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FotoGear | Lenses

Sigma

FotoGearLens Sigma -

Fisheye: • 8mm Filtermatic Circular

12mm f8.0

16mm Filtermatic Fullframe
UltraWide: • Rare 18mm Filtermatic

24mm XQ Filtermatic
Rare Reflex: • 400mm f5.6 Matte White

600mm f8.0 Khaki

• Sigma Fisheye

1 • Sigma Filtermatic Circular Fisheye 8mm f4.0 Nikon F

The Sigma Filtermatic Circular Fisheye 8mm f/4.0 is a classic manual-focus circular fisheye lens originally released in the early 1980s. It is highly regarded by vintage lens collectors for its "Filtermatic" feature—a built-in turret system that allows users to switch between internal filters. Filtermatic System: The lens contains internal 22.5mm filters. Accessing or changing them requires separating the lens into two halves, which is a unique mechanical characteristic of this vintage series.

• Production Year: 1982 • FOV: 180° Circular • Mininum Focus:7.87" • Aperture Scale: f4.0 to f22.0 • Dimensions: 68.5mm x 55mm • Weight: 375g
• Lens Hood : N/A - 72mm Cap • Image Circle: 22mm diameter

2 • Sigma Fisheye 12mm f8.0 Canon FD

• Production Year: 1961-1969 • FOV:Up to 180° diagonal (or roughly 150° horizontally) • Mininum Focus:7.87" • Aperture Scale: Fixed f8.0
• Dimensions: 84mm x 58mm • Weight: 300g

3 • Sigma Filtermatic Fullframe Fisheye 16mm f2.8 Pentax K

The Sigma Filtermatic Fisheye 16mm f/2.8 for Pentax K-mount is a vintage, manual-focus prime lens known for its 180° diagonal field of view on full-frame cameras. It is distinct for its "Filtermatic" system, which features built-in filters—typically UV, blue, and orange—that can be toggled using a ring or wheel.

• Production Year: 1980 • FOV: 180° Full Frame • Mininum Focus:5.90" • Aperture Scale: f2.8 to f22.0 • Filters: Clear, Yellow, Orange and Light Blue 82C
• Dimensions: 66mm x 50mm • Weight: 305g • Lens Hood : Built In Petal

4 • Rare Sigma XQ Filtermatic UltraWide 18mm f2.8 Pentax K

The Sigma 1:2.8 f=18mm XQ Filtermatic is a rare, vintage manual-focus ultra-wide-angle prime lens initially introduced in 1977. It stands out as an exceptionally hard-to-find piece on the used market, highly regarded by collectors for its specialized built-in filter mechanism designed to aid analog black-and-white photography.

• Production Year: 1977 • FOV: 100° • Mininum Focus: 2.75" • Aperture Scale: f2.8 to f22.0 • Filters: Clear, Yellow, Orange and 82C
• Dimensions: 80mm x 89mm • Weight: 350g • Original MSRP: $397 USD

5 • Sigma Filtermatic XQ UltraWide 24mm f2.8 Nikon F

• Production Year: 1980 • FOV: 84° • Mininum Focus: 7.8" • Aperture Scale: f2.8 to f22.0 • Filters: Clear, Yellow, Orange and 82C | Front 62mm
• Dimensions: 66mm x 50mm • Weight: 270g • Lens Hood : Built In Petal

• Rare Sigma Reflex

6 • Rare Sigma Mirror Reflex 400mm f5.6 Nikon F Matte White

The white (or light gray) version of the Sigma Mirror-Telephoto 400mm f/5.6 catadioptric manual focus lens is highly uncommon and considered quite rare by collectors. Introduced in the mid-1983 to 1985 era, this distinctive version stands out primarily because it includes a built-in tripod collar/mount, whereas the more commonly found standard black variant ("Synchro-II") completely lacks a tripod foot.

• Production Year: 1983 • FOV: 6.0° • Mininum Focus: 6.0 ft. • Aperture Scale: f5.6 • Filters: Rear 30.5mm Drawer or 86mm Front
• Dimensions: 112.0mm without the lens hood • Weight: 625g • Lens Hood : Sigma 86mm

7 • Rare Sigma Mirror Reflex 600mm f8.0 Canon FD Khaki

The Sigma 600mm f/8.0 Mirror Reflex in "Khaki" (often referred to as military green or olive drab) is a rarer aesthetic variant of the standard black catadioptric lens produced during the film era. While most units found on the used market are black, the khaki version was released in limited quantities, often associated with wildlife or specialized outdoor use.

• Optical Design: 6 elements in 6 groups; utilizes mirrors to fold the light path, making it much more compact than traditional 600mm telephotos.

• 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