Product details:

Get even more from your favourite lens When you have reached the limits of what your Tamron zoom lens can do, be thankful for this fully-functional Teleconverter. This model, the Tamron 2x Teleconverter will double the focal length of your lens, helping you to stretch out and capture subjects that were previously way out of reach. This accessory will help you get the most out of your already much-loved lens. When in use the Tamron 2x Teleconverter will reduce the aperture of your lens by 2 stops, which makes it more than usable out in the field. The benefits far outweigh this minor hurdle. In another bonus, both the autofocus and Vibration Compensation of your lens will be functional when using this Teleconverter, so you can continue shooting as you were without having to deal with any significant obstacles. The simple streamline design of the new Tamron Teleconverters proves that functionality and beauty can go hand in hand. A metal lens barrel is well suited to modern Tamron lenses, while seals at every joint and seal result in the lens being dust and moisture resistant. these Teleconverters are ready for their time on the road. Broad-band anti-reflection coatings have been applied to the lenses to assure lens flare and ghosting are held at bay. In this 2x teleconverter a low-dispersion lens element has been employed to ensure the highest of image quality is retained and aberrations are minimised.