ND and ND Grads...

~SkankinMike Jun 29, 2012

I'm finally at a point where i'm ready to buy, but, i'm not entirely sure what i need!

I'll be buying a selection of Hitech ND and ND grads, and have decided the Cokin P holder would be the one to get (for me)

What's confusing me is the filter sizes...

I have a 77mm filter size lens, so is there something that would govern the actual size of filter I need?

And would it be:

Filters, Filter holder, Adaptor... Then i'd be good to go?

Cheers,

Mike...

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Devious Comments

^Kaz-D Jul 5, 2012 Hobbyist Photographer

Hi!
You've been featured here!
Enjoy!

~photomark Jul 1, 2012 Hobbyist Photographer

If your lens is a 77mm screw thread then you will need 77mm filters .

dont use screw on grads as they are a total wast of time, for grad filters you will need a holder like Cokin so you can slid the filter up or down as it is needed.

I use the Coking X-Pro and find they are beautiful filters.

For screw on filters I only use 95mm and 105mm and use a step up ring as required , this covers all my lenses and i dont have any trouble with vignetting

~SkankinMike Jul 2, 2012

That's exactly what I wanted to know thanks!

Cheers for all the replies!

~Svenler Jun 30, 2012 Professional Photographer

With the Cokin setup on a full frame camera with a wide-angle lens, you will have a hard time, since the filter holder will come in the way of the wide end of a wide angle lens (assuming you use the 16-35 or 17-40). Also, the Cokin filters, unless you can find a pre-mid-90s filter, are known for their bad quality.

The best thing you can do is to use a regular ND filter: [link]

`kkart Jun 30, 2012 Professional Photographer

This isn't necessarily true. He could step up to Cokin Z Pro series which would eliminate the vignetting

~Svenler Jul 1, 2012 Professional Photographer

Are you sure about that?

From what I heard, the Z Pro shows vignetting up to 20mm unless you modify the holder so the lens adapter fits on the inner slot of the filter holder.

`kkart Jul 1, 2012 Professional Photographer

Yep, pretty darn sure. I will ask if my shooting buddies modded theirs which is possible I would guess. They shoot with d800s and use the Nikon 14-28

~SkankinMike Jul 1, 2012

Currently my widest is 24mm, but the plan would be add a 17-40 to the collection at some point

~SkankinMike Jun 29, 2012

Found this place which does Hitech filters at a reasonable price: [link]

I now have a 5D2, so i should get up some fells a bit more!

*Fuzzypiggy Jun 29, 2012 Hobbyist Photographer

I believe the Cokin P-series are 84mm width filter "sheets". I've used a P-series holder on an 82mm wide-angle lens (10-20mm focal ) and got vingette in the past, hardly surprising but I backed off to around 14mm and that cropped out the filter holder. 77mm is pushing it close to getting vignette especially if the lens is less than around 16mm for arguments sake, the extra angle of view might pull in the edge of the filter holder and you'll have to back off the focus or crop it in post-edit.

Yep, you need a suitable ring for the lens, the actual "caddy" or filter holder and some filters. If you take a look around eBay you can get dirt-cheap Cokin compatible rings and holders, but then get genuine Cokin, Kood or Hi-Tech filters from eBay ( watch for dodgy clones ) or better chance of genuine filters from somewhere like Amazon or a reputable camera store.

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