wa666ou Posted November 22, 2018 Share Posted November 22, 2018 I searched the forum, but could not find a topic about the filters. I am interested in 4x4 (100x100mm) filters to use with a matte box. For photography, I'm using circular variable ND 10 stop and it's very good. It can be used for video, when not using a matte box. So, in sunny conditions to shoot at 1/48 at F/T 1.4-2 I have to use that 10 stops I guess. I'd love to shoot some wide open in daylight, meaning I probably need ND1000? I can stack 2 filters, but would rather use one, to get the best image quality. What do you guys use? Quote Link to comment Share on other sites More sharing options...
Yurolov Posted November 22, 2018 Share Posted November 22, 2018 I use Lee pro-glass cine IRND 4x4. I also have tiffen grad nds which have a color cast to them at higher stops. I would not recommend tiffen personally. The Lee filters dont have any perceivable color shift as far as I can tell in my grades, so I would recommend those. thephoenix 1 Quote Link to comment Share on other sites More sharing options...
wa666ou Posted November 22, 2018 Author Share Posted November 22, 2018 Thanks. But which filters do I need? For example, I'm shooting with Fuji X-H1, F-log (ISO800), F1.4. Could ND1000 be close enough or do I need to stack them more? Of course, it's difficult to say exactly, it really depends on light. But generally speaking, which filters should I be looking? Quote Link to comment Share on other sites More sharing options...
thephoenix Posted November 22, 2018 Share Posted November 22, 2018 the answer is in your question. how do you want us to know in what light iso lens and so on conditions you are gonna shoot. basicaly you need a set of nd filters, not only one do it all except if it is variable Quote Link to comment Share on other sites More sharing options...
wa666ou Posted November 22, 2018 Author Share Posted November 22, 2018 Yeah. Are there variable NDs that can be used with matte box? Quote Link to comment Share on other sites More sharing options...
seanzzxx Posted November 22, 2018 Share Posted November 22, 2018 I use NISI IRND. They're awesome, more affordable than the Lee's and have, so far as I can tell, almost no color cast. Their holder also has a 82mm (I think) screw-in thread so you can add circular filters. Quote Link to comment Share on other sites More sharing options...
Raafi Rivero Posted November 22, 2018 Share Posted November 22, 2018 3 hours ago, wa666ou said: Yeah. Are there variable NDs that can be used with matte box? Most variable NDs are just two polarizers that rotate. When they line up and let the most light through then they’re at minimum. That’s why you get those weird star shaped artifacts in the bokeh when you’re stopped down a ton on a vari-ND and your lens is wide open. To get vari-ND on a matte box you need at least two stages and one stage has to be able to rotate. You should be able to drop in two polarizers and replicate the same effect. This is optically inferior to simply dropping in a single filter with the amount of ND you need, but it works. If you wanted to add a grad filter to a setup like that you’d need a three stage matte box. There is one manufacturer, I can’t remember who (can anyone help?), that made a two stage matte box with a third stage that supports a circular vari-ND so that you can use your existing ND closest to the lens and had two standard 4x4 trays for whatever else you want to add. Quote Link to comment Share on other sites More sharing options...
webrunner5 Posted November 22, 2018 Share Posted November 22, 2018 You have to win the Lotto to buy it, but here is one. https://www.abelcine.com/buy/lenses-accessories/mattebox-components/bright-tangerine-misfit-mattebox-and-tiffen-138mm-variable-nd-promo-kit Raafi Rivero 1 Quote Link to comment Share on other sites More sharing options...
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