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| Night Time Photography - Page 1 | |
| With D200... | Rating: 
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| Posted: Sun Oct 25th, 2015 18:26 |
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1st Post |
Robert
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Last month I missed a chance to capture some amazing moon lit scenes of Ulswater at Glenridding. The silhouettes and reflections in the water were amazing and I am still kicking myself for not going back the next night to try to make some photographs of the scene. I think we are approaching full moon again and I have to go that way on Tuesday night, so I have the opportunity if the weather is favourable. My question is how do I make exposures which will give nice clean dark greys and capture the subtle blacks against a very dark sky without either creating excessive noise or other artefacts in the image, recognising that the Nikon D200 sensor isn't the greatest in poor light. I intend to use my Nikkor 50-f1.4 and probably the Nikkor 20 - f2.8. I remember Eric mentioning some technique which he has used in Photoshop of layering several identical exposures then combining them rather than trying to do it with one exposure. I can't remember any more about the technique. I will of course be using a heavy tripod and delayed shutter to reduce vibration due to mirror slap. This is an awful attempt with my iPhone to capture the scene. It does give some idea but fails dismally to capture the magic of the night. Attachment: Ulswater at Night.jpg (Downloaded 55 times)
____________________ Robert. |
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| Posted: Mon Oct 26th, 2015 10:01 |
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2nd Post |
jk
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What Eric was discussing was a technique of image layering so that noise is reduced. This works by each image having different noise characteristics so the result is a reduction in noise but no loss of detail. It might be interesting for you to do some HDR images 5-7 stopsas this will render an image closer to your 'sight'.
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Mon Oct 26th, 2015 13:09 |
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3rd Post |
jk
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Here is a link I found to the technique. http://petapixel.com/2013/05/29/a-look-at-reducing-noise-in-photographs-using-median-blending/
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Mon Oct 26th, 2015 14:04 |
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4th Post |
Robert
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That's very clever JK, thank you for the link, I will add Median Stacking to my techniques. All I need now is the weather to smile on me. In fact If I had realised, that image I took with the iPhone might have been almost acceptable if I had taken multiple exposures.
____________________ Robert. |
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| Posted: Mon Oct 26th, 2015 16:01 |
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5th Post |
Eric
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My technique was a manual method I brought from the stoneage.....tripod mount and take 4 shots at same settings. Place each shot on a separate PS layer in turn. Drop opacity of top layer to 25%, 2nd layer to 50%...3rd layer to 75%...leave bottom layer at 100%. You can play with these % to modulate the effect. The reasoning is that noise varies its position and pattern in each shot. By superimposing several photos and dropping opacity you are ghosting the noise content of each image while keeping the static subject intensity. Wasn't aware that PS had median stacking as an option now...we live and learn.
____________________ Eric |
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| Posted: Mon Oct 26th, 2015 18:29 |
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6th Post |
Robert
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Thanks Eric, I will have a play around. It may be a miss tomorrow, the forecast isn't that good but I may get lucky with a break in the clouds. It seems I may be making this journey through the Lakes regularly from now on, my daughter has set up home in Carlisle and I prefer going through the lakes rather than 60 odd miles of motorway.
____________________ Robert. |
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| Posted: Tue Oct 27th, 2015 12:06 |
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7th Post |
jk
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This is a nice video tutorial of the technique. http://www.lonelyspeck.com/stacking-noise-reduction/
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Fri Oct 30th, 2015 04:33 |
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8th Post |
jk
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Did you manage to get your photo Robert?
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Fri Oct 30th, 2015 12:53 |
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9th Post |
amazing50
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jk, thanks for the link in post 3. Been looking for a way to remove people from shots.
____________________ There is nothing worse than a sharp image of a fuzzy concept ;~) Mike Grace |
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| Posted: Fri Oct 30th, 2015 15:50 |
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10th Post |
Robert
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I keep losing my posts! This is the third attempt to reply to JK!!! Twice I have forgotten to press the 'Post Reply' button. Silly old fool...  I have taken lots of pix this afternoon just before and after Sunset. Nothing spectacular but I took lots of batches of exposures so I can experiment with some median blends in Ps. While I was by Ulswater I spotted several other vantage points to get more, different and interesting angles of much the same scene. I am looking forward to exploring these over the coming months. Having followed the link JK posted, I also found this link: https://www.youtube.com/watch?v=HSyxB9Zd3LU Which is quite a long video but I found it very interesting technique wise. Mike, I purposely took several sequences with cars driving past the scene just to try exactly that! These techniques are fascinating and I find them very stimulating.
____________________ Robert. |
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