Tamron Adaptall-2 24mm F/2.5 Model 01B: A very wide angle lens with above average performance, although not quite as good as some of the best OEM lenses of the era which were much more expensive. Tamron nevertheless should be commended for producing a very fast and wide angle lens which provides very good optical performance. The design is notable for being fairly compact and lightweight which, for you, may be desirable attributes. Optical performance wide open is somewhat below that of the 24mm F/2.8 Nikkor, yet is sure to please at F/5.6 and smaller apertures. Read more...