Canon Rangefinder (RF) 19mm f/3.5 / Canon 25mm f/3.5 ultra-wideangle lenses - Image Library

 


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Canon Rangefinder (RF) 19mm f/3.5 ultrawideange lens

Basic Spec Sheet:
Marketed: 1964
Optical Construction: 9 elements in 7 groups
Diaphragm Blades:- 6
Minimum Aperture:- 16
Closest Focusing Distance: 0.5m
Filter attachment size: 55mm
Dimension:- 58.6mm x 30.5mm
Weight:- 200g

Canon rangefinder version 19mm f/3.5 ultrawideangle lens with finder

Rear section lens mount of Canon rangefinder version 19mm f/3.5 ultrawideangle lens with 19mm optical finder

RF Canon 19mm f/3.5 Rangefinder ultrawideangle lens with original Canon 19mm optical Finder

RF Canon 19mm f/3.5 Rangefinder ultrawideangle lens rear metal lens mount view
Credit: Images above and left courtesy of Mr. Peter Coeln from LEICA Shop®, Austria who also operates a popular Westlicht Auction House. Image Copyright © 2008. All rights reserved. Please respect the visual property of the contributing photographer.

CANON RF 19mm f/3.5 rangefinder ultrawideangle lens
CANON RF 19mm f/3.5 rangefinder ultrawideangle lens front view
CANON RF 19mm f/3.5 rangefinder ultrawideangle lens side view
CANON RF 19mm f/3.5 rangefinder ultrawideangle lens rear lens section

Canon 25mm f/3.5 rangefinder version

Basic Spec Sheet:
Marketed: 1956
Optical Construction: 5 elements in 3 groups
Diaphragm Blades:- 6
Minimum Aperture:- f/22
Closest Focusing Distance: 1m
Filter attachment size: 40mm
Dimension:- 48mm x 15mm
Weight:- 145g

" ... A super wide angle lens with a diagonal angle of view 82°, developed based on Topogon (manufactured by Carl Zeiss, Germany. Angle of view: 100°. f/6.3). This lens has a unique optical system: a spherical lens element with a very high refraction index is used as the first lens element and a special optical glass lens element with the infinite radius of curvature is used as the rear most lens element. This lens was the fastest lens in the world as a 25mm lens at the time...." Ref: Canon Museum



Canon 3.5/25 Canon lens set very nice 25mm Canon lens with original 25mm Canon finder, caps
Canon Rangefinder 25mm f/3.5 wideangle lens FRONT VIEW
Canon Rangefinder 25mm f/3.5 wideangle lens side VIEW
Canon Rangefinder 25mm f/3.5 wideangle lens Side section VIEW

NOTE: You may also check the page on series of very well captured
photos taken by Brian Edwards for purpose of this site on his
Canon RF 28mm f/3.5 wideangle lens for rangefinder Canon
it will open a new browser window to Brian's section

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Credit: All images (lens hood, Optical Finder and rear/side views below) herein courtesy of Mr. Kelvin from his popular gokelvincameras@Ebay Store which retails for many hard-to-find Nikon, canon, Leica, Contax and other collectible oldies. All images Copyright © 2008. All rights reserved.

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