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The Widest Fisheye Lens Ever Manufactured. What started as a 2015 April Fools Day tease has now come to life! The C-4 Precision Optics 4.9mm f/3.5 lens is a specialty lens among specialty lenses. The Hyper Fisheye angle of view on the fully-manual lens provides 270-degrees of coverage that is captured as a circular fisheye image on full-frame E-mount cameras. Check out this photo as a visual example of the lens on a full frame mirrorless body.

It’s Large & Heavy. This lens will not work well in situations that don’t allow for heavy-duty tripod mounting on account of the large amount of glass required to make this wide-angle feat possible. The lens weighs an impressive 28.6-pounds. A lens base with extendable legs is included for horizontal applications and to use as handles. This is a mount the camera on the lens kinda situation.

E-Mount Compatibility. This lens will accommodate Sony full-frame mirrorless cameras inside the lens base but also allows for LWS rail mounting on larger E-mount cinema cameras. The iris and focus rings are geared and ready for accessories.

Optics. Five extra-low dispersion elements keep chromatic aberrations in check, and the entire lens is designed, assembled, and calibrated by the masterful hands at C-4 Precision Optics.

Why? This lens was built with full dome imaging, VR, and 360-video applications in mind, but more importantly, to prove it could be done.