When you use DPReview links to buy products, the site may earn a commission. Shooting with the Sigma BF in London Photo: Al Power Editor Richard Butler took the Sigma BF as a travel companion on his ...
The body of the Sigma BF is made using an incredible process of 'machining it out of an aluminum ingot over seven hours.' The following article takes a closer look at the exterior of the Sigma BF from ...
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