Canon Extension Tube EF 12 II for EF and F-S and TS-E Lenses - Black
Key Features
Canon Extension Tube EF-12 II for Canon EOS series digital SLR cameras.
Available for Rent
Canon Extension Tube EF 12 II
-Retains all metering and AF functions with most CANON EF lenses
-High level water and dust resistance -- suitable for use in heavy rain
-O-ring seals protect mounts and release lever
CANON EF Extenders increase the power and versatility of existing lenses. EF Extenders work by increasing the distance between the film plane (or CCD) and the rear element of the lens. The extra distance increases the effective focal length of the lens to bring distant subjects closer.
Brand
physical specifications
| Length | 2.3 in. |
lens specification
| Lens Magnification Factor | No |
| Elements / Groups | 3.4 in. |
| Lens Type | Extender |
| Focus Drive | 2.8 in. |
| Angle of View (diagonal) | 8 elements in 6 groups |
| Focus Type | Auto / Manual |
| Mount Type | Canon |
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Why doesn’t a Canon EF-to-Sony E adapter act like an extension tube?
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