next stop ND?
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dxbtiger

Original Poster:

4,546 posts

202 months

Thursday 10th March 2011
quotequote all
So the D90 plus 18-105 purchased in Oct has now been joined by a 50mm 1.8, remote shutter release and tripod.

Trying to play with some shots of the sea in setting sun a week or so ago made me think that a/some ND filter would be a logical next step.

Is there a 'starter' filter kit/package that you would recommend?

Grad ND, should that be included as well?

80% of my shots at the moment seem to be Landscape/Buildings at night, I want to try me hand at more emotive subjects over the next few weeks, people, scenes etc. Not that ND is necessarily needed for those, I'm just musing now..... smile

GetCarter

31,251 posts

308 months

Thursday 10th March 2011
quotequote all
ND grad is more useful than ND IMO. This sky would have bleached completely to white without a grad. (I also used a polariser to 'steal' a stop). Bear in mind, if you slide a grad all the way down over the lens, it ceases to be 'grad', just ND.


paul911

2,771 posts

262 months

Thursday 10th March 2011
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^ What Steve said. I don’t bother with NDs anymore, just slide the grad all the way down. Best of both worlds.

Adz The Rat

18,885 posts

238 months

Thursday 10th March 2011
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GC, so in that pic above are you using a ND and a grad?


01101001

123 posts

221 months

Thursday 10th March 2011
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Here you go 1x nd8 and 1x nd4 in bright sunshine

Aston Martin by 01101001 01100001 01101110, on Flickr

GetCarter

31,251 posts

308 months

Thursday 10th March 2011
quotequote all
Adz The Rat said:
GC, so in that pic above are you using a ND and a grad?
Nope, a polariser and a grad (It was pretty dark, so with that combination and 200 ISO I squeezed 3 secs out of it).

Kermit power

29,622 posts

242 months

Thursday 10th March 2011
quotequote all
GetCarter said:
ND grad is more useful than ND IMO. This sky would have bleached completely to white without a grad. (I also used a polariser to 'steal' a stop). Bear in mind, if you slide a grad all the way down over the lens, it ceases to be 'grad', just ND.
Interesting. I would've thought the opposite would hold true in the digital era.

Unless I've misunderstood the subject, I can't see what a grad ND can do that a bit of light touch HDR editing can't do? On the flip side, HDR can cope where there isn't a nice, linear differentiation between the different areas of exposure, unlike an ND grad.

A straight ND filter, on the other hand, can of course slow the shutter speed down dramatically for the same exposure, which can't be achieved, beyond a couple of stops at most, with post-processing.

Have I missed or misunderstood something fundamental here? confused

dxbtiger

Original Poster:

4,546 posts

202 months

Thursday 10th March 2011
quotequote all
Interesting replies so far, thanks very much.

GC, lovely shot, that's the sort of thing I'm looking to achieve, there is a touch more sunshine here generally than there though smile

SamHH

5,078 posts

245 months

Thursday 10th March 2011
quotequote all
Kermit power said:
Interesting. I would've thought the opposite would hold true in the digital era.

Unless I've misunderstood the subject, I can't see what a grad ND can do that a bit of light touch HDR editing can't do? On the flip side, HDR can cope where there isn't a nice, linear differentiation between the different areas of exposure, unlike an ND grad.

A straight ND filter, on the other hand, can of course slow the shutter speed down dramatically for the same exposure, which can't be achieved, beyond a couple of stops at most, with post-processing.

Have I missed or misunderstood something fundamental here? confused
In my experience, if you expose for the sky the land will often be too dark and increasing the brightness of the land by the necessary amount results in poor quality.

Kermit power

29,622 posts

242 months

Thursday 10th March 2011
quotequote all
SamHH said:
Kermit power said:
Interesting. I would've thought the opposite would hold true in the digital era.

Unless I've misunderstood the subject, I can't see what a grad ND can do that a bit of light touch HDR editing can't do? On the flip side, HDR can cope where there isn't a nice, linear differentiation between the different areas of exposure, unlike an ND grad.

A straight ND filter, on the other hand, can of course slow the shutter speed down dramatically for the same exposure, which can't be achieved, beyond a couple of stops at most, with post-processing.

Have I missed or misunderstood something fundamental here? confused
In my experience, if you expose for the sky the land will often be too dark and increasing the brightness of the land by the necessary amount results in poor quality.
Hence using HDR software. You might get a bit of an issue with ghosting in shots where you have running water such as GC's shot above, but other than that, just take a couple of exposures and you're sorted.

