I found this last one instore at Staples at Chadwell Heath. It may be store specific, but just in case check instore for availability. It's a good price as I bought it awhile ago from PCWorld for £35.
Full HD 1080P Webcam with wide angle lens, autofocus and inbuilt mic.
Instantly connect and communicate with the high-end HP Webcam HD 4310. From 3-way video calling to recording video1, the widescreen 1080P HD greatly improves image quality. Auto focus and auto-exposure keep images razor sharp, clear and bright. Plus, this webcam has been tested and certified to provide an optimal Microsoft Lync experience.
Full 1080P (1920x1080) CMOS sensor; USB 2.0 high-speed certified; Video record at up to 1920x1080 at up to 30 FPS; Still picture: up to 13 Megapixels by software interpolation; UVC (Universal Video Class); Tilt and Pan: Tilt (30°, up to 15° down and 15° up) / Pan 360°; 3 buttons on the top: HP Instant Image Capture, HP Instant Chat Button and HP Instant
Advanced HP Webcam HD 4310 works with most video calling services. 3-way video chat connects your network. Consolidates contacts into 1 place. Shares your desktop. Plus, 1-click upload to social sites1 2.
HP Webcam HD 4310 offers amazing image-enhancing features. 1080P widescreen improves video quality. Auto focus keeps images razor sharp. Exclusive HP TrueVision automatically adjusts to changing light conditions.
Jam-packed HP Webcam HD 4310. Universal clip mounts anywhere. 360° pan & 30° tilt freely adjusts. Directional mic cuts down on background noise. Plus take advantage of cool special effects & remote monitoring.
Clean lines. Sleek, streamlined shape. High-end accents. Light & ultra-compact size. The HP Webcam HD 4310 is like your very own miniature masterpiece that's small, space-saving and adds sophistication to any environment.
Microsoft® Windows® XP/Vista™/7/8
0.144 lbs (0.065 kg )
Dimensions (W x D x H)
3.34 x 1.7 x 1.98 in (84.76 x 43.06 x 50.29 mm )
What's in the box
HP Webcam HD 4310; Quick Start Guide; Software and driver CD; Warranty Card
2-year limited warranty
^From HP site: http://www8.hp.com/uk/en/products/oas/product-detail.html?oid=5273436