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.


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