J9ax5.2B IRS/IAS Aspect Ratio NORMAL 4:3 Image format 8.8mm x 6.6mm:11mm Focal Length (with 2x Extender) 5.2 - 47mm 10.4 - 94mm Max. Relative Aperture (with Extender) 1:1.8 at 5.2 - 38mm 1:2.0 at 47mm 1:3.6 at 10-4 76mm 1:4.0 at 94mm Min. Object Distance (M.O.D.) 0.3m Angular field of view (with Extender) 80.5° x 64.8° at 5.2mm 10.7° x 8.0° at 47mm 45.9° x 35.2° at 10.4mm 5.4° x 4.0° at 94mm Object Dimensions at M.O.D. (with Extender) 58.8 x 44.1cm at 5.2mm 6.3 x 4.8cm at 47mm 29.4 x 22.1cm at 10.4mm 3.2 x 2.4cm at 94mm Thread for Filters 105mm P-1 Size (Approximately) 155.9 x 103.8 x 250.9mm Weight (Approximately) 3.97 lbs (1.8kg)