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Re: A3014 Micro display

 

开云体育

Hi Frank,
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What you have written, is what I believe is the problem?
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I have a Cannon EOS 550D , and I have not explored all the settings, however I am sure the camera has the capability for all these different settings.
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I have also been advised to take pictures in RAW format, although, again, I haven’t experimented with this, and do not properly understand the difference, and I neither have, or know how to use Photoshop?
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When I do a photographic session at home, and use the special photography lighting, the colour balance is good. However, at exhibitions when I take pictures with the display quartz halogen lighting, I then get the “yellow” saturation. Maybe I need to experiment at home with the quartz halogen lights to see how to remove the yellow, and get a better colour balance??
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Thanks again for your tips, I think I need to get busy with experimenting with all the different camera settings
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Best regards
Bruce
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Sent: Thursday, July 02, 2015 6:00 PM
To: O14@...
Subject: RE: [O14] A3014 Micro display
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Hi Bruce,

Regarding the colour balance of photographs it may be that the photographers are altering the white balance setting on their cameras. On my Canon DSLR I can alter the white balance to whatever the ambient light is. I can set it for Tungsten, Flourescent etc. at the time of taking the photos. Also if I take in RAW format photoshop has a setting to adjust the balance. This does not apply if the photo is save as a JPG.

I don't think that the compact digital cameras have as much flexibility.

Best wishes

Frank Metcalf



To: O14@...
From: O14@...
Date: Thu, 2 Jul 2015 12:36:58 +1000
Subject: Re: [O14] A3014 Micro display

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Hi David,
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Thank-you for the tip on the lighting. I was thinking of a desk lamp, the type with the long swinging arm. (I think that is the same as what you have suggested?)
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My O16.5 display (which is approx 1 meter x 1 meter in the display area) has an overhead gantry, with six adjustable quarts halogen lights.? A lot of the pictures I have taken have a yellow bias. I have tried adjusting the camera, without success, so I need to do some homework on possibly replacing the current globes to give a better balance of colour? I don’t know why, however pictures I have seen taken by other photographers of my display, do have a good balance of colour, so maybe they are using a photograph editing application to adjust the colour balance?
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Thanks for the information on the A3014 motorway – I wasn’t aware of that! I am a member of the Gauge O Guild.
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Best regards
Bruce
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Sent: Wednesday, July 01, 2015 6:43 AM
To: o14@...
Subject: RE: [O14] A3014 Micro display
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Bruce,
Now I've managed to see the photos - v nice indeed! No excuses now: I need to crack on.
On the lighting front, most of the box file layouts at Swanley a couple of years ago had simple angle poise lamps. There are many types of bulb out there to give different light temperatures, even dimmable and varicolour LED arrays, so you can replicate dawn to dusk light angles and colour.
By the way, I used to live not far from the A3014 road here in the UK, and would use it to visit the Gauge 0 Guild open day at Normandy, Surrey. See ?
Cheers,
David
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snip
<A3014 is now virtually complete, so I have posted a couple of pics. I will probably need to consider a back scene, and as for lighting, I haven’t started to consider how to apply lighting to something so small?>


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