Binoculars with 8x40, 8x42, 8x70, 8x32, or even 8x21 all offer the same magnification. They will all magnify the image by eight times. Likewise, 10x42 will magnify ten times, 12x50 will magnify twelve times. How about 30-160x70?This example is taken from theSunagor 30-160x70 BCF Me...