Sigma 85 f/1.4 HSM [CR1] « Canon Rumors

Effect of optical coatings of different efficiency with multiple coats on the left, no coating on the right. Image courtesy C. V. Melles Griot

All About Lens Coatings

The most important part of your lens

"Reflections on reflections. Coatings: The Most Important Part of Your Lens"

The first SLR zoom lens, circa 1959.

Lens Genealogy

Where did your lens come from?

Some interesting truths about where your shiny new L lens may have come from.

The BIG FD Family

FD & FL Lenses on your EF Body

The process of making lens adaptors.

Adapting your FD and FL lenses to work on your EOS body.

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How To Test a Lens

an indepth guide.

Roger breaks down how to test a camera lens.

Price Watch:

Sigma 85 f/1.4 HSM [CR1]

Sweet
It doesn’t have to be all Canon!

I received an email today saying Sigma would be introducing an 85mm f/1.4 this fall season. The 50 f/1.4 has been a smashing success for Sigma and this such lens would do extremely well.

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