Canon FD Resources - Telephoto lenses
New Reflex Mirror Lens 500mm f/8 & New FD 500mm f/4.5
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There are two FD-mount lenses at the 500mm focal length for you to consider purchasing. One is a traditional super telephoto lens (FD-type) with variable aperture values from f4.5 to f32 for depth of field control while the other was a fixed aperture CAT (catadioptric) lens that uses the proven FL/FD breech lock mount but needs Stopped-down metering for exposure measurement. (Generally referred as a 500mm f8 mirror lens).
Credit: Images courtesy of Emanue® with a Ebay ID as "camera$" <emanue20@pactbell.net> with his popular Ebay Store. All images appeared herein are Copyright © 2005. All rights reserved. Please respect the visual property of the contributing photographer.

Characteristics and Their Use

A 500mm focal length lens can be considered challenging to use. Its 5° angle-of-view encloses the subject tightly within the 35mm frame. With most images taken closer than infinity, only the area on which you focus will be sharp. Sharpness in front of and behind the main point of focus falls off quickly. The effect, while isolating the main subject, can be almost surrealistic; however, as camera-to-subject distance increases, so does depth of field. Surprisingly, the 500mm lenses are lightweight enough to be used for handheld photography, especially motorsports where professional photographers used them for panning shots. A monopod, however, is essential when the light level has fallen below the handholdable shutter speeds - in this case, below 1/250 sec. If you need to use smaller apertures for capturing wildlife, scenery or landscapes, a sturdy tripod is recommended.

Precise focusing is almost a must in order to use this lens. Since this lens is often used for shooting action or isolating a subject in wildlife or high action sports photography, prefocusing can be especially advantageous.

Repsol..Honda.jpg (45k) Loading...


<<<<<-----A Yearly gathering spot International Sport photographers here at Kuala Lumpur is to cover the World 125, 250 and 500 c.c. Championship and also the World Formula 1 at the Sepang F-1 Circuit.

Malaysian GP, 1999
Pix: © 1999, Vincent Thian, an AP photographer. (The Associated Press)

Pix: Japanese 500cc rider Tadayuki Okada of Team Repsol-Honda in 1999 colors

As there is no clear definition or restriction of how the lens should be used, interestingly enough, the 500mm can be used as a portrait lens. However, one important portrait technique that you must keep in mind is to focus precisely and maintain stability at all time. The 500mm is also an unusual landscape lens, particularly when dealing with horizons or mountains. The compressed perspective of this focal length results in spectacular images.

The Reflex 500mm f/8

There are two Canon 500mm lenses. One is the conventionally designed FD 500mm f/4.5L which boasts of truly excellent performance, employing both fluorite and UD glass. The other is the Reflex 500mm f/8 with a catadioptric design. The image first strikes a mirror and is reflected forward to a second mirror and group of lenses. The second group reflects the image back through an opening in the first mirror to the film.

Reflex Path.jpg
The great advantage of this type of lens is size. Designers can create a lens half the size of its conventionally designed counterpart using the mirror concept. However, the reflex-type lens is restricted to a single aperture; you control exposure with shutter speed or a neutral density filter.

One of the more interesting results of the catadioptric design is its weight that is only one-third that of a conventional refractive design. Next is the shape of out-of-focus highlights which takes on a doughnut or ring appearance that you can effectively incorporate into the overall picture. With a 500mm lens, it is important to anticipate the action and pre-focus. Because of the extremely narrower angle of view, coupled with the darker viewfinder image due to the single aperture f/8, framing and manual focusing on the action as it actually happens is difficult.

Chart.jpg

Comparison of the FD 500mm f/4 5L and the Reflex 500mm f/8

Lenses

Overall Length

Telephoto Ratio

Weight

FD 500mm f/4.5L

395mm

0.790

2,610g

Reflex 500 f8

148mm

0.292

705g




emanueFD500mmf4D.jpg
New FD 500mm f/4.5L Lens

This wide aperture lens derives its high performance characteristics using a UD glass element and fluorite crystals artificially grown to suitable sizes (for use in photographic lenses).
Credit: Images courtesy of Emanue® with a Ebay ID as "camera$" <emanue20@pactbell.net> with his popular Ebay Store. All images appeared herein are Copyright © 2005. All rights reserved. Please respect the visual property of the contributing photographer.

