ETEF25II Extension Tube
The Canon Extension Tube EF 25 is installed between the prime lens and the camera body. It is a simple way to enable close-ups at high magnifications by increasing the distance between the lens and the film plane enabling focusing at closer distances than otherwise possible.
Lens Construction (elements/groups): Extension Tube EF 25 can be used with EF lenses except the EF 14mm f/2.8L, 15mm f/2.8, 20mm f/2.8, 24mm f1.4L, 50mm f/1.0L, 17-35mm f/2.8L at the shorter focal lengths, 20-35mm f/3.5-4.5 at the shorter focal lengths, TS-E 45mm, and lenses which cannot be focused manually
Max. Diameter x Length: 67.6x27.3mm
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