Sigma 500mm f4.5 APO EX DG - Pentax fit


£3,849.99
RRP £4,799.99 Save £950.00
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Fast maximum aperture telephoto lens optimized for digital SLR cameras. This ultra-telephoto lens has a fast maximum aperture, and also features a new super multi-layer coating, which optimizes the characteristics of digital SLR cameras.

ELD Glass
Two ELD glass elements in the front lens elements reduce chromatic aberration to a minimum and also ensure sharp, quality images of high contrast.

Internal Focusing System
The Internal Focus system ensures the overall length of the lens does not change during focusing, ensuring convenient handling and ease of use.

HSM Focusing
Sigma’s Hyper Sonic Motor (HSM) ensures ultra-quiet and high-speed auto-focusing and full time manual focus overide.

Rear Filter System
A drop-in 46mm filter holder in the rear part of the lens barrel, which can be rotated to facilitate the use of filters, including a polarizing filter which comes included with the lens.

Teleconverters
By adding an APO teleconverter (optional extra), you can use this lens as a 700mm F6.3 MF ultra-telephoto lens with a 1.4X EX teleconverter, or as a 1000mm F9 MF ult ra-telephoto lens with a 2X teleconverter.  

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