see also:

• a catalogue of Micro Four Thirds lenses
• Panasonic Lumix G 8mm f/3.5 fisheye lens
• Olympus ZD 8mm f/3.5 fisheye lens
• Samyang / Rokinon 7.5mm f/3.5 manual focus fisheye for Micro Four Thirds
• the E-M1 Mark II has an automatic fisheye correction feature for this lens creating rectilinear jpegs:
  • https://www.creativeislandphoto.com/blog/8mm-fisheye-correction

Milky Way and Great Ocean Road, Victoria - see my blog post

Milky Way, Centaurus, Magellanic Clouds and meteor and 4 planets just before sunrise at Craig's Hut.

Milky Way, Centaurus, Magellanic Clouds and meteor from my camp site atop Mt Stirling 30secs on tripod at f/1.8, ISO 3200 - optics are pretty damn good!

• released June 2015
• weatherproof PRO series fish eye lens for Micro Four Thirds system

• 8mm rectilinear fisheye (covers whole image area NOT circular)
• f/1.8 aperture makes it the fastest aperture fisheye lens available and should be great for astrophotographic landscapes of the Milky Way, observing and photographing aurora borrealis and aurora australis and underwater
• close focus 12cm
• focus by wire
• 17 elements in 15 groups, including 1 aspherical element, 3 Super ED elements, 2 ED elements, 1 'Super HR' and 2 HR elements
• 80mm long x 62mm diam
• 315g
• $US999

• My blog - using the fisheye at a surrealist art exhibition
• My blog: Milky Way astroscapes over Craigs Hut using the fisheye
• Milky Way astroscape – Olympus OM-D with 8mm f/1.8 fisheye vs Sony a7II full frame with Canon TSE 17mm tilt shift lens
• image samples
  • check out the awesome aurora image and the star shapes are extremely good for such a lens, although there is some aberrations in top right corner but to my mind, it beats their Olympus m.ZD 12mm f/2.0 lens in this regard
• dpreview.com's preview
• http://robinwong.blogspot.it/2015/06/olympus-mzuiko-8mm-f18-fisheye-pro-lens.html
• http://www.cameralabs.com/reviews/Olympus_M_Zuiko_Digital_8mm_f1-8_Fisheye/