Your thoughts on radioactive lenses ? I have a Takumar 50mm F1.4 with thoriated glass. I really like the render given by that lens ! : r/VintageLenses
Super Takumar 50mm f1.4 the radioactive lens and my Geiger counter - YouTube
Legacy Lens Review: Pentax Super-Takumar 50mm f1.4 - The Noisy Shutter
Repair: Asahi Super-Takumar 50mm f/1.4 (8-elements) | Richard Haw's Classic Nikon Repair and Review
50mm Lens Comparison – Radioactivity
Super-Takumar 1 Review: 1.4 / 50 Asahi Opt. Co., Lens made in Japan (8/7, Planar assassin) | Happy
The SMC Takumar 85mm f1.9 seems to not be radioactive. : r/AnalogCommunity
Pentax Super-Takumar 50mm F1.4 M42 Screw Mount Thorium Glass Lens
Repair: Bleaching Radioactive Lenses | Richard Haw's Classic Nikon Repair and Review
Radioactive Vintage Lenses - allRadioactive
The Radioactive Dream Lens - Super Takumar 35mm f2 - YouTube
PENTAX EXTRA-HOT RADIOACTIVE LENSES *!* Super-Takumar 55mm f2 - YouTube
Asahi Super Takumar 50 f1.4 – Legacy 50mm. Which one is the best? Part 4 | Verybiglobo photo
File:Yellowing of thorium lenses.jpg - Wikipedia
File:Radioactive Lenses (group shot).jpg - Wikimedia Commons
Radioactive Lens - Super Takumar 50mm f1.4 - Repairing a Damaged Filter Thread & Vintage Lens Test - YouTube
Asahi Pentax Super-Takumar 50mm f/1.4 Model I (8-Element) Vintage Lens Review | ePHOTOzine
Don't Sleep with Yellow Lenses, Darlin' - 35mmc
Asahi Pentax 55mm f/1.8 Super-Multi-Coated Takumar – Disassembly and Clean-up – My Take on Photography (Lens Repairs Mostly)
Radioactive Lenses and Everything About Them - Lens Legend
Excursion – Radioactive Lenses
Asahi Pentax Super-Takumar 50mm f/1.4 Lens radioactive? - PentaxForums.com
Another strange 50mm Takumar - PentaxForums.com
SMC/S-M-C/Super Takumar 50mm F1.4 Reviews - M42 Screwmount Normal Primes - Pentax Lens Reviews & Lens Database
The SMC Takumar 50mm F1.4 lens is Very Sharp But it Has a Dirty SECRET | Sam Seabornen
