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General photography questions and answers: Discuss filters...i dont know agreat deal about filter use i have uvs etc on my lenses and a couple of cicular ...
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Old 23-09-2008, 10:59   #1 (permalink)
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filters

i dont know agreat deal about filter use i have uvs etc on my lenses and a couple of cicular polarisers but a frien mentioned nd grads for landscapes.. but a jessops assistant said do it in photoshop.. and is it best if i need filters to go the screw in or the cokin type the more i look into it the more im confused, i use canon 400D.
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Old 23-09-2008, 12:57   #2 (permalink)
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Re: filters

Hi Shaver

You will need to go for the square type with the ND Filters. I use the Cokin system, you used to be able to get a kit that contained 1 ND and a couple of other filters, you may still be able to get them.

The reason for needing the square type, is that the ND Filter is graduated, so you move it up and down to suit how much sky is in the shot. Whilst you can do this in photoshop to an extent, it improves your landscape shots as you can compensate for the difference in light stops between bright skys and duller ground. If you don't have them you risk losing details in the shadows or blown highlights.
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Old 23-09-2008, 13:46   #3 (permalink)
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Re: filters

I've just bought my first set of square filters - after recommendations from a couple of folk, I plumped for the Kood system, which is compatible with Cokin. I picked up the holder, a couple of adaptors, an ND grad, ND4 and a couple of other bits from Crooked Imaging.
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Old 23-09-2008, 14:51   #4 (permalink)
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Re: filters

what's cokin and screw in ? all i know is i have a hoya uv filter on my 400d one that screws in i guess
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Old 23-09-2008, 15:26   #5 (permalink)
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Re: filters

Quote:
but a jessops assistant said do it in photoshop
I sometimes wonder just where Jessops get their staff! I went into my local branch (Northampton) to enquire about the price of the Canon 1D MkIII. The assistant handn't heard of that camera and spent the next 10 minutes trying to find it on the computer! In the end I said don't worry I'll look on your web site myself. It's a real shame, it used to be a good branch with some knowledgeable staff.

Yes you can get filter effects in PS, but I don't think they are as good as using a filter and getting the shot in camera.

Rosecran - Hoya filters slot into a holder that you screw to the front of your lens in the same way as your uv filter. You then just slot the filter into the holder. If using a graduated filter, you can then slide it up or down in line with the skyline or whatever else you want to filter. It has several slots, so you can use several together, ie warm up and graduated. Have a look at the Cokin site here Cokin . Lee filters are also very good, but are more expensive, they are here Lee Filters - Welcome
Hope that helps.

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Old 23-09-2008, 16:23   #6 (permalink)
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Re: filters

thanks just one thing i forgot to ask what is the difference in ,A series P series etc i use canon 400D is there a particular type or fit for it or are they all interchangable? sorry if this sounds like a real dumb question.

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Old 23-09-2008, 16:48   #7 (permalink)
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Re: filters

Not dumb at all, the size of the filter holder & filters (A or P) depends upon the size of your lens, this is the explaination from the Cokin site.
A filters are recommended for lenses between 36 & 62mm with a focal length of over 35mm
P filters are recommended for shorter focal lengths and wide angle zooms.

If you look at the site, there is some information on recommended sizes, but it does depend on your lens and not the camera.
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