Chiopt
Xtreme Zoom 75-250mm$3,299.00
Chiopt
Xtreme Zoom 28-85mm$2,899.00
Chiopt
Xtreme Zoom 75-250mm$3,299.00
Chiopt
Xtreme Zoom 28-85mm$2,899.00
Optical Performance
Focal Length
75-250mm
Focal Length
28-85mm
Aperture
T3.2-T22
Aperture
T3.2-T22
Image Circle
Φ 46mm
Image Circle
Φ 46mm
Horizontal FOV
26.8~8.2°
Horizontal FOV
66.4~24°
Vertical FOV
17.9~5.54°
Vertical FOV
46.3~16.2°
Diagonal FOV
32~9.7°
Diagonal FOV
76.5~28.2°
Min. Focus Distance (From Lens Front)
4.9ft / 1.5m
Min. Focus Distance (From Lens Front)
1.3ft / 0.4m
Min. Focus Distance (From Sensor Plane)
5.9ft / 1.8m
Min. Focus Distance (From Sensor Plane)
2.3ft / 0.7m
Max. Magnification (At Min Focus)
0.05-0.18x
Max. Magnification (At Min Focus)
0.05-0.15x
Image Area at Min Focus
75mm: (646x429mm); 250mm: (197x133mm)
Image Area at Min Focus
28mm: (723x470mm); 85mm: (233x157mm)
Zoom & Aperture Operation
Zoom Ratio
3.5x
Zoom Ratio
3x
Zoom Ring Rotation Angle
104°
Zoom Ring Rotation Angle
103°
Aperture Ring Rotation Angle
84°
Aperture Ring Rotation Angle
84°
Iris Blades
11pcs
Iris Blades
9pcs
Focusing & Control Interface
Focus Ring Rotation Angle
288°
Focus Ring Rotation Angle
288°
Gear Module
123 Teeth 0.8 MOD
Gear Module
123 Teeth 0.8 MOD
Mount & Compatibility
Lens Mount
PL / EF / E
Lens Mount
PL / EF / E
Flange Focal Distance
52mm (PL); 44mm (EF); 18mm (E)
Flange Focal Distance
52mm (PL); 44mm (EF); 18mm (E)
Filter Thread
N/A
Filter Thread
N/A
Physical Specs
Front Diameter
Φ 114mm
Front Diameter
Φ 114mm
Max. Diameter
Φ 122mm
Max. Diameter
Φ 114mm
Length
228mm (PL); 229mm (EF); 254.5mm (E)
Length
228mm (PL); 229mm (EF); 254.5mm (E)
Weight
2.9kg (PL); 2.95kg (EF); 3.1kg (E)
Weight
2.7kg (PL); 2.75kg (EF); 2.8kg (E)