Handle images with exif data but no focal_length field. #364
Handle images with exif data but no focal_length field. #364

openMVG/openMVG,openMVG/openMVG,poparteu/openMVG,openMVG/openMVG,openMVG/openMVG,poparteu/openMVG,openMVG/openMVG,poparteu/openMVG,poparteu/openMVG