Sigma 50-100mm f/1.8 DC HSM Art lens specs and images leaked

Sigma is going to announce another crazy and amazing lens, the Sigma 50-100mm f/1.8 DC HSM Art. The lens is for APS-C sensors, and will be announced on February 22. Another zoom lens with constant f/1.8!

Sigma 50-100mm f/1.8 DC HSM Art specs:

• Lens construction: 15 groups, 21 sheets
• Three FLD glass. One SLD glass. One high-refractive-index, high-dispersion glass. Three high refractive index SLD glass
• Filter Size: 82mm
• Minimum photographing distance: 95cm
• Maximum magnification of 1: 6.7
• Total length: 170.7mm
• Maximum diameter: 93.5mm
• Weight: 1490g
• 9 aperture blades
• New developed and thinned ultrasonic motor
• Inner focus, inner zoom
• Suggested retail price is 167,400 yen (tax included)
• Mounts for Canon, for Nikon, for sigma
• Release Date April 22

[via Digicame-Info]