Questions tagged [optical-coating]

An optical coating is one or more thin layers of material deposited on an optical component such as a lens or mirror, which alters the way in which the optic reflects and transmits light.

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5answers
17k views

What does a 'nano crystal coat' do on this lens?

The Nikkor 85mm f/1.4G AF-S has a 'Nano Crystal Coat'...what is that and why is it on most of their most expensive lenses? Obviously its a coating and some links seem to indicate it may increase ...
6
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2answers
2k views

Lenses and Filters: what do the terms Coating, Multi-Coating and Nano-Coating mean?

I see the word "Coating" in different questions (related to lenses and filters). What are Coating, Multi-Coating, and Nano-Coating?
5
votes
2answers
931 views

How durable are external lens coatings?

After reviewing some recent pictures, I was a little bit concerned that the image quality of the first lens that I bought (a Pentax FA 35mm f2.0 AL), because back then I was obsessed with keeping the ...
4
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3answers
959 views

Does white balance totally correct color shift due to lens glass or coating?

I'm about to create custom profiles for my camera and in order to do so I need to shoot pictures of color reference card. I don't really understand the impact of the lens I choose to create the ...
1
vote
2answers
259 views

Why does Canon have Two Kinds of Nanotech Lens Coatings?

Nikon has a single Nano Crystal Coating, while Canon has not only an equivalent coating (Sub Wavelength Coating), but they also have an Air Sphere coating which seems to do much the same thing. Why ...
5
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2answers
2k views

Is Fujifilm's "Super EBC" a modern nanocoating?

In the Luminous Landscape review of the Fuji X-Pro1, Nick Devlin notes: ... how else could one read the “Super EBC” labelling on the lens other than as a nod to the company’s [Range Finder] past. ...