Venus Optics revealed the price and availability for the Laowa 100mm f/2.8 2x Ultra-Macro APO lens. According to this the Laowa 100mm f/2.8 2:1 Ultra Macro APO lens will be available from late May 2019 with a price tag of $449.

The 100mm f/2.8 2:1 Macro is the 2nd member of Laowa 2:1 macro line-up. This new 100mm lens can cover full frame sensor size and focus from 2:1 magnification to infinity. The lens has a similar physical size to other 100mm Macro lens in the market but its wider magnification range allows macro photographers to capture subjects at any sizes. This 100mm f/2.8 lens can also focus to infinity and serve as a portrait lens with exceptional optics quality.
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https://www.dailycameranews.com/2019/05/laowa-100mm-f-2-8-2x-ultra-macro-apo-lens-price/