Comparison of Pentax 60-250mm ƒ/4 ED IF SDM SMC DA* and Pentax 150-450mm f/4.5-5.6ED DC AW HD D FA

Attribute	Pentax 150-450mm f/4.5-5.6ED DC AW HD D FA ×	Pentax 60-250mm ƒ/4 ED IF SDM SMC DA* ×
Aperture (f)	4.50 - 27.00	4.00 - 32.00
Filter Size (mm)	86	67
Notes	High Definition (HD) coatings; Super Protect (SP) coatings to external surfaces; weather-resistant construction; removable tripod collar	Included Accessories: Lens Hood
Closest Focus (m)	2	1.1
Magnification Ratio (x)	0.22	0.15
Diameter (mm)	95	82
Type	Telephoto Zoom	Telephoto Zoom
APS Equivalent	225 - 675mm	92 - 383mm
Diaphragm Blades	9	9
Image Circle	35mm	APS-C
Focal Length (mm)	150.00 - 450.00	60.00 - 250.00
Brand	Pentax	Pentax
Name	Pentax 150-450mm f/4.5-5.6ED DC AW HD D FA	Pentax 60-250mm ƒ/4 ED IF SDM SMC DA*
Weight (g)	2000	1230
Diagonal Angle of View (degree)	5.50 - 16.50	6.50 - 26.50
Lens Construction	18 elements in 14 groups, including ED elements	15 elements in 13 groups, including 2 ED elements
Zoom System	Rotary with lock	Rotary
Length (mm)	241.5	167.5
Diaphragm Blades Type	rounded	-
Focus Details	Internal with DC motor; Quick-Shift Focus System for changing between AF and MF by simply turning the focusing ring; Focus presets and range limiter	Hybrid SDM/screw drive autofocus, AF/MF switch