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Panasonic FZ30 Infrared Performance
Fortesque Crumpler wrote:
In article , "J. Clarke" wrote: Interestingly I have read that the FZ30 can handle this but my usually very good photo shop told me that it cannot as its maximum exposure time was too short. I think that they are wrong and will get hold of a suitable filter and try it out myself. If anyone can add to or corect this this then please do. Many digital cameras have a filter that blocks infrared, whether the FZ30 does I don't know. If it does then exposure times will have to be quite long, if it doesn't then they should be in the same general range as visible light exposures. Not correct apparently. See http://digitalimagemakerworld.com/category/infrared/ What's not correct? That many digital cameras have an infrared blocking filter? That I don't know whether the FZ30 does? That if such a filter is present exposure times will have to be quite long? there are a couple of images on that page taken with an FZ30. Note the exposure times for the ones for which the times are listed. The biggest problem with IR photography is the inordinate expense of the filter. Whoops! Take that back, they're bloody expensive here in NZ but I just checked on eBay & Hoyas are around US$30. Go for it, kid! ;^) -- --John to email, dial "usenet" and validate (was jclarke at eye bee em dot net) |
#12
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Panasonic FZ30 Infrared Performance
From what I've been testing, all current and recent digitals have an IR
blocking filter, it just varies in strength. This was not the case if you go back a few years or more. In fact they seem to have been getting stronger over time. Certain older models are very popular with the IR community, as they either have no or only have a weak IR block filter and thus can be handheld and used for people photography, unmodified. Of course it is possible to remove the filter or have someone else do it. Cheers, Wayne Wayne J. Cosshall Publisher, The Digital ImageMaker, http://www.dimagemaker.com/ Blog and Podcast http://www.digitalimagemakerworld.com/ Assistant Director, International Digital Art Award Coordindinator of Studies, Multimedia and Photomedia, Australian Academy of Design Personal art site http://www.artinyourface.com/ J. Clarke wrote: Fortesque Crumpler wrote: In article , "J. Clarke" wrote: Interestingly I have read that the FZ30 can handle this but my usually very good photo shop told me that it cannot as its maximum exposure time was too short. I think that they are wrong and will get hold of a suitable filter and try it out myself. If anyone can add to or corect this this then please do. Many digital cameras have a filter that blocks infrared, whether the FZ30 does I don't know. If it does then exposure times will have to be quite long, if it doesn't then they should be in the same general range as visible light exposures. Not correct apparently. See http://digitalimagemakerworld.com/category/infrared/ What's not correct? That many digital cameras have an infrared blocking filter? That I don't know whether the FZ30 does? That if such a filter is present exposure times will have to be quite long? there are a couple of images on that page taken with an FZ30. Note the exposure times for the ones for which the times are listed. The biggest problem with IR photography is the inordinate expense of the filter. Whoops! Take that back, they're bloody expensive here in NZ but I just checked on eBay & Hoyas are around US$30. Go for it, kid! ;^) -- --John to email, dial "usenet" and validate (was jclarke at eye bee em dot net) |
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