SEA & SEA M77 INTERNAL CORRECTION LENS
When used with a 77mm diameter wide-angle zoom lens, the lens corrects image aberration and distortion*. The lens helps reproduce clear images when mounted on a compatible lens for interchangeable lens cameras (full-frame SLR cameras).
* Field curvature and distortion are rectified by approximately 2 f-stops values.
- Compatible Port
- Fisheye Dome Port 240
- Optical Dome Port II 165
- Optical Dome Port II 230
- Compatible Lenses
- Canon EF17-40mm F4L USM
- Canon EF 16-35mm F4L IS USM
- Nikon AF-S 16-35mm F4G ED VR※
- Nikon AF-S Nikkor 18-35mm F3.5-4.5G ED
※Only Fisheye Dome Port 240
- Lens Construction 1 element in 1 group (AR-multi-coated on both sides)
- Dimensions (WxHxD) 85 x 8.4mm / 3.3 x 0.3 inches
- Weight 48g / 1.7oz
- Construction Optical glass (AR-multi-coated on both sides) and corrosion-resistant aluminum alloy.