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Canon FD 135 mm lens

From Wikipedia, the free encyclopedia
The Canon FD 135mm f/3.5 S.C. (I) lens

Several different models of Canon FD 135 mm lenses were produced by Canon Inc. for the Canon FD lens mount. Two were produced in the original "Old FD" style with a silver locking ring for the breech lock mount at the base, while three models were produced as "New FD" lenses where the entire lens barrel rotated to lock the lens in place.

"Old" FD lenses

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  • 135 mm f/2.5: introduced in 1971 as one of the first lenses in the new Canon FD mount. Like all of the very early Canon FD lenses, it does not indicate the type of coating on the front lens ring. All lenses from 1971 (indeed, from the very early 1950s forward) were coated in one form or another.[1]
  • 135 mm f/2.5 S.C.: The marking for Spectra Coating (SC) was added in 1973.[2]
  • 135 mm f/3.5:[3]
  • 135 mm f/3.5 S.C. (I):[4]
  • 135 mm f/3.5 S.C. (II):[5]

New FD lenses

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  • 135 mm f/2.0
  • 135 mm f/2.8
  • 135 mm f/3.5

Specifications

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FD New FD
Attribute f/2.5 f/2.5 S.C. f/3.5 f/3.5 S.C. (I) f/3.5 S.C. (II) f/2 f/2.8 f/3.5
Coating S.C.(unmarked) S.C. S.C.(unmarked) S.C. S.C. S.S.C. S.S.C. S.S.C.
Maximum aperture 2.5 2.5 3.5 3.5 3.5 2 2.8 3.5
Minimum aperture 22 22 22 22 22 32 32 32
Weight 670 g 630 g 480 g 465 g 385 g 670 g 395 g 325 g
Length 91 mm 91 mm 83 mm 83 mm 85 mm 90.4 mm 78 mm 85 mm
Maximum diameter 69 mm 69 mm 66 mm 66 mm 66 mm 78 mm 63 mm 63 mm
Filter diameter 58 mm 58 mm 55 mm 55 mm 55 mm 72 mm 52 mm 52 mm
Groups/Elements 5/6 5/6 3/4 3/4 4/4 5/6 5/6 4/4
# of diaphragm blades 8 8 8 8 6 8 8 6
Closest focusing distance 1.5 m 1.5 m 1.5 m 1.5 m 1.5 m 1.3 m 1.3 m 1.3 m
Release date March 1971 March 1973 July 1970 March 1973 November 1976 May 1980 June 1979 June 1979

References

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  1. ^ Canon Inc. "FD135mm f/2.5". Canon Camera Museum.
  2. ^ Canon Inc. "FD135mm f/2.5 S.C." Canon Camera Museum.
  3. ^ Canon Inc. "FD135mm f/3.5". Canon Camera Museum.
  4. ^ Canon Inc. "FD135mm f/3.5 S.C. (I)". Canon Camera Museum.
  5. ^ Canon Inc. "FD135mm f/3.5 S.C. (II)". Canon Camera Museum.