HOMEMADE ND FILTER - HOMEMADE ND

Homemade Nd Filter - Anti Aliasing Low Pass Filter - Charcoal Filter Ge.

Homemade Nd Filter


homemade nd filter
    nd filter
  • In photography and optics, a neutral density filter or ND filter can be a colorless (clear) or grey filter. An ideal neutral density filter reduces and/or modifies intensity of all wavelengths or colors of light equally, giving no changes in hue of color rendition.
  • (ND Filters) Neutral Density filters can be attached to the lens of a camera to assist in preventing overexposure of an image. Prosumer camcorders have ND filters built in.
  • A filter that attenuates light evenly over the visible light spectrum. It reduces the light entering a lens, thus forcing the iris to open to its maximum.
    homemade
  • Made at home, rather than in a store or factory
  • Made in the home; Made by oneself; In a simple style as if made at home
  • homeMADE is an Australian reality television series that airs on the Nine Network. It premiered on 10 May 2009, and episodes air twice weekly on Tuesdays at 7:30pm and again at 9:30pm. The series is presented by David Heimann, who also acts as a mentor to the contestants.
  • made or produced in the home or by yourself; "homemade bread"
homemade nd filter - Tiffen 58mm
Tiffen 58mm Neutral Density 0.9 Filter
Tiffen 58mm Neutral Density 0.9 Filter
These filters reduce the amount of light passing through the camera lens without changing the color of the scene. They are especially useful in bright light conditions to help prevent overexposure. Neutral Density filters also allow proper exposure at a wider lens opening for reduced depth-of-field to highlight a key subject by making the foreground and/or background out of focus.

Reduces the amount of light passing through the camera lens without changing the color of the scene. This filter is especially useful in bright light conditions. Allows proper exposure at a wider lens opening when reducing depth of field to highlight a key subject by making the foreground and/or the background out of focus. A slower shutter speed can be used to produce blurred motion effects.

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Homemade LF test shot: Copy Lens
Homemade LF test shot: Copy Lens
More homemade 8x10 camera shots. This time I'm testing two things: - a copy lens rather than a pinhole - grade 1 paper rather than grade 2. I bought a 'copy lens' off ebay. It has a focal length of 8.25"/200mm. That's just a little short, as my camera has a minimum extension of 10"/250mm. So I had to build a lens holder that extends several inches into the camera. Because it's in a long tube, there's some serious vignetting as well. Still, look at the sharpness! Beats the pants off the pinhole 'lens'. I focused on spongebob's eyes. I think this lens will likely be used to shoot smaller than 8x10, probably 4x5 and just trim the excess. That still gives me plenty of negative. One challenge was the lens itself. It's too fast! It has stops ranging from f/4.5 to f/16. However with these paper negatives rated at about ASA 8, I've got exposure times of 1/4 to 1/2 second. But I don't have a shutter, just a lens cap! So it's hard to be fast enough to make that work. I'll have to add either a shutter (homemade, of course!), a smaller stop, say f/64 or so, or use some ND filters to cut down the light. Or shoot only in gloomy lighting...perhaps this is my portrait lens? The grade-1 paper seems to be working nicely though. It had been suggested that a low-contrast paper would work best, especially if I was scanning it rather than printing. Seems to be true...you can always add contrast, but it's hard to take it away. Pictures of the copy-lens mount construction to follow....
Brighton Pier ND filter
Brighton Pier ND filter
My first experiment with my homemade neutral density filter made with the glass from a welding helmet held on with 2 hair bobbles. The tricky part was getting rid of the green, welding glass is not actually neutral...

homemade nd filter
homemade nd filter
Tiffen 52mm Neutral Density 0.9 Filter
Neutral Density filters reduce the amount of light passing through the camera lens without changing the color of the scene. Especially useful in bright light conditions to help prevent overexposure. Also allows proper exposure at a wider lens opening for reduced depth-of-field to highlight a key subject by making the foreground and/or background out of focus. Neutral Density filters eliminate overly bright, washed-out images, balance exposure, control depth-of-field and allow slower shutter speeds to produce blurred motion effects.

Reduces the amount of light passing through the camera lens without changing the color of the scene. This filter is especially useful in bright- light conditions. Allows proper exposure at a wider lens opening for reduced depth of field to highlight a key subject by making the foreground and/or the background out of focus. A slower shutter speed can be used to produce blurred motion effects.

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