see also:

• Nodal Ninja website
• Samyang / Rokinon 7.5mm f/3.5 manual focus fisheye for Micro Four Thirds
• Olympus mZD 8mm f/1.8 Pro fisheye lens
• Panasonic Lumix G 8mm f/3.5 fisheye lens

• manual focus fisheye lens with no electronic counts and is available in Micro Four Thirds system, Sony NEX E-mount camera system and Fujifilm X mirrorless system mounts but gives cropped circle on MFT

• MF f/4 fisheye lens
• 6 groups 7 elements
• 61mm diam x 42mm long
• 200g
• $US279