Comparison of Konica Minolta AF 3X-1X f/1.7-2.8 Macro Zoom and Vivitar 2X Series 1 MC4 AF

Attribute	Konica Minolta AF 3X-1X f/1.7-2.8 Macro Zoom ×	Vivitar 2X Series 1 MC4 AF ×
Focal Length Multiplier	-	2X that of the master lens
Notes	-	Available AF Mounts: Canon FE, Nikon F, Sony Alpha
Weight (g)	1100	240
Effective Reduction in Aperture	-	2 f-stops
Brand	Konica-minolta	Vivitar
Name	Konica Minolta AF 3X-1X f/1.7-2.8 Macro Zoom	Vivitar 2X Series 1 MC4 AF
Lens Construction	7 elements in 5 groups	4 elements; Multicoated Optical Glass
Image Circle	35mm	35mm
Closest Focus (m)	25.4	-
Magnification Ratio (x)	3	2
Aperture (f)	1.70 - 27.00	-
Zoom System	Motorized	-
Type	Macro Zoom	Teleconverter