UV/IR Filters and M9 - Advice Needed

[markpsf]

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I'm aware that a UV/IR filter is not needed for lenses with the M9. I have a couple though because I formerly used the M8.2.

 

I have two questions:

 

Will it be detrimental to use these filters with the M9?

 

Do you use a protective filter with your Leica lenses when using the M9?

 

Thanks.

 

 

Mark

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[jaapv]

1. On longer lenses than 35 (50) mm it is no more detrimental than any other filter.

2. Sometimes, when needed.

[markpsf]

Thanks.

 

What about for 35mm?

 

My three lenses are 28, 35, and 50mm.

 

And you also say "no more detrimental". Are you generally in the "skip a protective filter" camp?

 

Mark

[jaapv]

Yep- I am. I favor lens hoods and insurance The 35 you must just try, watch the color shift towards the corners.

[Ed_K]

According to Leica, those filters are bad idea for the M9, here's a screen capture from its manual :-

[jaapv]

" particularly using wideangle lenses" It is OK for longer focal lengths, even mandatory if you want to avoid the last vestiges of IR contamination.

[victoriapio]

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I can confirm what Jaap says about color shift on wide angles with the IR filter on the M9. On a 21 elmarit the corners take on a blue tint

 

O.C. Garza

[Shade]

No, I don't use the UvIRs on my M9, they create green blobs/reflections at night when there's light sources.. I can't be bothered taking them on and off all the time.

 

So I just screw on my uv filters.

[lars_bergquist]

The UV/IR filters made for trouble with light sources in the picture creating green reflections of themselves. No filter at all is theoretically best; Leitz used to say so, and the number of old Leica lenses which have cleaning marks on their front surfaces is amazing! There is no discernible disadvantage to using a UV filter, and it does protect that front surface. Leica lenses are still slightly more expensive than Leica filters ...

 

With lenses that are well protected by a rigid hood and a slip-on cap, I forgo filters. This also makes a polarizer faster to use -- no filter to remove first. With lenses with extendable or shallow hoods, I feel safer with a filter on them.

 

The old man from the Age of the Yellow Filter

[jpattison]

You feel safer!

I guess your lens does to!

 

Cheers,

John