For close-up work, Canons EF 12 II extension tube works with many EF lenses including the EF-S 18-55mm f/3.5-5.6. With the extension tube attached between camera body and EF lens, users can easily shoot magnified close-up photos.FeatureProduct FeaturesLens systemScrew diameter6.7 Focal length1.2mm Weight & dimensionsWeight66 g. 5 star.
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Solution. The Extension Tubes EF12 II / EF25 II are close-up photography accessories for EF lenses that are mounted on the rear of the lenses. While inheriting the basic specifications such as tube length from the EF12/EF25, the EF12 II / EF25 II have a larger inside diameter than previous models so that it can be attached to EF-S lenses.
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 Tube EF 25 II is recommended for lenses with a focal length of 50mm and up (EF-S 18-55mm can be used at middle and tele zoom settings). Features: Shortens focusing distance of lensThis updated version II is now also fully compatible with Canon Digital EF-S mount, as well as standard photo EF and TS-E fittings. Extension Tube EF 12 II is suited for close-focusing with wide-angle focal lengths. Compatible with all Canon lenses, except the Canon 15mm f/2.8 fisheye, 14mm f/2.8L and MP-E 65mm f/2.8. The Key Features wrote: The general rule that I once read is use an extension tube that is roughly 25% of the focal length of the lens you are using. go with no more than 50% of the focal length. Now that I want to puchase the 60mm macro lens, let's say I attach a 25mm extension tube on the macro lens which giv wrote: @ebiggs: That sounds like a gerat solution. When I tried taking a picture of a dead insect months ago, I noticed that when I used a high f-stop number like f/32 to increase the DOF, diffraction softens the image and the detail/texture is reduced significantly. I will give it a go once I get A working distance of 6.5 cm. Magnification of 3.25x. Interestingly, once you stack more than 60 mm of extension tubes on the lens, the working distance with the lens at infinity is less than it is at the former minimum focusing distance. The working distance at "infinity" is just 4.5 cm. Canon Extension Tube EF 25 II. B&H # CAETEF25Q MFR # 9199A001. 455 Reviews. $144 95. Add to Cart. Add to Wish List. In Stock. Free Expedited Shipping. Other Buying Canon EF25 II Extension Tube. 1. $ 2006. Auto Focus Macro Extension Tube Adapter Ring for Canon EF EF-S EOS Camera Lens. $ 1495. Fotodiox Macro-Tube-EOSM Macro Extension Tube Set for Canon EOS M Mount Mirrorless Camera. $ 6995. Macro Extension Tube Set for Canon 6D, 7D, 7D Mark II. $ 8900.
There is a White-index mark provided for digital SLR EF-S lenses and a red mark provided for photo lenses. Extension Tube EF 12 II is made especially for close-focusing with wide-angle lenses. It shortens focusing distance of the lens. It is compatible with all lenses, except 15mm f/2.8 fisheye, 14mm f/2.8L and MP-E 65mm f/2.8..