Nikkor Telephoto

Focal Length Aperture Close Focus Front Diameter Weight (lbs)
200mm T2.0 9' 136mm 6.6
300mm T2.2 13' 194mm 17.3
400mm T2.8 15' 175mm 12
500mm T4.0 5' 149mm 9.4
500mm (Reflex Mirror) T8.0 13' 92mm 3
600mm T4.0 25' 185mm 14.4
800mm T5.6 25' 175mm 13.7