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50.8 mm dia x 250 mm FL, BBAR
Sku: 01AC508-250-BB
$108.00
Specifications of 50.8 mm dia x 250 mm FL, BBAR
Diameter (mm) : 50.80 mm
Focal Length (mm) : 250.00 mm
R1 : 151.578 mm
R2=R3 : -112.149 mm
R4 : -335.971 mm
Tc1 : 8.50 mm
Tc2 : 4.33 mm
Tc : 12.83 mm
Te : 9.70 mm
Glass : N-BK7 & N-SF5