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Andross01 In reply to schamaar [2007-01-08 04:05:04 +0000 UTC]

Well, your lens really matters a lot. Your hot spot issue is probably due to whatever lens you usually use. And when you expose for long with a lens that gets hot spots easily, the problem is excentuated. For example, the 50 1.4 has terrible issues with a hot spot.

I've found that the 18-70 is the absolute best for when I do infrared. Hardly a hot spot is visible, and while it often requires anywhere from 30 second to 2 minute exposures, noise rarely becomes such an issue that it takes away from the shot. It is also a great way to do long exposure effects. I've been fortunate to get some pretty static objects in shots before though.

Hope that helps ya, cheers.

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schamaar In reply to Andross01 [2007-01-08 09:48:34 +0000 UTC]

"For example, the 50 1.4 has terrible issues with a hot spot." Hehehe thats exactly the lens I use. I feared it was because of the lens. So I guess I have to by a 77mm IR Filter for my 17-55. They are so damn expensive...

Thanks a lot for that detailed explenation

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Andross01 In reply to schamaar [2007-01-08 12:57:35 +0000 UTC]

You have a 17-55? Lucky bastard

I have no idea how they do with hot spots, but, you may want to try and do a google search on infrared hotspots, b/c I believe there is a repository on what lenses work well.

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schamaar In reply to Andross01 [2007-01-08 13:16:04 +0000 UTC]

Lucky yeah, but it sucked out the last money out of my pocket I have a craving on good quality products. I'd rather buy nothing, than not having the best. I know it's stupid (I should first learn to do better photographs) but I can't do different!

Thanks for the hint, dude

P.s. If you'd live in vienna I would definitely lend you the lens

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