Jay_feather_notebook_vis_IR

Three images of a Jay's feather taken with Sony DSC F717 (the most versatile camera I know!). Bottom: normal colour; middle: 'night-shot' mode and x8 ND filter; top: 'night-shot' + RG715 + x32 ND (800nm bandpass). Unlike the blue butterfly scales, Tyndall scattering still works in the IR.

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