Manufacturer Fujinon Fujinon A17x7.8BDERM-M28 Please contact us for questions: 800.941.2446 ENQUIRE NOW Share via email Details Product Content FormatFocal LengthApertureClose FocusFront DiameterWeight (lbs)Physical lengthFilter Thread SizeMount Type 2/3"7.8 - 133mmf/1.82'1"85mm 82mmB4