Cokin Filters

Cokin Filters

Canon SX30IS 14.1MP Digital Camera with 35x Wide Angle Optical Image Stabilized Zoom

In my look for an honest zoom I actually have tried couple cameras (for around a month each) together with the Nikon P100 and after all the Canon SX30 IS. I actually have to mention, the Canon beat the others in several aspects. though the sensor is little given the 14MP cramped to it, the pictures are terribly pleasing. for instance, the noise level is much but the P100 (which features a CMOS sensor). Also, you'll be able to cut back ISO up to eighty in sensible light-weight conditions, that greatly reduces the noise. The zoom is thus powerful and therefore the stabilizer works sort of a charm. The flip LCD conjointly comes in handy in numerous things where the VF or a hard and fast LCD isn't enough. you'll be able to maneuver the LCD the approach you wish.

What created this one pops in respect to the opposite zoom  is that the flexibility. Once you improve your photo skills you'll wish to explore new things. it's hot shoe for external flash, which might be a necessity for portrait, indoor or nice micro shots. employing a lens adapter, you'll be able to use filters (both screw in or slide (Cokin, for example) that facilitates having nice landscape photos. it's s heap additional options and funky things, however no time to say them here. though it doesn't shoot in RAW, features a remote shutter, or has long lapse shooting...etc, several of those options (and more) is unlocked and become possible using CHDK (if necessary and when prepared for this camera). (I wont say what CHDK is, you'll be able to google it yourself...).
Now, the draw back: the sole 2 things that I miss during this camera compared to others i attempted are

1- fps (frames per second), that is low during this one compared to others like P100 that use CMOS. P100 was able to shoot 40fps in burst additional that was neat!!! conjointly, owing to the quick rate, the P100 had a slow motion video capabilities.
2- The build. P100 was metallic (maybe aluminum), that created it seem like durable and able to take couple accidental bumps currently and then. This one is formed of plastic. thus far it's sensible (not low-cost one), however undecided what is going to happen within the future! i will be able to undoubtedly purchase an extended warranty with accidental coverage for it.

See Canon SX30IS 14.1MP Digital Camera with 35x Wide Angle Optical Image Stabilized Zoom

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How to avoid vignetting?

I use a Canon EOS 5D with the 17-40mm lens, a Cokin P-holder, Singh-Ray ND Graudtaed Filters and occasionally a circular polarizer. I am wondering if there is a way to make the most of my wide angle without having to purchase an X-Pro holder and a bunch of 4x6 graduaed filters. Would tape work? Any other ideas? Thanks!
I find that I get vignetting between 17mm and about 24mm even with just the warming polarizer on. Same thing with the holder on and only one graduated filter. Is there no other way to get rid of vignetting without buying a set of 4 by 6 filters? Can Photoshop CS3 help?

You can expect vignetting on any wide angle lens if you stack enough filters on it. Years ago, Nikon made their filters very thin so you would not get vignetting when using a skylight filter on their 24mm lens and the polarizing filter was staged up so the added thickness would not cause vignetting.

I don't get the idea of using tape. I would think it would get in the way of the light at the edges of the film or sensor more than anything else.

If you are using these filters one at at time, you should not get vignetting.

I used 100mm square gelatin filters on my old Cambo 4x5 camera and when I shot with the 90mm super wide angle lens I got some vignetting until I stopped down about four stops from wide open. It was still there but not as obvious

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