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duncan_g Forum Veteran


Joined: 02 Aug 2006 Posts: 601
Location: Glencoe, Scotland
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Posted: Sun Sep 17, 2006 12:13 pm Post subject: White bits for sky |
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In some of my non-mtb pics, the sky is all whit instead of blue.
Like these for example:
Does any body know how to conquer this problem?
Last edited by duncan_g on Thu Sep 21, 2006 9:08 am; edited 1 time in total |
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dandantheadminman Site Admin

Joined: 01 Aug 2006 Posts: 1294
Location: Surrey, UK
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Posted: Sun Sep 17, 2006 8:14 pm Post subject: |
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i know a few ways to sort it...
1. meter from the sky as opposed to the automatic matrix metering or you metering the land. but, this means you lose brightness and detail on the land bits.
2. take down the eposure a bit
3. sometimes it just the case the sky is crappy and you just have to except that,
BUT to get the great blue skies your see pros getting you use a skylight, or even better, a polarising filter to get that cool blue thing. _________________ Ride like you have insurance.
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duncan_g Forum Veteran


Joined: 02 Aug 2006 Posts: 601
Location: Glencoe, Scotland
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Posted: Mon Sep 18, 2006 6:31 am Post subject: |
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Ok, thanks.
I was thinking it might be the exposure but then the land and other features would be to dark.
I have a bluey setting on my camera so ill try that sometime. |
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Roo Forum Master

Joined: 16 Aug 2006 Posts: 442
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Posted: Wed Sep 20, 2006 9:13 pm Post subject: |
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ND Grads only real way to sort it.
Cokin is cheaper but worse, Lee are more expensive but better.
They are basically bits of glass/plastic that go in front of the lens that go fade from clear to grey and so with the grey section at the top of the picture, it lets in less light so it's the equivalent of using a quicker shutter speed or smaller aperture on the sky only.
Last edited by Roo on Wed Sep 20, 2006 9:18 pm; edited 1 time in total |
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Roo Forum Master

Joined: 16 Aug 2006 Posts: 442
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Posted: Wed Sep 20, 2006 9:16 pm Post subject: |
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For example, I held a cokin ND grad in front of my fisheye, you can see the difference either side.
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dandantheadminman Site Admin

Joined: 01 Aug 2006 Posts: 1294
Location: Surrey, UK
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Posted: Wed Sep 20, 2006 9:19 pm Post subject: |
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:O I heard that grad filters helped but i didn't realise that much!!!
guess im gunna have to get one when my dslr arrives, lol _________________ Ride like you have insurance.
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Roo Forum Master

Joined: 16 Aug 2006 Posts: 442
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Posted: Wed Sep 20, 2006 9:30 pm Post subject: |
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| It's not too simple, obviously sky can be different brightnesses in relation to the ground, so you really need a few of different tones of grey and if you go for the cokin system, you need adapter rings for whatever lense you want to use them on. |
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dandantheadminman Site Admin

Joined: 01 Aug 2006 Posts: 1294
Location: Surrey, UK
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Posted: Wed Sep 20, 2006 9:34 pm Post subject: |
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can you still run a grad filter even if you running a screw-on circ polariser?
or is that a silly idea?
cause i'm getting a circ polariser with my slr in a month and would probs like a grad filter for xmas. _________________ Ride like you have insurance.
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duncan_g Forum Veteran


Joined: 02 Aug 2006 Posts: 601
Location: Glencoe, Scotland
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Posted: Thu Sep 21, 2006 6:52 am Post subject: |
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| Sweet! That is a HUGE difference, would i be able to use one on my nikon 3200? |
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JRampton Not quite so newbie

Joined: 19 Sep 2006 Posts: 22
Location: Been to Yateley Lateley ?
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Posted: Thu Sep 21, 2006 8:24 am Post subject: |
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I've found that adjusting the white balance helps, my camera has an automatic white balance, you basically set it up by selecting the white balance and then taking a pic of something white (peice of A4 is good) and the camera then knows what white is so adjusts colours to compensate.
Your white balance might be too high or exposure too long. |
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duncan_g Forum Veteran


Joined: 02 Aug 2006 Posts: 601
Location: Glencoe, Scotland
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Posted: Thu Sep 21, 2006 9:10 am Post subject: |
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Yeah, ill try that too. I know i have that setting.
My mum has a slr and she also has two filters, so im gonna try and hold them infront of my camera lens and see if it makes a differnece |
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Roo Forum Master

Joined: 16 Aug 2006 Posts: 442
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Posted: Thu Sep 21, 2006 3:47 pm Post subject: |
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| Trail_Builder wrote: | can you still run a grad filter even if you running a screw-on circ polariser?
or is that a silly idea?
cause i'm getting a circ polariser with my slr in a month and would probs like a grad filter for xmas. |
With the Cokin system a mount screws into the lens filter threads, so if a polariser is already there, unless it has threads then it wont work. Althernatively, Cokin make a circular polariser that fit's in the mount along with other filters like ND grads with the added benefit you can use it on any lense size between about 52 and 82mm, so long as you buy the corret adapter rings.
Then again, you could just hold the filter in front on the polariser.... |
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dandantheadminman Site Admin

Joined: 01 Aug 2006 Posts: 1294
Location: Surrey, UK
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Posted: Thu Sep 21, 2006 5:05 pm Post subject: |
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thnx roo _________________ Ride like you have insurance.
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farm boy Average User

Joined: 03 Aug 2006 Posts: 88
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Posted: Fri Sep 22, 2006 8:25 pm Post subject: |
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| Roo wrote: | For example, I held a cokin ND grad in front of my fisheye, you can see the difference either side.
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that looks crazily like butser hill |
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Roo Forum Master

Joined: 16 Aug 2006 Posts: 442
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Posted: Fri Sep 22, 2006 10:22 pm Post subject: |
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I think it might be, It was somehwere near petersfield on the other side of the A3...
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