In article . com,
Dave wrote:

should i buy "Multicoated" lens covers (i believe a.k.a. Neutral
Density Glass Filters)? has anyone used them?

Not quite. neutral density filters are gray, not clear. A MC Protection
filter should be clear glass with no hint of a yellow, salmon, gray or
any other color or tone. An example of one is the Heliopan SH-PMC
Protection filter.

UV, Skylight, Haze and ND filters are not clear glass protection
filters. Although they can all be used as one.

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