Tamron SP 70-300mm f/4-5.6 Di VC USD vs Vivitar 75-205mm f/3.8 Auto Tele-Zoom

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

Tamron

Pick the Tamron SP 70-300mm f/4-5.6 Di VC USD if

You want a wider view: 70mm vs 75mm at the wide end
You need more reach: 300mm vs 205mm at the long end

Pick the Vivitar 75-205mm f/3.8 Auto Tele-Zoom if

Our spec data shows no clear advantage for this lens.

Spec differences

7 differences

Specifications that differ between the Tamron SP 70-300mm f/4-5.6 Di VC USD and the Vivitar 75-205mm f/3.8 Auto Tele-Zoom
	Tamron SP 70-300mm f/4-5.6 Di VC USD	Vivitar 75-205mm f/3.8 Auto Tele-Zoom
Brand	Tamron	Vivitar
Focal length	70-300mm	75-205mm
Max aperture	f/4	f/3.8
Filter thread	62 mm	not listed
Min focus distance	1.5 m	not listed
Autofocus motor	USD	not listed
Image stabilization	Yes	not listed

2 identical specs hidden: mount, type. Show all

Mount: Pentax K both
Type: Telephoto Zoom both

Our notes

Tamron SP 70-300mm f/4-5.6 Di VC USD

This 70-300mm f/4-5.6 full-frame telephoto zoom lens from Tamron fits Pentax K mount cameras, from the Tamron SP series with Vibration Compensation. The range suits sports, wildlife, events and portraits.

Our notes

Vivitar 75-205mm f/3.8 Auto Tele-Zoom

The Vivitar 75-205mm f/3.8 Auto Tele-Zoom is a telephoto zoom lens covering 75-205mm at f/3.8 for Pentax K mount cameras. The range suits sports, wildlife, events and portraits.