FS-126

FS-155

FS-236

IFS-8

Mechanical

Outer Diameter

3.2mm (.126”)

4.0mm (.155”)

6.0mm (.236”)

8.4mm (.330”)

Lengths

51cm (20”)
102cm (40”)

51cm (20”)
 102cm (40”)

120cm (40”)
157cm (60”) 203cm (80”)

120cm (40”) 152cm (60”) 203cm (80”)

Outer Shaft Covering

Urethane

Tungsten

Tungsten

Tungsten

Articulation

2-way

2-way

2-way

4-way

Optical

Light guide length

229cm (90”) Detachable

152cm (60”) Integral

152cm (60”) Integral

229cm (90”) Detachable

Depth of Field

5-50mm
(.20 – 2.0”)

6-100mm
(.24 – 4.0”)

10-100mm
(.40 - 4.0”)

5-80mm
(.20 – 3.1”)

Field of View

55 degrees

45 degrees

60 degrees

60 degrees