My Crazy Lenses – Topcor R 30cm f/2.8 and its Modern State-of-the-Art Counterparts – „Supertele-Lenses“
Travel on my time-machine The known Facts – Topcor 30cm f/2.8 Topcor 30cm f/2.8 – Optical Performance The Reference: Canon EF 300mm f/2.8 IS USM Three more 300mm f/2.8-teles Attention: …
