EPL-2 Infra Red conversion questions

Started May 28, 2012 | Discussions thread
technic Veteran Member • Posts: 8,932
Re: EPL-2 Infra Red conversion questions

DonovanDwyer wrote:

So if you want the sharpest images possible then 830 B&W is the way to go? I've noticed in other's work that lower nm values the details can look smeared and impressionistic, but that could be down to NR preferences...

yes, 830 will usually give the sharpest, images because you are using a relatively small range of wavelengths. Most sensors work until 950-1000 nm, but sensitivity quickly declines above 900. Sharpness with 830nm is often even better than with the same/camera lens used for visible light! The downside is less light to work with (a few stops less than with a 720nm). But I find that 830nm is still fine for more or less sunny conditions, which I prefer for IR anyway because it is difficult to get nice contrast when there is no sun or other strong IR light source.

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