Comparison of Fujinon GF 45-100mm f/4 R LM OIS WR and Tamron SP AF 28-105mm f/2.8 LD Aspherical IF

Attribute	Fujinon GF 45-100mm f/4 R LM OIS WR ×	Tamron SP AF 28-105mm f/2.8 LD Aspherical IF ×
Filter Size (mm)	82	82
Notes	For Fujifilm G-mount; Weather, dust and freeze resistant; Lens caps, hood and case included.	Available AF Mounts: Canon, Minolta, Nikon; Included Accessories: Lens Hood, Case
Length (mm)	144.5	112
Magnification Ratio (x)	0.13	0.21
Diameter (mm)	93	87
Closest Focus (m)	0.65	0.5
Focal Length (mm)	45.00 - 100.00	28.00 - 105.00
Diagonal Angle of View (degree)	30.60 - 62.60	24.00 - 75.00
Brand	Fujinon	Tamron
Image Circle	Medium Format (Fujifilm G-mount)	35mm
Name	Fujinon GF 45-100mm f/4 R LM OIS WR	Tamron SP AF 28-105mm f/2.8 LD Aspherical IF
Weight (g)	1005	880
Type	Standard Zoom	Standard Zoom
Aperture (f)	4.00 - 32.00	2.80 - 22.00
Diaphragm Blades	9	9
Diaphragm Blades Type	rounded	-
Lens Construction	16 elements in 12 groups, including three aspherical elements, one Super ED element and one ED element	15 elements in 13 groups, including 4 aspherical and 3 LD elements
Zoom System	Rotary	Rotary with "Anti-Slip Mode"
Focus Details	Inner focusing mechanism; AF using a linear motor	Internal
APS Equivalent	-	1.5x: 42 - 157.5mm; 1.6x: 44.8 - 168mm
35mm Equivalent	36 - 79mm	-