Hello;
According to our data base, the 2 lens are different focal lengths.
Vivitar Series 1 13mm f/2.8 Ultra Wide Aspherical VIV13MMP - B&H Vivitar Series 1 13mm Ultra Wide Aspherical Lens
Angle of View 78 - 31°
113.8° diagonal angle Elements/Groups
16/13
Bower 14mm f/2.8 Ultra Wide Angle Lens SLY14MMF2.8P - B&H Photo Bower 14mm f/2.8 Wide Angle Lens
Angle of View 92.5° (APS-C)/21mm equivalent Elements/Groups
14/12 (including 2 aspherical & 2 ED lens elements)
C h u c k C a p r i o l a
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