Introduction to long exposure night photography

[JPS]

Hi all,
I just watched this video clip on long night-time exposure; thought I would share the link with you guys, as it might be of interest.

There is further pages about photography tips when climbing; not much use to an old man like me, but for those of you who like 'adventurous' types of sports and taking pictures, I thought you might like a look.

http://www.ukclimbing.com/articles/page.php?id=5133

[Colin Southern]

Interesting!

I'm a little "surprised" that he's suggesting F2.8 @ ISO 3200 @ 30 seconds as a starting point for star shots though

[darekk]

High ISO speed results in such strange "digital" grain and noise.
Is Schwarzschild effect important in digital photography ?

[ajohnw]

Interesting link. Must try noise reduction off but raw does that. The reason for the high iso and fast lens is explained at the end of this page, star trails, but it also points out a problem with fast apertures especially if there is some light pollution about even very little of it. Or even moon light which is mentioned in the video. Nebula however are extended sources though so some sort of compromise has to be found. As usual the most interesting aspect PP isn't mentioned.

http://photo.net/learn/nature/sunmoon

An example of a 10sec exposure 50mm F2.8 using an iso of 250. This an untreated full resolution crop. One star is drastically over exposed. A problem not mentioned.



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[Tringa]

A good video. The only star shots I have done I used and ISO of 400, but I must try higher ISO to see how they come out.

Most of the video is common sense, not that it detracts from the content. It always useful to have a reminder. Perhaps the most most important messages in it are plan ahead and know your equipment.

Dave