Like most lenses that uses low dispersion properties glass elements in their design, color correction is so thorough with this 500mm lens that compensation is not required even with infrared film. The telephoto ratio is also only 0.79. Rear-group focusing and Vari-pitch focusing system result in both good portability and superior operational performance. Additional features the user will find convenient include a built-in tripod holder, new one-touch revolving mechanism, and a provision to facilitate prefocusing.

Click Here to the dedicated pages for older version of the 500mm FD telephoto lens

Specification:

Focal length: 500mm
Aperture ratio: 1:4.5
L

Lens construction: 6 groups 7 elements (including 1 protective glass, 1 Fluorite (rendered in dark blue element and light green for UD - see illustration at left) and 1 UD glass)
Coating: S.S.C (super spectra coating)

Angle of view: Diagonal: 5° Vertical: 2° 45' Horizontal: 4°
emanueFD500mmf4A.jpg
Credit: Images courtesy of Emanue® with a Ebay ID as "camera$" <emanue20@pactbell.net> with his popular Ebay Store. All images appeared herein are Copyright © 2005. All rights reserved. Please respect the visual property of the contributing photographer.
emanueFD500mmf4C.jpg
Distance Scale: (m) 5 (photographic magnification 0.14X) to 50 (With preset focus ring) (ft) 20 to 200.OO . Preset focus mechanism
Focusing: Rear-group focusing
Minimum aperture: f/32* Large size aperture ring with numerals in two places.
Diaphragm: Automatic

Filter Type. Rear section filter holder, drop-in type (with 48mm exclusive filter. Regular 1X) Hood: Built-in type. Extension hood can be attached Tripod holder: Built-in type
Cap: Exclusive (CF-2-0345) Function: Auto Aperture, Full aperture metering (AE operation when used with ALL Canon automatic SLR cameras.
Length x max. diameter: 395mm x 128mm Weight: 2,610g




CanonFD500mmf8.jpg by Neekon
New Reflex 500mm f/8 Lens

This lens employs the catadioptric system which is a combination of reflex mirror and lens. Its overall length is 146mm and it weighs only 705 grams (compared with 500mm f4.5 version's 2,610g!). This weight is equivalent to that of an ordinary 200mm lens, revealing how compact this 500mm telephoto lens is.

You can also referred a CAT lens as a poor man's high performance 'L' lens with UD glass - as the optical light path is '"folded"and the color correction is not necessary and common aberration such as chromatic aberration does not exhibit in such optical design. Thus, even with infrared film, no compensation is required too. Furthermore, the lens shape and composition has also been improved with spherical aberration and astigmatism that normally arise from the reflex mirror optical system, are corrected.

FDreflex500_CameradollarC.jpg FDreflex500_CameradollarB.jpg

Credit: Image courtesy of camera$@EBAY®. He also operates a popular Ebay Store where he often lists many used RARE pieces of Niko, Leica and other old classic photo equipment, Images are also well taken for visual confirmation for buyers - he is also one of my favourite bookmarked Ebay dealer. Image copyright © 2006. All rights reserved. Please respect the visual property of the contributing photographer.

The front group focusing system is incorporated to shorten the closest shooting distance and to control aberrations which arise from changing the focusing distance. Drop-in type filter with a holder is used and the filter can be replaced without having to remove the lens from the camera, a unique feature for the 500mm mirror lens. I am not so sure whether it comes with the five color correction and neutral density filters come with the package with this lens (Should be, as the other manufacturers offer the same). So, it is better to double check this especially when you intend to purchase one from the used market.

Specification:

Focal length: 500mm
Aperture ratio: 1:8
Lens construction: 3 groups, 6 elements (including mirror)
Coating: S.S.C (super spectra coating)
Angle of view: Diagonal: 5° Vertical: 2° 45' Horizontal: 4°

Distance Scale: (m) 4 (magnification 0.14X) to 50.OO (ft) 15 to 200 oo
Focusing: Revolving helicoid
Minimum aperture: Fixed at f/8. ND filter is used for adjusting light volume. No depth of field scale.
Diaphragm: Automatic
Filter Type. Rear section filter holder, drop-in type (with 34mm exclusive filter. Regular 1X)
Hood: Built-in type.
Cap: S-83 (CA2-0698)
Function: Auto Aperture, Full aperture metering (AE operation when used with ALL Canon automatic SLR cameras)
Length x max. diameter: 146mm x 90mm
Weight: 710g


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