Vertical Light (Not)Fantastic
My partner and I were fiddling on the beach with our new A1 this evening, seeing what it is capable of over-exposing into the sun as it was setting, and noticed vertical lines appearing from over-bright light sources. Here's a clip I took as it was getting dark on the road just up from the beach on +6 gain, and the lines can be seen again.
Is this something I need to work around (i.e. a limitation of the format), being careful not to overexpose bright light sources, is it a question of settings being up the pole, or is there a problem with my camera? http://www.thinkteam.co.za/vertical.mov BTW - we were on 25f, auto white balance, +6 gain |
That's "vertical smear", and it's typical behavior for any CCD image sensor, not just HDV camcorders.
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So *that's* what vertical smear is then... Is it a live with it situation, or how do people handle it, or lessen its effects?
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1. Live with it.
2. Avoid having bright point sources of light in the shot. 3. Make believe you planned it that way, by using a multipoint star filter on the lens. 4. Use a camera with a CMOS imager instead of a CCD. CMOS chips exhibit far less vertical smear. |
Agree............the CMOS chips in my HV-10 exhibits little smear. The CCD chips in my XH-A1 and my XL2 display the usual CCD vertical lines.
NOTE: Be careful of reflections from water and chrome objects such as car bumpers. Use a polarizer filter for the above. Quote:
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