jurgen Posted September 15, 2014 Share Posted September 15, 2014 FWIW, the B&H spec listing on the LX100 lists it as both 30p and 24p for 4K. Quote Link to comment Share on other sites More sharing options...
mickachiste Posted September 16, 2014 Share Posted September 16, 2014 But after all, the nd filter is only needed for the photography, not for video use ? Am I wrong ? Quote Link to comment Share on other sites More sharing options...
Cinegain Posted September 16, 2014 Share Posted September 16, 2014 But after all, the nd filter is only needed for the photography, not for video use ? Am I wrong ? Eh. Then how would you go about shooting in broad daylight, low ISO and wanting to have a shallow depth of field? You're not gonna want to shoot at 1/1000th of a second or something. You can't change any more camerasettings. You're already shooting lowest ISO, you have set the aperture you want for depth of field, shutterspeed for motion blur, the only thing you can influence is stopping down the light by introducing ND filters. I had gotten some CPL and ND filters for the GH2 kit with original 14-140mm back in the day, which as well has the 62mm threadsize (later version of the 14-140mm is 58mm), so I can just throw those on there. Works fine. Quote Link to comment Share on other sites More sharing options...
leeys Posted September 17, 2014 Share Posted September 17, 2014 As Cinegain says, you actually need the ND filter even MORE for videography. You can use 1/4000 for stills, not so for videos unless you want some radical new look. Quote Link to comment Share on other sites More sharing options...
mickachiste Posted September 17, 2014 Share Posted September 17, 2014 Ok thanks for your help. But first of all I need a polarized filter (for surfing movies...). So is there any way to add a polarized filter to an ND filter ? Quote Link to comment Share on other sites More sharing options...
Cinegain Posted September 17, 2014 Share Posted September 17, 2014 Sure. You can stack filters all you want, they are double threaded. Just place the ND('s) first, then add the PL to the front. Quote Link to comment Share on other sites More sharing options...
fuzzynormal Posted September 18, 2014 Share Posted September 18, 2014 Man, I'd love to shoot this for a particular client I have. Thing is, they demand 60fps video. Still waiting for it on 4K...otherwise, this would be the ideal product for their jobs. Quote Link to comment Share on other sites More sharing options...
Nick Hughes Posted September 19, 2014 Share Posted September 19, 2014 Sure. You can stack filters all you want, they are double threaded. Just place the ND('s) first, then add the PL to the front. Just note that stacking filters comes with a compromise in image quality, especially if using cheaper filters. Quote Link to comment Share on other sites More sharing options...
andy lee Posted September 19, 2014 Share Posted September 19, 2014 you can stack Tiffen NDs with absolutely no issues - they do this on Hollywood films in industy practice . its the only way if you want to shoot outside in daylight like I do at f2.8 wide open - sometimes I need ND 24 + to get the correct exposure , they only way to do it is with ND 16 +ND8 stacked ....it works Quote Link to comment Share on other sites More sharing options...
bluefonia Posted September 19, 2014 Share Posted September 19, 2014 I know some people, - among them Andy :-), - don´t like vari ND´s. If you are in a controlled and/or studio shooting environment where matte boxes fits the workflow, I´m sure fixed/stacked filters might be the number one. In my workflow, - more run and gun, - stackable ND´s are not convenient. I have the latest edition of Genustech Eclipse vari ND and it gives me everything I want. There may be a little colorcast, but it is easily solved with a bit of CC in editing and I ´m pretty sure you have to deal with the same issues with most stacked ND¨s. andy lee 1 Quote Link to comment Share on other sites More sharing options...
Cinegain Posted September 20, 2014 Share Posted September 20, 2014 Just the other day Caleb talked about this ;) : ~ http://dslrvideoshooter.com/filters-video-part-filter-types-uses/ andy lee 1 Quote Link to comment Share on other sites More sharing options...
andy lee Posted September 20, 2014 Share Posted September 20, 2014 nice video - he's repeating what I have been saying for years - use hard NDs as vari NDs suck in my opinion!! they mess with your image too much for my liking so I never use them Tiffen hard NDs are the best in my opinion worth the money for sure . with ND 2, 4, 8 and 16 you have it all covered Quote Link to comment Share on other sites More sharing options...
JohnVid Posted September 27, 2014 Share Posted September 27, 2014 Dont forget if you use 2 polarizerz you can cut your light down to nothing. Quote Link to comment Share on other sites More sharing options...
andy lee Posted September 27, 2014 Share Posted September 27, 2014 2 polarizers = a vari ND its the same thing thats what a vari ND is , it's just 2 polarizers rotating against each other. Quote Link to comment Share on other sites More sharing options...
leeys Posted September 28, 2014 Share Posted September 28, 2014 I believe you need to use a linear and a circular together for that to work. Quote Link to comment Share on other sites More sharing options...
JohnVid Posted September 29, 2014 Share Posted September 29, 2014 Yup and it's a great pity I didn't start making & selling them years ago, how much could I have made in the last 30yrs? 2 linears will do it me thinks andy lee 1 Quote Link to comment Share on other sites More sharing options...
andy lee Posted September 29, 2014 Share Posted September 29, 2014 yes and they screw with your image as you rotate them , yes it knocks off light but it also alters the way light falls on the objects, particularly shiny objects in your image as you rotate it , so there is no uniformity to shots at one setting and shots at a different setting , plus it induces lots of nasty atrifacts and fringing so I never use vari Nds !!! Quote Link to comment Share on other sites More sharing options...
Jacek Posted September 30, 2014 Share Posted September 30, 2014 yes and they screw with your image as you rotate them , yes it knocks off light but it also alters the way light falls on the objects, particularly shiny objects in your image as you rotate it , so there is no uniformity to shots at one setting and shots at a different setting , plus it induces lots of nasty atrifacts and fringing so I never use vari Nds !!! But using one fixed, non-rotating polarizer is ok i think? Quote Link to comment Share on other sites More sharing options...
andy lee Posted September 30, 2014 Share Posted September 30, 2014 I use a Tiffen 4x4 non rotating polarizer in my arri matte box for shots that have glass in them, like filming through a window to remove the glare http://www.tiffen.com/displayproduct.html?tablename=filters&itemnum=44POL Quote Link to comment Share on other sites More sharing options...
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