Amazon.com : Helios 44-2 58mm F2 Russian Lens for Sony E NEX (for E-mount cameras) : Electronics
Creating swirly bokeh with the Helios 44-2 lens
Helios 44-2 review for travel photography, best beginner's vintage lens! (more than swirly bokeh) – Finland based travel photographer – Blog About Best Places to Visit in Europe | Engineerontour
This Old Lens: Helios 44-2 58mm f/2 – Eric L. Woods