Sigma 4.5mm f/2.8 EX DC HSM Circular Fisheye
Last updated (05 August’10):
- Review by ShutterBug
The Sigma 4.5mm f/2.8 EX DC HSM Circular Fisheye features 4.5mm at focal length with maximum aperture of f/2.8. The lens construction has 13 Elements in 9 Groups and has diagonal angle of view at 180 degrees. Closest focusing distance at 13.5 cm/5.3 in and has a filter size of Insertion-type gelatin filter into rear of the lens. The Sigma 4.5mm f/2.8 EX DC HSM Circular Fisheye lens weighs 470g/16.6oz and it measures 3.0 inches in diameter and 3.1 inches long.

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Sigma 17-35mm f/2.8-4 EX DG IF HSM
Last updated (04 August’10):
- Review by Popphoto
The Sigma 17-35mm f/2.8-4 EX DG IF HSM features 17-35mm at focal length with maximum aperture of f/2.8-4. The lens construction has 16 elements in 13 groups and has diagonal angle of view at 103.7 degrees. Closest focusing distance at 27cm/1ft 1in and has a filter size of 77mm. The Sigma 17-35mm f/2.8-4 EX DG IF HSM lens weighs 0.56kg and it measures 83.5mm in diameter and 88.7mm long.

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Sigma 170-500mm f/5-6.3 DG RF APO
The Sigma 170-500mm f/5-6.3 DG RF APO features 170-500mm at focal length with maximum aperture of f/5-6.3. The lens construction has 13 Elements in 11 Groups and has diagonal angle of view at 14.5 degrees. Closest focusing distance at 300-320cm and has a filter size of 86mm. The Sigma 170-500mm f/5-6.3 DG RF APO lens weighs 1345gr/47.4oz and it measures 3.6 inches in diameter and 9.1 inches long.

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Sigma 80-400mm f/4.5-5.6 EX OS APO RF
Last updated (03 August’10):
- Review by The-digital-picture
The Sigma 80-400mm f/4.5-5.6 EX OS APO RF features 80-400mm at focal length with maximum aperture of f/4.5-5.6. The lens construction has 20 elements in 14 groups and has diagonal angle of view at 30.3 degrees. Closest focusing distance at 1.8m and has a filter size of 77mm. The Sigma 80-400mm f/4.5-5.6 EX OS APO RF lens weighs 3.9 pounds and it measures 3.7 inches in diameter and 8 inches long.

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Sigma 28-70mm f/2.8 EX DG IF Aspherical
Last updated (31 July’10):
- Review by Photodo
The Sigma 28-70mm f/2.8 EX DG IF Aspherical features 28-70mm at focal length with maximum aperture of f/2.8. The lens construction has 14 elements in 12 groups and has diagonal angle of view at 75.4 degrees. Closest focusing distance at 0.33m and has a filter size of 67mm. The Sigma 28-70mm f/2.8 EX DG IF Aspherical lens weighs 18 Ounces and it measures 2.9 inches in diameter and 3 inches long.

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Sigma 8mm f/4 EX DG Circular Fisheye
Last updated (30 July’10):
- Review by Ephotozine
The Sigma 8mm f/4 EX DG Circular Fisheye features 8mm at focal length with maximum aperture of f/4. The lens construction has 10 Elements in 6 Groups and has diagonal angle of view at 180 degrees. Closest focusing distance at 20cm and has a filter size of Rear (Gelatin filter). The Sigma 8mm f/4 EX DG Circular Fisheye lens weighs 320gr/11.2oz and it measures 2.8 inches in diameter and 2.4 inches long.

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Sigma 500mm f/4.5 EX DG IF HSM APO
Last updated (30 July’10):
- Review by Photodo
The Sigma 500mm f/4.5 EX DG IF HSM APO features 500mm at focal length with maximum aperture of f/4.5. The lens construction has 11 Elements in 8 Groups and has diagonal angle of view at 5 degrees. Closest focusing distance at 400 cm/157.5 in and has a filter size of 46mm. The Sigma 500mm f/4.5 EX DG IF HSM APO lens weighs 3100g/109.7oz and it measures 4.8 inches in diameter and 13.8 inches long.

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Sigma 100-300mm f/4 EX DG IF HSM APO
Last updated (30 July’10):
- Review by Lenstip
The Sigma 100-300mm f/4 EX DG IF HSM APO features 100-300mm at focal length with maximum aperture of f/4. The lens construction has 16 Elements in 14 Groups and has diagonal angle of view at 24.4 degrees. Closest focusing distance at 180 cm/70.9 in and has a filter size of 82mm. The Sigma 100-300mm f/4 EX DG IF HSM APO lens weighs 1480g/52.2oz and it measures 3.6 inches in diameter and 8.8 inches long.

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Sigma 28-200mm f/3.5-5.6 DG IF Macro Aspherical
Last updated (30 July’10):
- Review by Photodo
The Sigma 28-200mm f/3.5-5.6 DG IF Macro Aspherical features 28-200mm at focal length with maximum aperture of f/3.5-5.6. The lens construction has 16 elements in 14 groups and has diagonal angle of view at 75.4degrees. Closest focusing distance at 0.48m and has a filter size of 62mm. The Sigma 28-200mm f/3.5-5.6 DG IF Macro Aspherical lens weighs 0.4kg and it measures 74mm in diameter and 86mm long.

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Sigma 300-800mm f/5.6 EX DG HSM APO
Last updated (29 July’10):
- Review by ShutterBug
The Sigma 300-800mm f/5.6 EX DG HSM APO features 300-800mm at focal length with maximum aperture of f/5.6. The lens construction has 18 Elements in 16 Groups and has diagonal angle of view at 8.2 degrees. Closest focusing distance at 600 cm/236.2 in and has a filter size of 46mm. The Sigma 300-800mm f/5.6 EX DG HSM APO lens weighs 5870g/207oz and it measures 6.2 inches in diameter and 21.3 inches long.

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