Comparison of Nikon Z 24-70mm f/4 S Nikkor and Pentax 17-70mm ƒ/4 AL IF SDM SMC DA

Attribute	Nikon Z 24-70mm f/4 S Nikkor ×	Pentax 17-70mm ƒ/4 AL IF SDM SMC DA ×
Notes	For Nikon Z-mount; Dust- and drip-resistance	Included Accessories: Lens Hood
Magnification Ratio (x)	0.3	0.31
Filter Size (mm)	72	67
Length (mm)	88.5	93.5
Closest Focus (m)	0.3	0.28
Diagonal Angle of View (degree)	34.30 - 84.00	23.00 - 79.00
Focus Details	Internal focusing with stepper motor; A/M switch	Internal; SDM with Quick-shift Focus System
Focal Length (mm)	24.00 - 70.00	17.00 - 70.00
APS Equivalent	36 - 105mm	25.5 - 105mm
Brand	Nikon	Pentax
Image Circle	35mm (Z Mount)	APS-C
Name	Nikon Z 24-70mm f/4 S Nikkor	Pentax 17-70mm ƒ/4 AL IF SDM SMC DA
Weight (g)	500	485
Type	Standard Zoom	Standard Zoom
Aperture (f)	4.00 - 22.00	4.00 - 22.00
Diaphragm Blades	7	7
Diaphragm Blades Type	rounded	-
Lens Construction	14 elements in 11 groups, including 1 ED, 1 aspherical ED and 3 apherical elements; Nano Crystal Coat; Flourine coating on front element surface	17 elements in 12 groups
Zoom System	Rotary with locking retracting mechanism	Rotary
Diameter (mm)	77.5	75