|FD||The lens is designed for Canon 35 mm film SLR cameras and is not compatible with Canon EOS digital SLR cameras due to shorter flange focal distance of Canon FD mount.|
|S.S.C.||The Super Spectra Coating is applied to the surface of lens elements. It boosts light transmission, ensures sharp and high contrast images, minimizes ghosting and flares.|
|Position in the lineup|
|Canon FDn 17mm F/4||Dec 1979||⊗|
|Canon FD 17mm F/4 S.S.C.||Mar 1973||⊗|
|Canon FD 17mm F/4||Mar 1971||⊗|
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|Maximum format:||35mm full frame|
|Diagonal angle of view:||103.7° (35mm full frame)|
|Lens construction:||11 elements in 9 groups|
|Number of blades:||6|
|Closest focusing distance:||25 cm|
|Maximum diameter x Length:||Ø75 x 56 mm|
|Filter size:||72 mm|
Design and Features
In general, lenses of this class are of the fisheye type. This lens, however, is classified as a normal delineation type of super-wide-angle lens because its distortion is satisfactorily compensated. Since astigmatisrn compensation has been provided, average image delineation from the center to the corner areas is guaranteed. To prevent field curvature aberration which is likely to occur because of the flare in the lens center when shooting at close distance, the Floating System has been adopted. Therefore there is no added aberration during focusing. In spite of angle-of-view of 104 degrees, extremely sharp and clear pictures can be obtained throughout the entire focusing range.
The value of this optical feature is immediately evident in the very high quality of copy work that can be performed with this lens.
This lens can be attached to the camera body without fixing the mirror upward.
Alternatives (MF, 14..20 mm)
|Canon FD 17mm F/4||1971||⊗|
|Canon FDn 17mm F/4||1979||⊗|
|Cosina 20mm F/3.8 MC||⊗|
|Norita Kogaku Noritar 17mm F/4||⊗|