Nd Neutral Density

How To : Use neutral density or ND filters

Photography is a fast growing hobby with the relative drop in prices of high grade equipment. The use of different filters in photography is a very common thing, and different filters have very different uses. The neutral density (ND) filter reduces the amount of light reachin ...more

How To : Use gain and neutral density on a video camera

A common problem when shooting in low-light situations is that even if you open your lens to its lowest f-stop number, you're left with an image that's far too dark. One obvious remedy is to add more light. But what if you don't have more lights available to you? That's where ...more

How To : Use neutral density gels to change light intensity

The SubStream's "Film Lab" provides valuable information for filmmakers, specifically cinematographers and gaffers, on how to use neutral density gels. Gels are used to change the quality or color of the light in a scene. Gels can come in many different sizes: they can extrem ...more

How To : Shoot Day for Night

Day for Night courtesy of Videomaker.com Those 3 Words We Love to Hear, Day for Night (DFN). What better three words could a director ask to hear? No huge generators, no freezing temperatures, no vampire-style living... what's not to love? Are you perplexed? Well, long ago, ...more

How To : Setup Rembrandt lighting for a film shoot

This is The Substream's "The Film Lab" series on lighting basics. This episode covers Rembrandt Lighting. Mike and Rajo teach you how to light like an old dead Dutch dude (who was really good at lighting dudes, to be fair). This is a common drama lighting. This is Rembrandt ...more

How To : Use film diffusion gels to change light beam shape

This video is geared toward filmmakers, specifically cinematographers and gaffers, on what diffusion gels are and when to use them on a film set. This is a part of The SubStream's "Film Lab". Diffusion doesn't change the color of light, in general, although there are some col ...more

How To : Shoot Clouds Like a Pro

Giveaway Tuesdays has officially ended! But don't sweat it, WonderHowTo has another World that's taken its place. Every Tuesday, Phone Snap! invites you to show off your cell phone photography skills. Submit your best shot to our weekly competition for a chance to win an awes ...more

News : What Happens When You Mix Coca Cola and Milk

Interesting reaction coke and milk The reaction of phosphoric acid (V) to proteins in the milk - they are cut and causes a precipitate The reaction of phosphoric acid with calcium contained in milk gives rise to a precipitate 3Ca + 2H3PO4 ///\\\ Ca3(PO4)2 + 3H2 It is a reacti ...more

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