm f/3.5-5.6 is offers a winning combination of size, range and features and is a perfect complement to APS-C cameras. With...
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Canon 17-40mm EF USM Lens - Product
An L-series ultra-wide-angle zoom lens that's ideal for both film and digital SLRs. Superior optics are assured by the use of three Aspherical lens elements, in addition to a Super UD (Ultra-low...
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Nikon NIKKOR 35mm f/1.8G AF-S DX Wide Angle Lens - Product
Fast, lightweight f/1.8 prime DX-format NIKKOR lens perfect for low-light conditions, travel, environmental portrait and general photography.
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Canon EF 100mm f/2.8L IS USM Macro Lens - Product
The Canon EF 100mm f/2.8L Macro IS USM Lens the '100 Macro' Canon's 'L'-series, and as such is held to a higher level of resolving power, overall construction, and weatherproofing. Other...
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Canon 70-200mm f/2.8L USM EF Lens - Product
One of the finest telephoto zoom lenses in the EF line, comparable to a single focal length lens. It has four UD-glass elements to correct chromatic aberrations. Its constant f/2.8 maximum aperture...
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Canon 85mm EF USM Lens - Product
A highly practical medium telephoto lens with superb delineation and portability. Images are sharp and clear at all apertures. Through computer simulations, the lens has been designed to give...
