Comparison of Pentax SMC P-D FA 100mm f/2.8 Macro and Samsung 100mm f/2.8 Macro Schneider D-XENON

Attribute	Pentax SMC P-D FA 100mm f/2.8 Macro ×	Samsung 100mm f/2.8 Macro Schneider D-XENON ×
Type	Telephoto Prime Macro	Telephoto Prime Macro
Name	Pentax SMC P-D FA 100mm f/2.8 Macro	Samsung 100mm f/2.8 Macro Schneider D-XENON
Weight (g)	345	345
Image Circle	35mm	35mm
Brand	Pentax	Samsung
APS Equivalent	150mm	150mm
Focal Length (mm)	100.00	100.00
Lens Construction	9 elements in 8 groups	9 elements in 8 groups
Diaphragm Blades	8	8
Magnification Ratio (x)	1	1
Closest Focus (m)	0.3	0.3
Filter Size (mm)	49	49
Aperture (f)	2.80 - 32.00	2.80 - 32.00
Diagonal Angle of View (degree)	24.50	24.50
Diameter (mm)	67.5	67.5
Length (mm)	80.5	80.5