CLOSE-UP ACCESSORIES- | |
Close-up Lenses | |
These close-up attachments can be
used with most EF lenses to provide a shorter minimum
focusing distance with no loss of light. The
250D/500D series incorporates double-element
achromatic design for maximum optical performance
while the 500 series features single-element
construction for maximum economy. The 250D is
optimized for lenses between 50-135mm, while the
500D works best with telephoto lenses from 70-300mm.
Manual focusing is recommended. Available Sizes: 52mm, 58mm, 72mm, 77mm Type: Screw-in | |
Extension Tube EF 25 & EF 12 (II) | |
These close-up accessories maintain
full electronic coupling between the camera body and
lens, often providing greater magnification than is
possible with close-up lenses. Can be used with most
EF lenses, and are ideal for nature photography with
single focal length telephotos. Manual focusing is
recommended. The result of using extension tubes is that the distance from the back of the lens to the film surface is longer, which means you can take photographs at shorter distances to the subject. Extension tubes are thus commonly used for macro photography and sometimes for close-up portraits. When using the camera's TTL metering system, no exposure compensation will be required (exposure compensation is required for handheld meters). This updated version II is now also fully compatible with Canon Digital EF-S lenses, as well as standard photo EF and TS-E lenses. Extension Tubes EF 25 & 12 II are especially suited for close-focusing with wide-angle lenses. EF 12 II is compatible with all lenses, except 15mm f/2.8 fisheye, 14mm f/2.8L and MP-E 65mm f/2.8. Key Features
• Shortens focusing distance of lens For EF 25 II: When using the camera's TTL metering system, no exposure compensation will be required (exposure compensation is required for handheld meters). Extension Tube EF 25 II is recommended for lenses with a focal lenght of 50mm and up (EF-S 18-55mm can be used at middle and tele zoom settings). |
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