Vivitar Teleconverter FD/FL Mount f1.4

Itchybiscuit

Photon Mangler
Joined
Dec 10, 2013
Messages
511
Location
Glasgow, Scotland
Real Name
Ivor
Hi guys,

I picked up this even though I don't have a Canon or Canon/m4/3 adapter!

My magpie eye fixated on the f1.4 aperture setting but I don't really know what this means exactly. It was bought as part of a huge job lot and I was wondering if anyone here has any information on whether this particular beastie is either 'good' or 'bad'? Is it a useful thing? Is it even something which folk might want?

I remain clueless.

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Thanks in advance for any and all info. :thumbup:
 

Cruzan80

Mu-43 All-Pro
Joined
Aug 23, 2012
Messages
1,107
Location
Denver, Co
Real Name
Sean Rastsmith
The 4 in the code is the part that stands for FD/FL (yes, I know it is printed as well). A 2x-5 is Minolta's SR mount, etc. I don't think these had any kind of aperture control, the dial was just to give you an idea of what your working aperture actually was (2x the aperture on the lens). I know on some Minolta cameras they had a small prism to "look down" onto the aperture thru the viewing window. Maybe it lined up with the same on an FD camera?
 

Itchybiscuit

Photon Mangler
Joined
Dec 10, 2013
Messages
511
Location
Glasgow, Scotland
Real Name
Ivor
The 4 in the code is the part that stands for FD/FL (yes, I know it is printed as well). A 2x-5 is Minolta's SR mount, etc. I don't think these had any kind of aperture control, the dial was just to give you an idea of what your working aperture actually was (2x the aperture on the lens). I know on some Minolta cameras they had a small prism to "look down" onto the aperture thru the viewing window. Maybe it lined up with the same on an FD camera?
Thanks for that. I just had a fiddle and noticed that the small window below the 'aperture ring' has an f-stop reading which is always 2 stops above the reading on the 'ring'. So while it says f1.4 on the ring, it reads f2.8 in the 'window' as per the photograph. As I turn it it changes the f-stop reading in the wee 'window'.

Good stuff to know. I never really used teleconverters in my film days and never got near Canon cameras - far too expensive here in the UK!
 
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