What does FD stand for Canon?

What does FD stand for Canon?

FD stands for Fully automatic Diaphragm. They were introduced with the FTb which I had in the 70’s (?) and were the first Canon lenses to stop down automatically when you fired the shutter.

Is Canon FD 50mm 1.8 Radioactive?

Re: Canon FDn 50mm f1. 4 – is one of those radioactive legacy lenses? It’s not, but, you shouldn’t “worry” about radioactive lenses anyway. They’re not dangerous to use and they’re relatively easy to clear if they get yellowed.

Do FD lenses fit on Eos?

Interchangeable lens fundamentals This is basically a set of lenses designed to work with a set of cameras. For instance, Canon FD lenses work on Canon FD cameras, Canon EF lenses work on Canon EOS cameras and Canon EF-M lenses work on Canon EOS M cameras.

Are old camera lenses radioactive?

Some lenses produced from the 1940s through the 1970s were treated with radioactive thorium oxide to curb chromatic aberration. But as Andrew Walker explains in this 7.5-minute video, modern digital cameras can actually “see” that radiation as image noise that has the potential ruin your long exposures.

What are radioactive lenses?

Thoriated glass is a glass material used in the manufacture of optical systems, specifically photographic lenses. It is useful to this process due to its high refractive index. Thoriated glass is radioactive due to the inclusion of thorium dioxide, oxide of radioactive element thorium.

Is canon FDN 50mm f 1 2 good?

Canon New FD 50mm 1:1.2 (Canon FDn 50mm f:1.2) – overall conclusion This Canon New FD is a very popular and well known manual F1.2 lens – not expensive and shows nice IQ among other ultra-fast lenses around 50mm. I don’t need to speak many – diagrams with results of tests are enough to get an understanding of this lens possibilities.

What are the specs of a Canon 50mm F1 2 L?

Canon 50mm f/1.2 L FD Aspherical (1980-1988) Intro Specs Performance Recommendations More Canon 50mm f/1.2 L (FD mount, 52mm filters, 13.3 oz./377g, 1.6’/0.5m close focus, about $700 used). enlarge.

How much does a Canon 50mm lens cost?

Intro Specs Performance Recommendations More Canon 50mm f/1.2 L (FD mount, 52mm filters, 13.3 oz./377g, 1.6’/0.5m close focus, about $700 used). enlarge.

What is the best 50mm manual focus lens?

This Canon 50mm f/1.2 L Aspherical Floating-Element lens is the most optically advanced 50mm manual-focus lens ever sold anywhere. It’s got more technology in it than anything from Nikon or LEICA, who have never put aspherics and floating elements in any of their 50mm f/1.2 lenses.