Yongnuo YN100mm F2 Medium Telephoto Prime Lens for Canon

Main Features:

• Perspective Compressed Effect
  The 100mm focal length,which is the equal of 160mm on the APS-C camera, it will let the work generate spatial perspective compressed effect and more close to the background.
• Large Aperture
  F2 large aperture,which blur the background and highlight the subject.  
• Supports Auto Focus (AF) and Manual Focus (MF) Mode
  Supports auto focus (AF) and manual focus (MF) mode,allows you choose the focus mode as needed. 
• Nine Aperture Blades
  The aperture blades up to 9 pieces,which allows you to shoot the near circular defocused spots,appropriately narrow the apertures can shoot the 18 astral effect.
• Metal Bayonet,Outstanding durability
  Adopts chrome high precision metal bayonet,which effectively improve the goodness to fit the camera body and the bayonet ruggedness, wear and corrosion resistance for durable use.
• Equipped with Focusing Range Indicator
  Equipped with focusing range indicator to convenient you to judge the object distance and the size of the depth of field.
• Supports Multiple Shooting Modes
  Supports multiple shooting modes,and the aperture and data can be displayed in the EXIF Information.
• Glass Lenses,Multi-coated
  The whole series products are formed by glass lenses,which with multi-coated and effectively improve light transmittance and the inhibit the ghost shadow and glare in photographing. 
• Gold Plating Technology
  Adopts gold plating metal contacts,effectively improve the signal conductivity and corrosion resistance.

Specifications:

• Lens focal length: 100mm
• Lens structure: 6 groups of 8
• Aperture blade: 9 pieces
• Minimum aperture: F22
• Closest focusing distance: about 0.9m
• Maximum magnification: about 0.14
• Drive system: DC motor
• Maximum diameter and length: about φ76 x 83mm
• Weight: about 390g