iResolution - benefits, problems, best settings?

Started Aug 11, 2014 | Discussions thread
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bill hansen
Veteran MemberPosts: 8,490
iResolution - benefits, problems, best settings?
Aug 11, 2014

I understand iZoom well enough, but can someone tell me what "iResolution" does, what its advantages are, what settings work best (or whether it should be used at all). What does it actually do, if anything? What settings (low,standard, high, extended) work best in different situations?

Since I'm rarely able to shoot at ISOs below 640 animals moving rapidly, light not always good), and since I want the best possible results at longer focal lengths, I need all the technical help I can get.

So far, my RAW images have been satisfactory (to me) even at ISOs 2000-2500 **if the light is good**. In mediocre light, if I'm shooting JPEG I need to keep ISO at 400 or lower.

My images with extended focal lengths haven't been satisfactory to me, except for web displays. In JPEG I can get good results for web displays up to 1600px on the longest side, but extended FLs aren't working for print-sized images. The JPEG artifacts are what kill those images, not the noise or the resolution.

Any thoughts on how well extended FLs can work, and what settings to use for FLs beyond 400, will be very helpful.


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Bill Hansen
Ithaca NY, USA

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