Canon FD lens hoods

AgX · Dec 12, 2015

Strange enough I never came them across loose (in rummage box etc.) only two or three mounted on lens. And I found their designation enigmatic.
Even more strange, I did not find them covered in Canon literature and broshures. Only within lens listings.

Here is what I made out of their coding:

First Type

1.) B [I guess "Bayonet"]

2.) 2 figures [filter-thread diameter as corresponding to bayonet size]

3.) W , S or T [Wide-angle- , Standard- or Tele-lens]

4.) A , B or C [at B 52 hoods: Focal lenght: 35 , 28 or 24mm resp.]

Second Type

1.) W [I guess "Wide-angle zoom"]

2.) 2 figures [front-barrel diameter]

3.) B [at one model: 35mm min. focal length]

Third Type

1.) EH [Extension Hood, to be put on built-in hood]

2.) 3 figures [diameter of built-in hood in mm it seems]

gorbas · Dec 12, 2015

Recently I was searching for lens hood for FD 1.4/50 but instead found BT-55, most likely for 85 or 100 canon FD lens with outside bayonet. It will work nicely with this lens on APS-C sensor

benjiboy · Dec 12, 2015

gorbas said:
Recently I was searching for lens hood for FD 1.4/50 but instead found BT-55, most likely for 85 or 100 canon FD lens with outside bayonet. It will work nicely with this lens on APS-C sensor

If your lens is a breech lock one you need the BS 55, if a FD n bayonet one a BS 52.

AgX · Dec 14, 2015

AgX said:
Second Type

1.) W [I guess "Wide-angle zoom"]

2.) 2 figures [front-barrel diameter]

3.) B [at one model: 35mm min. focal length]

I guess these are of the screw-clamp type like W-models of the pre-FD era.

gzhuang · Dec 14, 2015

If you use protective filters, just use clamp-on hoods?

AgX · Dec 14, 2015

I do see that connection between filters and clamp-on hoods.

Of course one can have preferences for whatever type of hood and how it is fastened.
The original Canon food for the standard lens for instance has as advantage against common stiff but also against the collapsible rubber ones to need not much space and likely to allow use of a ever-ready-case, for who likes those.

I have a variety of hoods in house use that which suits best the given situation.

benjiboy · Dec 14, 2015

The advantages of using the correct FD hoods for FD lenses are (1) they were designed for them optically (2) they bayonet mount on the outside of the lens so they can be used with a filter and not cause vignetting. and (3) they can mount on the lens in reverse which saves space in the camera bag and protects the lens.

gzhuang · Dec 14, 2015

Well, I've used Nikon F hoods on FD lenses and they reverse mount without a problem. Clamp-on hoods on polarizing filters are such a joy to use.

AgX · Dec 15, 2015

To my understanding the Nikon F hoods are classic screw-in stiff hoods.
How do you reverse mount them on a FD lens?

Andy38 · Dec 15, 2015

AgX said:
To my understanding the Nikon F hoods are classic screw-in stiff hoods.
How do you reverse mount them on a FD lens?

Try and you'll see it's possible...

AgX · Dec 15, 2015

Well, that is not a Nikon screw-in but a clamp-on hood. My search for F-hoods delivered screw-in ones.
Thank you. I'm ignorant on Nikon accessories. Never ever came across this hood either.

benjiboy · Nov 25, 2019

AgX said:
To my understanding the Nikon F hoods are classic screw-in stiff hoods.
How do you reverse mount them on a FD lens?

Your understanding is wrong, the majority of Nikon F hoods are clamp-on with two spring-loaded chrome studs on the side that you push to fit them to the lens, I can see how they could fit onto t an FD lens both forward and reverse if they were of a similar diameter.

Dennis-B · Nov 25, 2019

Here's a table for Canon's lenses. It lists the lens hood specifics.

http://web.mit.edu/dennis/www/canon/fd-lens-info.html

jtk · Nov 25, 2019

benjiboy said:
The advantages of using the correct FD hoods for FD lenses are (1) they were designed for them optically (2) they bayonet mount on the outside of the lens so they can be used with a filter and not cause vignetting. and (3) they can mount on the lens in reverse which saves space in the camera bag and protects the lens.

I found the FD hoods very good except for the nylon bayonet lugs, which wore out after a couple of years.

AgX · Nov 25, 2019

Thank you Dennis!
I made that thread to get/give an idea what a hood that by accident one comes across is made for.

Yes jtk, those elastic elements at the hood bayonets are shit.
Not Nylon, but likely the same stuff Canon made the joint covers and reflector trimmings from for their flashes from the EOS period. They all turned into a wax-like substance by now.
First thing I do when getting one of those in hand is disposing of this material. No loss for the flashes, aside from the reflector rim a litle bit more sharp edged than before. But for the hoods one must find a substitute once having poked-out that deteriorated stuff.

benjiboy · Nov 25, 2019

An easy way to replace the rubber nodules in Canon FD hoods is to dig out the remains of the old stuff and put a bit of black electrical insulation tape in them. It needs replacing occasionally but it's no problem.

Canon FD lens hoods

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