Panasonic Lumix DMC-FZ20 Digital Camera Logo

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Anonymous Posted on Sep 07, 2005

Polarized lens Does a polarized lens work with a digital camera? If it does work am I right about vertical no effect and horizontal full effect? How beneficial has anyone found a polarized lens?

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A

Anonymous

Folks at dpreview are convinced it works.  And aim the arrow toward the sun, as I understand it.
http://forums.dpreview.com/forums/read.asp?forum=1033&message=13491771&q=polarized+fz20&qf=m

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  • Expert 363 Answers
  • Posted on Oct 01, 2007
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A polarized lens will work on a digital as well as it would on a film camera.

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0helpful
1answer

Other people cannot hear me

The problem is related the polarization of the two antennas you and your friend are using. You are using a dipole antenna which is polarized horizontally and you friends using an upsidedown whip which is vertically polarized. My advice is as close as you are, is hang your dipole from something high enough that the top say is hung in a tree or off a tower and other end of the dipole is attached to an anchor in the ground. You have basically made a full wavelength vertical, which you friend should build himself.
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How do you adjust the vertical lines going across my screen?

The vertical deflection circuit of your tv has a problem.
First, try to replace the vertical ic. This ic can be found near the plyback or horizontal section. It is a linear ic with heatsink.
If nothing happens after replacing the ic, replace all the polarized capacitor near the ic and resolder the components at the vertical section.
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I inherited a nikon d 40, It has a polarized lens installed on the regular lens, I wanted to install a wide angle lens that I got and I dont know how to remove the polarized lens to do that. It just spins...

It sounds like there are two different issues here.

The polarizing filter is in two parts. There is a ring that spins and a part that screws onto the front of the lens. Grasp this part and unscrew it from the lens to remove the filter.

To remove the lens, look at the camera from the front. At the three-o'clock position around the lens, there is a button on the camera body. Hold this button down and turn the lens clockwise. To attach a lens, align the dots, gently press the lens into the mount, and turn counterclockwise until it clicks. This procedure is on page 8 of the manual. If you can't find your manual, you can download one from
http://support.nikontech.com/app/answers/detail/a_id/14157
Aug 15, 2010 • Cameras
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1answer

CANON SD1000 can't TURN vertical downloaded video into horizontal

If you have windows movie maker (its part of the default installation of windows XP) you can use the rotate filter in the video effects tools.
Import your video into movie maker and select "Video Effects" under tools.  Scroll through the various effects until you find the "rotate 90".  Apply the effect and save the video.
I hope this helps!
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1answer

Polarized lens

They definitely work. I just got one in the mail today for an FZ5. Try taking a picture through a glass window to see if it elimates the glare and reflections. This is an way to test the filter.
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Filter

Skylight filters don't generally block UV, they change the colour tint optically, which you can do without danger of image degredation in post-processing, so I woudn't really recommend using a skylight filter for digital cameras. I haven't tried a UV filter on my fz10, only my circular polarizer. From what I've heard however, a uv filter may act as lens protection (or use the lens hood), and might in some circumstances reduce haze (rarely), and there are unconfirmed rumours of possibly reducing purple fringing. If anyone could ever confirm this, I might consider one. Otherwise, UV filters also seem peripheral for digital photography. Probably the most important optical filter you can use is a polarizer. This can cut a lot of excess scattered/polarized light and reduce excess contrast, increase sky colour saturation, etc. It's effects are extremely difficult or impossible to get in editing.
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