B&H Photo-Video offers the Panasonic Lumix G Vario 45-150mm f/4.0-5.6 ASPH Lens
in Silver, model no. H-FS45150S, for $149
with free shipping
. That's the lowest total price we could find by $50. It features a 90-300mm equivalent focal length, optical image stabilization, silent auto-focus, two aspherical elements, and one ultra high refractive element.