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Caernarfon Castle

By ianto  
The Castle at night, long exposure in bulb mode. f/18 at 85 seconds. Polarising filter used. Long exposure noise reduction on standard setting.
I'm quite new to night photography as don't often get the chance to do it. Any advice to improve would be nice

Tags: Landscape Night photography Castle Caernarfon Landscape and travel

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debu 11 India
29 Nov 2013 11:36PM
A beautiful scene.
ukgubbi 9 5 India
30 Nov 2013 12:16AM
This is a stunning night photography. Beautiful composition and tones.
ianto 11 5 Wales
30 Nov 2013 12:30AM
Thank you both, much appreciated
paulbroad 13 131 1293 United Kingdom
30 Nov 2013 9:01AM
It is quite nice but the edge is off the sharpness and that is movement due to wind and so on on such a long exposure. On the 5D you could easily use ISO400 with no quality loss and f8 would have been quite enough, maybe f5.6. Most things are in the same plane and a long way away.

That's down to 5 to 10 seconds. Just releasing the shutter if you did not use a remote or the delayed action causing vibration.

banehawi Plus
17 2.5k 4248 Canada
30 Nov 2013 4:19PM
Its a good attempt, but a few suggestions.

The image is not level, and also can benefit with some lens distortion correction. Addressing this unfortunately drops off that left light, as you can see in the mod (view large)

The exposure is quite good, - but why ISO 200, when ISO 100 is available? Always use the lowest ISO for night shots.

You used a Circ Polariser filter, - why? It makes no real difference for this type of shot. other than acting as an approximately 1 stop filter. The polarisers work only in polarised light, from the Sun.

With such a very high quality lens, - Im with Paul, - use f/8 maximum, at 16mm is more than enough to get a sharp back to front, and is sharper than f/18 by quite a lot.

I was able to improve sharpness in the mod, but I think also that unless you use a remote release, not touching the camera at all, it would be better. In addition, use of the mirror lock-up function is a way to reduce any vibrations. In the custom settings, turn on Mirror Lockup; set up your shot, with Manual focusing, then using the remote release, trigger the shutter, - this raises the mirror, then you need a second shutter trigger to start the exposure, - therefore making sure the mirror movement hasnt caused vibration, then exposure as normal. remember to disable mirror lock-up.
many tripods have a hook under the centre post that allows you to hang your kit bag, - this will also stabilise the tripod.


ianto 11 5 Wales
1 Dec 2013 12:38AM
Thanks both for your input. I was using a carbon fibre tripod and there was no wind at the time, also, I was shooting in live view which does lock the mirror up as far as I'm aware, and I was using a remote release. Basically, I did all you have suggested except for the ISO and aperture combination and the mistake of leaving my polariser on. I did think at the time that I was getting a lot of focusing issues with the lens which is why I tried to go for ridiculous f/18. I do get far better results using my 24-70mm. So I'm now thinking of getting my lens looked at, as it's full of dust anyway. I guess my biggest problem is not being able to see very well in the dark to manually focus. More often than not I tend to use the hyper focal distance scale to set my focus, so maybe I'm getting that bit wrong.

Once again, thank you for the advice



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