The technique provided a field of view five times as wide as a traditional lens.
From the newscientist.com
After getting several shots from the front and side of the witness table, I put on my shallow depth-of-field 85mm lens and went around to the back, behind Dimon's chair.
From the independent.co.uk
The technician who performed the test noted an unexpected gap between the field lens and its supporting structure in the corrector and filled it in with an ordinary metal washer.
From the en.wikipedia.org
It allows unbelievable depth of field from just in front of the lens to infinity.
From the guardian.co.uk
A 13mm lens inherently has much more depth-of-field than a 40mm lens.
From the en.wikipedia.org
It is sometimes corrected by a field flattening lens.
From the en.wikipedia.org
Post processing delivers depth of field and other lens effects.
From the techcrunch.com
Notice the compression of perspective and loss of depth of field due to the long lens.
From the en.wikipedia.org
Dennis's depth of field on his 24-70 zoom lens was reduced to inches.