Canon SLR EF-mount prime lens
Photographic lens
f/2.8
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| Maker | Canon |
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| Technical data |
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| Type | Ultra-Wide-Angle, Prime Lens |
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| Focal length | 15mm |
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| Crop factor | 1.0 |
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| Aperture (max/min) | f/2.8 - f/22 |
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| Close focus distance | 0.2 m (7.9 in) |
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| Max. magnification | 0.14x |
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| Diaphragm blades | 5 |
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| Construction | 8 elements in 7 groups |
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| Features |
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| Short back focus |  No |
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| Ultrasonic motor |  No |
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| Lens-based stabilization | No |
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| Macro capable | No |
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| Unique features | Fisheye |
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| Application | Special Effect |
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| Physical |
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| Max. length | 62.2 mm (2.4 in) |
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| Diameter | 73.0 mm (2.9 in) |
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| Weight | 330g (11.6 oz) |
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| Filter diameter | Built-in gelatin filter holder |
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| Accessories |
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| Lens hood | Built-in |
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| Case | LP814 |
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| Angle of view |
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| Diagonal | 180° |
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| History |
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| Introduction | April 1987 |
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| Discontinuation | June 2011[1] |
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| Retail info |
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| MSRP | $719.99 USD |
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The Canon EF 15mm f/2.8 was a fisheye lens produced by Canon from 1987 to 2011. The lens was compatible with all EF camera bodies but only intended for full-frame configurations, as the fisheye effect is much less pronounced with a cropped sensor (APS-C).
In 2010 Canon announced the EF 8–15mm f/4L Fisheye USM which replaced the EF 15mm f/2.8.[2]
Angle of view
Unlike the Canon EF 8-15mm lens which replaced it, the EF 15mm is a full-frame fisheye lens, not a circular fisheye lens.
This means that it provides a full 180° angle of view only across the diagonal; it does not provide a complete hemispherical view, and is not suitable for hemispherical photography.
References
- ^ "Canon Fisheye EF 15mm f/2.8 discontinued". digitaljournalofphotography.blogspot.com. June 13, 2011. Retrieved December 13, 2011.
- ^ "Canon releases EF 8-15mm f/4 L USM fisheye zoom lens". dpreview.com. Aug 26, 2010. Retrieved December 13, 2011.
External links
| EF-S zoom | |
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| Ultra-wide zoom | |
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| Standard zoom | |
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| Telephoto zoom | |
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| Wide-angle prime | |
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| Standard prime | |
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| Telephoto prime | |
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| Super telephoto prime | |
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| Distorting lens | |
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| Tilt-shift | |
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| Macro | |
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| EF-M zoom | |
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| EF-M prime | |
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| Lens accessories | |
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| Discontinued zoom | |
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| Discontinued prime | |
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