Comparison of Nikon 70-300mm f/4.5-6.3G ED DX VR AF-P Nikkor and Pentax SMC P-FA 100-300mm f/4.7-5.8

Attribute	Nikon 70-300mm f/4.5-6.3G ED DX VR AF-P Nikkor ×	Pentax SMC P-FA 100-300mm f/4.7-5.8 ×
Closest Focus (m)	1.1	1.5
Magnification Ratio (x)	0.22	0.26
Length (mm)	125	130
Focus Details	AF-P stepping motor; Automatic M/A focus switching	-
Zoom System	Rotary	Rotary
Diaphragm Blades	7	-
Image Circle	APS-C (DX)	35mm
Aperture (f)	4.50 - 32.00	4.70 - 32.00
Name	Nikon 70-300mm f/4.5-6.3G ED DX VR AF-P Nikkor	Pentax SMC P-FA 100-300mm f/4.7-5.8
Brand	Nikon	Pentax
Weight (g)	415	411
Type	Telephoto Zoom	Telephoto Zoom
Lens Construction	14 elements in 10 groups, including 1 ED element; Super Integrated Coating	11 elements in 9 groups
Filter Size (mm)	58	58
Focal Length (mm)	70.00 - 300.00	100.00 - 300.00
Notes	DX Nikkor for use with Nikon Digital SLR models; VR Image Stabilization (up to 4.0 stops)	-
APS Equivalent	105 - 450mm	150 - 450mm
Diagonal Angle of View (degree)	5.33 - 22.83	8.20 - 24.50
Diameter (mm)	72	71