Pentax -F 28-80mm f/3.5-4.5 vs Tamron 18-270mm f/3.5-6.3 Di II VC PZD

Both are Pentax K lenses. Here is what actually differs.

Pentax

-F 28-80mm f/3.5-4.5

f/3.5

Full specs

Tamron

18-270mm f/3.5-6.3 Di II VC PZD

f/3.5PZD

Full specs

Pick the Pentax -F 28-80mm f/3.5-4.5 if

You shoot close-ups: it focuses down to 0.4 m vs 0.49 m
You shoot full frame: the Tamron 18-270mm f/3.5-6.3 Di II VC PZD is made for APS-C

Pick the Tamron 18-270mm f/3.5-6.3 Di II VC PZD if

You want a wider view: 18mm vs 28mm at the wide end
You need more reach: 270mm vs 80mm at the long end
You shoot handheld in dim light or video: it has optical image stabilization and the Pentax -F 28-80mm f/3.5-4.5 does not

Spec differences

9 differences

Specifications that differ between the Pentax -F 28-80mm f/3.5-4.5 and the Tamron 18-270mm f/3.5-6.3 Di II VC PZD
	Pentax -F 28-80mm f/3.5-4.5	Tamron 18-270mm f/3.5-6.3 Di II VC PZD
Brand	Pentax	Tamron
Type	Zoom	Superzoom
Format	Full frame	APS-C
Focal length	28-80mm	18-270mm
Filter thread	58 mm	62 mm
Min focus distance	0.4 m closer	0.49 m
Optical design	12 elements / 9 groups	not listed
Autofocus motor	not listed	PZD
Image stabilization	No	Yes stabilized

2 identical specs hidden: mount, max aperture. Show all

Mount: Pentax K both
Max aperture: f/3.5 both

Our notes

Pentax -F 28-80mm f/3.5-4.5

A 28-80mm f/3.5-4.5 standard zoom lens, the Pentax -F 28-80mm f/3.5-4.5 is designed for Pentax K mount bodies. The range covers everything from wide scenes to portraits, so it works as a general-purpose lens.

Our notes

Tamron 18-270mm f/3.5-6.3 Di II VC PZD

Tamron 18-270mm f/3.5-6.3 Di II VC PZD: an APS-C superzoom lens with a 18-270mm focal length and a maximum aperture of f/3.5-6.3, made for Pentax K mount cameras, with Vibration Compensation and quiet motor-driven autofocus. A high-ratio travel zoom covering wide-angle to tele...