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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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2answers
161 views

Do nano coatings actually make a difference?

Nikon famously has "nano coatings" on it's higher ended lens, and many photographers online swear that this visibly improves their images. However, it's not clear what the actual improvement is ...
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3answers
134 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 ...
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vote
1answer
717 views

How does the Dell U2412M monitor compare to the U2515H with respect to its coating?

I am looking for information comparing the coating of the Dell U2412M vs. the more recent Dell U2515H. From the information I could gather so far it seems the Dell U2412M has the same coating as the ...
5
votes
2answers
284 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 ...
3
votes
1answer
243 views

What are the difference in multi coatings of old lens like m42 lens and modern lens like canon EF-S?

I have some old m42 prime lens like Pentacon Multi-Coated f/2.8 135mm, and modern lens Canon EF-S 18-55 mm and Sigma 70-300 mm. How much is the difference in the multi-coatings of old and modern ...
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1answer
1k views

What is Canon's Super Spectra Coating?

In the Canon EF 25-105mm f/4 L USM IS lens specs, it says that the lens coating is "Super Spectra Coating". What is the Super Spectra Coating and how it differs from other types of coating?
6
votes
2answers
448 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?
3
votes
1answer
214 views

What are the benefits of a multi-coated CP filter over a regular CP filter?

I would like to purchase CP filters for at least 2 of my lenses. I can go with either the lower cost regular CP filter or the HMC Multi-Coated CP filter. THe multi-coated filter is almost double the ...
5
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2answers
921 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. ...
25
votes
5answers
8k 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 ...
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3answers
7k views

What are the real-life benefits of B+W's MRC?

My 24-105L is in the mail, and I'm looking for a filter to protect the front element. I've decided to go with B+W since they seem to have the best quality to match my L lens. I've narrowed it down to ...