Opteka 6.5mm F3.5 Fish-Eye CS EOS Specifications

Compatibility:

APS-C limited (dumb mount - aperture priority or manual modes only)

Diagonal Angle of View:

167° (diagonal fisheye)

Maximum Magnification:

 

Minimum Aperture:

F22

Number of Aperture Blades:

6

Iris Pattern:

polygonal

Minimum Distance:

30cm

Filter Thread:

none

Maximum Diameter:

77.3mm

Length:

75mm

Weight:

443g

Focus Type:

internal focus mechanism, manual focus only

IR Capability:

reported for the Samyang in IR Forum reviews

Lens Hood:

built-in¹ or bayonet mounted² (both versions available), flower shaped

Produced:

¹2009 and ²2012 by Samyang Optics Co. (compare)

Tests:

 

Additional Information:

Naming that lens a 6.5mm was just a marketing gag by Opteka. The lens is absolutely identical to the Samyang 8mm F3.5 and all other rebadges.