I can see how an ND grad would be easier where there's a flat horizon, but how would an ND grad address a shot like the one below (ruthlessly stolen for illustrative purposes from a complete stranger on Flickr)?

Are shots with running water going to outnumber those where there isn't a nice, straight line on which to sit the grad?


Iceland mountain peak by ystenes, on Flickr

SamHH

5,078 posts

245 months

Thursday 10th March 2011
quotequote all
Kermit power said:
just take a couple of exposures and you're sorted.
That's OK if you're using a tripod. Not if you're not.

paul911

2,771 posts

262 months

Thursday 10th March 2011
quotequote all
A soft edged grad would help with that image KP, I use the ND grads (hard and soft) as I prefer to get as much right in camera. But I also use HRD, it depends on the image at the time.

Kermit power

29,622 posts

242 months

Thursday 10th March 2011
quotequote all
paul911 said:
A soft edged grad would help with that image KP.
Surely you'd just end up with either the bits of sky between the peaks still over-exposed, or the bits of peak between the sky under-exposed, wouldn't you? confused

paul911

2,771 posts

262 months

Thursday 10th March 2011
quotequote all
Yes probably, but better than using a hard edged grad. I’d agree using HDR or even replacing the sky would have worked better on you chosen image. smile

GetCarter

31,251 posts

308 months

Thursday 10th March 2011
quotequote all
As mentioned... If I walk about with a camera and no tripod (most of the time), an ND grad will mean I don't have to arse about in PP. Also, blown highlights are blown highlights. It matters not what HDR software you use, you can't recover data if there is none. Unless I do a 5 shot composite, I could still end up with 'pure white' somewhere on the image.

I use a combination of grads, polariser and HDR software. ND grads just make life a lot easier, and my photos (hopefully) a lot better. I'm giving my very stupid camera the best chance of getting the exposure right.

ETA... you don't need straight horizons to use a grad.... you generally don't see the filter over land, just a blue - rather than white sky (or as my pic at the top... grey... hardly a straight horizon!)





Edited by GetCarter on Thursday 10th March 14:46

AndWhyNot

2,359 posts

228 months

Thursday 10th March 2011
quotequote all
Kermit power said:
Hence using HDR software. You might get a bit of an issue with ghosting in shots where you have running water such as GC's shot above, but other than that, just take a couple of exposures and you're sorted.

I can see how an ND grad would be easier where there's a flat horizon, but how would an ND grad address a shot like the one below (ruthlessly stolen for illustrative purposes from a complete stranger on Flickr)?

Are shots with running water going to outnumber those where there isn't a nice, straight line on which to sit the grad?


Iceland mountain peak by ystenes, on Flickr
Looking at the top of the rocks compared to the lower section, and the considering the exposure balance between foreground and sky, that shot used a grad of some sort IMHO.

Kermit power

29,622 posts

242 months

Thursday 10th March 2011
quotequote all
AndWhyNot said:
Looking at the top of the rocks compared to the lower section, and the considering the exposure balance between foreground and sky, that shot used a grad of some sort IMHO.
You may well be right. I'm looking at it on a crappy laptop screen though, so wouldn't want to comment! hehe

dxbtiger

Original Poster:

4,546 posts

202 months

Thursday 10th March 2011
quotequote all
Popped into a camera shop in the mall this evening, they had a ND4 Hama (grey) at the equiv of about £28 and and the same make grad but a circular one for a little less.

Are circular ones a no go generally or can you adjust them on the thread without light leaks?

My nearly bought the ND just to try it as it was so cheap, my worry was that ND4 (2 stops?) would not be dark enough.

Is a grey an issue colour wise, would have thought a clear one would be betterm would grey mean setting a custom WB?

RobDickinson

31,343 posts

283 months

Thursday 10th March 2011
quotequote all
Haveto get a new ND grad the cokin ones are horrid, Prehaps try a hitec one.

Soft or hard, I have soft atm and works ok. hmm..

AndWhyNot

2,359 posts

228 months

Thursday 10th March 2011
quotequote all
dxbtiger said:
Popped into a camera shop in the mall this evening, they had a ND4 Hama (grey) at the equiv of about £28 and and the same make grad but a circular one for a little less.

Are circular ones a no go generally or can you adjust them on the thread without light leaks?

My nearly bought the ND just to try it as it was so cheap, my worry was that ND4 (2 stops?) would not be dark enough.

Is a grey an issue colour wise, would have thought a clear one would be betterm would grey mean setting a custom WB?
Grey is what happens when you add a couple of stops of darkness to a clear filter smile

Some brands have an impact on WB but not usually outside the realms of custom WB or RAW recovery.