Sigma presented three new a zoom lens

The Sigma company presented three new lenses, having captured a descent three sectors — telephoto lenses, superwide-angle and standard zooms.

Sigma presented three new a zoom lens

Technical f3.5 EX DC HSM Sigma 10-20mm properties:

• focal length: 10 — 20 mm;
• diaphragm: f/3,5 — f/22, 7 petals;
• design: 13 parts in 10 groups;
• ultrasonic motor of ring type;
• small distance of focusing: 24 cm;
• the greatest increase: 0,15x;
• optical filter diameter: 82 mm.

It is available in versions to SLR cameras Sigma, Nikon, Canon, Sony, Pentax and Samsung.

Technical f2.8-4.5 DC OS HSM Sigma 18-50mm properties:

• focal length: 18 — 50 mm;
• diaphragm: f/2,8 — f/22, 7 petals;
• design: 16 parts in 12 groups;
• ultrasonic motor of ring type;
• floating element of stabilization (OS);
• small distance of focusing: 30 cm;
• the greatest increase: 0,24x;
• optical filter diameter: 67 mm;
• dimensions: 74 x 88,6 mm;
• weight: 395 g.

It is available in versions to SLR cameras Sigma, Nikon, Canon, Sony, Pentax and Samsung.

Technical f4-5.6 DC OS HSM Sigma 50-200mm properties:

• focal length: 50 — 200 mm;
• diaphragm: f/4 — f/22, 8 petals;
• design: 14 parts in 10 groups;
• ultrasonic motor of ring type;
• floating element of stabilization (OS);
• small distance of focusing: 110 cm;
• the greatest increase: 0,22x;
• optical filter diameter: 55 mm;
• dimensions: 74,4 x 101,9 mm.

It is available in versions to SLR cameras Sigma, Nikon, Canon, Sony, Pentax and Samsung.

All novelties have in a design elements from low-disperse glass and a multilayer clarifying covering. Start date of sales and retail cost are unknown.

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