|
Type
|
S Plan (Metallurgical)
|
|
Optical
|
Infinity Corrected ∞ Tube Lens
|
|
Tube Length
|
F=200mm
|
|
Magnification
|
4X
|
|
Numerical Aperture (N.A.)
|
0.10
|
|
Focal Length (F.L.)
|
50.0mm
|
|
Working Distance (W.D.)
|
15.7mm
|
|
Parfocal Distance
|
45mm
|
|
Diameter Threads
|
0.7965" (20.1mm) DIN Standard
|
|
TPI
|
36
|
|
Whitworth
|
55°
|
|
Diameter (mm)
|
-mm
|
|
Length (mm)
|
-mm
|
|
Weight (g)
|
70g
|
|
Oil
|
?
|
|
IS9001
|
?
|
