Green Wavelength October 9, 2015 Buy this photo FacebookTwitterPinterestTumblremail Strong northern lights from 7th October. Exif / Equipment Nikon D800 & Samyang 14mm f/2.8 IF ED UMC AE Aspherical ISO 3200, 5 sec @ 14 mm, ƒ/2.8 « Back to postlist Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment *Name * Email * Website What is the letter after c? (Required)