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GRADUAL ND FILTER - ND FILTER


Gradual nd filter - Passive butterworth filter



Gradual Nd Filter





gradual nd filter






    nd filter
  • (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.

  • 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.





    gradual
  • (in the Western Christian Church) A response sung or recited between the Epistle and Gospel in the Mass

  • (of a topographical gradient) not steep or abrupt; "a gradual slope"

  • (Roman Catholic Church) an antiphon (usually from the Book of Psalms) immediately after the epistle at Mass

  • A book of plainsong for the Mass

  • proceeding in small stages; "a gradual increase in prices"











gradual nd filter - Cokin Series




Cokin Series P Gradual Grey Neutral Density Filter ND2X G2 Light


Cokin Series P Gradual Grey Neutral Density Filter ND2X G2 Light



Grey Neutral Density filters compensate for bright light. By under-exposing the sky, they give a better relief to the surfaces and colors of landscapes and architecure. They are indispensable in summer, for seaside and mountain photos. They are available in six choices to cover every situation. 120 - 2X graduated neutral density filter reduces the light 1 stop 121 - 8X graduated neutral density filter reduces the light 3 stops. 121L - 2X Light starts with the same neutral density as 120, but feathers the grey almost from the color edge and more gently graduates to clear. One stop of compensation. 121M - 4X Medium is the same gentle graduation as 121L but with twice in dens ty. Requires 2 stops of compensation. 121S - 8X Soft is twice the density of 121M and the graduation extends to 3/4 of the filter. Requires 3 stops. 121F - 8X Full is the same as 121S except that the neutral density grey cover the entire filter. Requires 3 stop










79% (8)





Filters tests on wide angle lens




Filters tests on wide angle lens





Top: no filters at all
Bottom: polarizer + gradual ND filter (0.6) brings back the sky colour and clouds details.
?22 / 13mm / focus manually set to ?
I have the feeling that my EF-S 10-22 is not really sharp...











Anguillara at sunset




Anguillara at sunset





Taken in Anguillara Sabazia a small town on Bracciano's Lake, Lazio Italy. I've used a gradual nd filter to compensate the high stops difference in the scene.









gradual nd filter








gradual nd filter




Kit for Cokin P Series System (67 MM). Includes: Filter Holder , Ring, Graduated Gradual Grey ND Square Filter and 1 Ultra Fine Goja Microfiber Cleaning Cloth






* 1) GRADUATED GREY SQUARE FILTER - Color filters bring explosive color to your pictures. Combine different filters to obtain a wide variety of colors. Simply mount the adapter ring and filter holder to the front of your lens, then slide in different filters to take beautiful, colorful shots. Great for landscape shooting or car photography.
* 2) 67MM ADAPTER RING FOR FILTER HOLDER - The adapter ring is an essential element of the Cokin P series filter set. If you are looking to start using any of the popular square filters you will need a proper ring adapter! Check the filter thread size of your lens first and choose the appropiate size adapter ring in order to use the filter holder. Screw the ring adapter onto your lens.
* 3) FILTER HOLDER - To use the filter holder, an adapter ring which connects to the filter holder has to be mounted to the lens. Slide the filter holder onto the ring adapter until it snaps into place. The filter holder can hold three filters at the same which allows for creative use of light correction or special effects.
* 4) MICROFIBER CLEANING CLOTH - As the name suggests, microfiber cleaning cloths are made up of extremely fine fibers, usually of synthetic fibers like nylon or polyester. Microfiber cleaning cloth leaves behind no lint, no dust, or no broken fibers. Once you clean a surface with it, it remains clean.










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Post je objavljen 27.10.2011. u 01:54 sati.