“Fastest Lens In the World” – The Handevision Ibelux 40mm f/0.85

Started Dec 27, 2013 | Discussions thread
ZoneV Regular Member • Posts: 209
Re: “Fastest Lens In the World” – The Handevision Ibelux 40mm f/0.85

There are faster specialized custom lenses but the Ibelux 40mm is nearly a full stop faster than Leica’s revered f/1.0 Noctilux, making it the fastest “serial production” lens available.

Older discussion, but a small comment:
For me f/0.85 is nearly half an f-stop faster than f/1.0.
One full f-stop would be f/0.71.
Or do they talk about transmission T-stops?

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