Tamron's new 16 to 300 mm f/3.5 - 6.3 lens and less than 4 inches long.

This from the February 6, 2014, Tamron Press Release: Tamron Co., Ltd. has announced the development of an advanced new all-in-oneTM zoom lens exclusively for digital SLR cameras with APS-C size image sensors that provides an amazing 18.8X zoom ratio. The lens sample will be on display at the Tamron booth at the CP+ 2014, which will be held from February 13 to 16 in Yokohama, Japan.Responding to consumers’ demand for expanded focal lengths both at the wide-angle end of the zoom range and the telephoto end, Tamron has begun developing a completely new all-in-oneTM zoom lens design that provides an impressive focal length range extending from 16mm true wide-angle to 300mm super-telephoto.

Product Highlights

• With a minimum focal length of 16mm (35mm film equivalent: 24.8mm) at the wide-angle end of the zoom range, and a maximum focal length of 300mm (35mm film equivalent: 465mm), this remarkable new lens provides a zoom ratio of approximately 18.8X.
• Superior, reliable image quality with a universal lens. The lens construction features 16 elements in 12 groups.
• A minimum focusing distance of just 0.39 meters supports an extensive range of macro photography capabilities.
• PZD (Piezo Drive) delivers faster, quieter autofocus action.
• Sharper images with VC (Vibration Compensation)
• Moisture-resistant construction for worry-free outdoor shooting.

Specifications:
Model	A010
Focal Length	28-300mm
Maximum Aperture	F/3.5-6.3
Angle of view (diagonal)	75°23’ - 8°15’ (for full-frame format)52°58’ - 5°20’ (for APS-C format)
Lens Construction	19 elements in 15 groups
Minimum Focus Distance	19.3 in (0.49m)
Maximum Magnification Ratio	1:3.5 (at f=300mm: MFD 19.3 in)
Filter Size	Ø67mm
Maximum Diameter	Ø74.4mm
Length (5)	3.8 in (96mm)
Weight	19 oz (540g)
No. of Diaphragm Blades	7 (circular diaphragm)
Minimum Aperture	F/22-40
Standard Accessories	Flower-shaped Lens hood