Looking for 4mm Glass-filter-holder set (100mm)

E

Ed Ding

Member
Ed Ding said:
I look desperately for a 4mm glass-filter (100x100mm) set, that can be easily and fast switched between optics.
I want to use it for ND filters and also for gradual ND-filters.
[..]
I can only find something from formatt-hitech, but that looks flimsy and cumbersome.
Click to expand...
1) Best thing I can see, is a proper clamp-on mattebox. The most cheaper one is certainly the Cavision MB410H-2A, and it is available on their website at a discounted price. In that price range, for use directly clamp'd on the lens, you won't find any cheaper, except maybe for 58/72mm round screw filters.
2) As for the filters, I recommend you to check out their set of filters. Entry-levels, but glass filters with a very minimal color cast (imho, it's almost not visible).
3) As for the Formatt holder, it looks quite like a Cokin set, but for 4x4 glass filters. I'm not sure neither.
 
Thank you for this link, that looks not too bad!

I already own 3 NiSi IRND Filters 4x4 inch that's why :)
I can see the above mattebox would work, but what I cannot see from the picture is: how does it clamp to a lens and what is the minimum diamter? Also I fear the mattebox will cause vignetting on wide angle lenses.

The best thing would be that clamp-on-filter-holder without any mattebox?!
 
IMG_0511.jpg
I seldom use it, but I made this hood out of strong cardboard and secure it with velcro on the back. It folds up flat and generally sits in my bag. I have a Matte Box and never use it any more.
 
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