Introduction

It’s fair to say that third party lens manufacturers have undergone something of a renaissance in recent years. From Samyang’s inexpensive but optically fine manual focus primes through to Zeiss’s premium optics, photographers now have more choice than for many a year.

And while they once expected to pay less compared to camera manufacturers’ own offerings, at the expense of noticeably inferior quality, this has now been turned on its head, with innovation and optical quality at keen prices the order of the day, spearheaded by market leader Sigma.

Tamron has long held a close second place, and last year engaged upon a revamp of its premium SP lens line. While clearly inspired by Sigma’s premium line of f/1.4 ‘Art’ primes, the company took an intriguingly different approach by combining a slightly slower f/1.8 aperture with built-in optical stabilisation.
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https://www.amateurphotographer.co.uk/reviews/lenses/tamron-sp-85mm-f1-8-di-vc-usd