Question about Panasonic Lumix DMC-FZ20 Digital Camera

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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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Re: 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.

Posted on Sep 07, 2005

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In the past when film was still king and I was using it I had always used a UV or a Polarized lens cover. Now in the DSLR world I've been told that I should not use a non rated DSLR lens cover. Is there...


Without specific reference to the D90, the following applies to almost all dSLR's: Skylight filters (UV) are fine, but avoid using auto white balance. Polarisers can prevent the autofocus system from working, but the more expensive circular polarisers are usually OK although don't produce quite the same effect as linear polarisers.

Oct 08, 2010 | Nikon DSLR D90 Digital Camera

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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 | Digital Cameras

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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!

Nov 25, 2008 | Canon PowerShot SD1000 Digital Camera

1 Answer

Uneven flash


Look carefully at your images taken with flash... on the horizontal image is the lower part of the image slighty darker and have a rounded fall off at the edges? Is the vertical image dark side a straight hard line or is there a rounding to the top and bottom?

What we are looking at is if you have a very wide angle lens with the lens shade attached to the lens, then the built-in flash catches part of the lens shade and make a shadow on your subject... take the lens shade off and try the same shot and see if that makes a difference...

Have a great day...

Ed

Apr 03, 2008 | Nikon D40X Digital SLR Camera Digital...

1 Answer

A horizontal or vertical red line appears on picture.


Red lines are caused by glare. Avoid photographing shiny surfaces that reflect excessive amounts of light into your lens.

Sep 13, 2005 | Epson PhotoPC 800 Digital Camera

1 Answer

F717, protector and lens cap (question)


Had the same problem with my polarizing filter. The Sony lenscap was not a snug fit onto the polarizer. Solved the problem by purchasing a cheap third party 58mm lenscap at a retail photography shop. Cost under $5.00.

Sep 12, 2005 | Sony Cyber-Shot DSC-F717 Digital Camera

2 Answers

Polarized lens


A polarized lens will work on a digital as well as it would on a film camera.

Sep 07, 2005 | Panasonic Lumix DMC-FZ20 Digital Camera

1 Answer

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.

Sep 06, 2005 | Panasonic Lumix DMC-FZ10 Digital Camera

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