Information Library for Canon FD Lenses
Fisheye New FD 15mm f/2.8

 

Canon FD 15mm fisheye.jpg (26k)
The Fisheye New FD 15mm f/2.8 Lens

Known as the full-frame fisheye due to its ability to fill up the 24x36mm format, the performance of the FD 15mm f/2.8 is different to that of the 7.5mm fisheye or a conventional wide-angle lens.

The 15mm fisheye records a full-frame image on 35mm film as opposed to the circular image of the
7.5mm fisheye. While the circular fisheye has a 180° angle of view in all directions, the 15mm fisheye has a 180° angle of view only on the diagonal of the 35mm frame's image area of 24mm x 36mm. The 15mm full-frame fisheye also focuses from 0.2 meter (8 in.) to infinity.

This Canon FD 15 mm f/2.8 will create an impact of a fisheye lens with a full-frame image. Some of the major factors that this FD lens has over its competitions are; first, the remarkable fast speed of f2.8 makes it ideal for color photography under poor lighting conditions. Second, since the front element is strongly curve, its filters are of the built-in type which can be easily switched by rotating the filter ring on the lens barrel. There are four filters, Sky, Y3, 01 and R1 whereas most other full-frame fisheye lenses would require to attach the color filter at the back manually.

F-1 Pix by CY Leow.jpg
Pix by: CYLeow, photo editor of the Star newspaper. Lens: Canon 15mm fisheye.
Fisheye lenses have the tendency to bends straight lines, causing distortion deliberately, in order to create special effects. However, as with the 7.5mm fisheye, this distortion will be least evident at the center of the image area. Thus, looking for the correct image and how you aim or position the lens to record the scene is the key to mastering this lens. Although photography involves subjective judgment, just how you approach the use of the 15mm full-frame fisheye depends on your own personal view - but just use it with caution, if not negative results may arise. Anyway, things to note is to understand the properties and the optical characteristic of the lens.
< Sepang F-1 circuit, Kuala Lumpur.


On applications, a fisheye lens differs from an ordinary super wide-angle lens in at least one respect. While both lens types take in an enormous image area, super wide-angle lenses have been optically corrected to render straight lines as straight lines. As with Ultra-wideangle lenses, it yields deep depth of field which allows virtually even sharpness over the entire image area, its distortion characteristics can produce special effects. The key is to think more before you trip the shutter release button.

Tips: If the position of straight lines is at the center of the frame, they'll record without distortion. Raise or lower the camera-to-subject angle to shift the location of straight lines toward the edge of the frame and you'll add a barrel effect. Controlling angle and using your sense of composition results in making the most out of the fisheye lens. The lens also allows photographing subjects in the immediate foreground due to its close minimum focusing. Combining its distortion effect with extreme depth of field helps create unique images. Try combining it with flash photography which may also present some unusual potential for great images.

Fisheye FD 15mm f/2.8 Lens

The back focal distance is long for this lens, being 2.8 times its focal length. Thus, the entire field of view can be seen inside the finder, as in the case of ordinary lenses, without locking the camera's mirror up. Its great depth of field and extremely close minimum focusing distance of 0.2 meter offer considerable potential for close-up shooting. The lens' barrel extends in front of the lens to form a flower-shaped integral hood. The purpose of this hood is to shield the lens against stray light and to protect the lens' surface. The front element is strongly curved hence its filters are of the built-in type which can be easily switched by rotating the filter ring on the lens barrel. There are four filters, Sky, Y3, 01 and R1.


Canon FDn Fisheye 15mm f/2.8

15mm optic.gif (3k)

Specifications

Focal length: 15mm
Aperture ratio: 1:2.8
Lens construction: 9 groups, 10 elements
Coating: S.S.C. (super spectra coating)
Angle of view: 180 degrees in diagonal

Distance scale: (m) 0.2 (magnification 0.14X) to 3. (oo) (ft) 0.7 to 10.(oo)
Focusing: Helicoid Minimum aperture: f/22 -A
Diaphragm: Automatic
Filters: Built-in type (revolving, with click stops) Four filters: SKY, Y3, 01, R1
Hood: Built-in hood for dual purpose of protecting lens and keeping out stray light
Cap: Exclusive (29-9728)
Function: Auto aperture, full aperture metering (AE operation when used with all Canon AE SLR cameras.
Length x max. diameter: 60.5mm x 76mm
Weight: 460g

Older Version: Canon Fisheye Lens FD 15mm f/2.8 S.S.C.

Covers a diagonal angle of 180° and a full frame version of the fisheye lens with some very unique features on its own from lenses made by other competitions. Click Here to the dedicated page

15mm fisheye.jpg
Current autofocus version: EF 15mm f/2.8 Fisheye

Similar fisheye images with a 180° diagonal angle of view. Close focusing is possible to a distance of 0.2 m/0.7 ft. This lens uses rear drop-in type gelatin filters enabling creative filter work and precise color correction for indoor fluorescent lighting.

Quick data for reference: Focal length and maximum aperture: 15mmf/2.8; Lens construction: 8 elements in 7 groups; Angle of view: 180°; Focus adjustment: Overall linear extension system with AFD; Closest focusing distance: 0.2 m/0.7 ft; Filter size: Rear drop-in gelatin filter holder; Length x max. diameter, weight: 62.2mm x 73 mm, 330 g

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