Zeiss SFL Binoculars are smaller and lighter than the Victory SF models but are still in the mid-size and full-size categories. They are available in 8x30, 10x30, 8x40, 10x40, 8x50, 10x50, and 12x50 configurations. The 30mm models weigh 16.2 oz., the 40mm models are 22.6 oz, the 8x50 is 30.2 oz, and the 10x50 and 12x50 weigh 30.8 oz.