• Production Year: 1982
• FOV: 180° Circular
• Mininum Focus:7.87"
• Aperture Scale: f4.0 to f22.0
• Filters: N/A
• Dimensions: 68.5mm x 55mm
• Weight: 250g
• Lens Hood : N/A - 72mm Cap
• Production Year: 1980
• FOV: 180° Full Frame
• Mininum Focus:5.90"
• Aperture Scale: f2.8 to f22.0
• Filters: N/A
• Dimensions: 66mm x 50mm
• Weight: 305g
• Lens Hood : Built In Petal
• Production Year: 2005
• FOV: 180° Full Frame
• Mininum Focus: 5.90"
• Aperture Scale: f2.8 to f22.0
• Filters: Rear Gel
• Dimensions: 73.5mm x 65mm
• Weight: 370g
• Lens Hood : Built In Petal
• Production Year: 2003
• FOV: 180° Full Frame
• Mininum Focus: 11.02"
• Aperture Scale: f4.5 to f22.0
• Filters: Rear Gel
• Dimensions: 87mm x 100mm
• Weight: 615g
• Lens Hood : Built In Petal
• Production Year: 1972
• FOV: 84°
• Mininum Focus:787"
• Aperture Scale: f2.8 to f22.0
• Filters: 62mm
• Dimensions: 73mm x 57mm
• Weight: 270g
• Lens Hood : Sigma Perfect 62mm Clamp On
• Production Year: 2006
• FOV: 110 - 71.6°
• Mininum Focus:11.81"
• Aperture Scale: f3.5 to f22.0
• Filters: Rear Gel
• Dimensions: 87mm x 132.5mm
• Weight: 620g
• Lens Hood : Built In Petal
• Production Year: 1979
• FOV: 2.7°
• Mininum Focus:6.0 ft.
• Aperture Scale: f8.0
• Filters: Rear 32mm Drawer or 86mm Front
• Dimensions: 121.88mm x 90.0mm
• Weight: 830g
• Lens Hood : Sigma 86mm