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Cameras & Lenses » Camera Lenses » Pentax Fit K-Mount » Tamron
The Tamron SP AF 70-200mm f2.8 Di LD (IF) MACRO, is a lightweight, high-performance and fast tele-zoom lens designed for DSLR cameras with both 35mm full-size image sensors and APS-C sized sensors.
Its fast f2.8 aperture enables photographers to work with the minimum depth of field or at higher shutter speeds to freeze action shots whilst offering a the best-in-class Minimum Focussing Distance of 0.95m over the entire zoom range, giving an impressive macro magnification ratio of 1:3.1 when zoomed to 200mm.
The advanced optical construction of the AF 70-200 f2.8 with Tamron’s Multi Lens coatings minimise the possibilities of flare, with three LD (low dispersion) elements effectively compensating for lateral and on-axis chromatic aberrations, resulting in edge-to-edge sharpness and high-contrast image quality to challenge far higher priced alternatives from the mainstream camera brands.
It enables the user to cover a focal length range of 70mm medium telephoto to 200mm telephoto when mounted on a 35mm full-size DSLR camera (109mm to 310mm equivalent* on a DSLR camera equipped with an APS-C sized image sensor). (*) Tamron's conversion ratio is 1.55x
Size & Weight - The Tamron 70-200 f2.8 lens is extremely compact at just 195mm long and 89.5mm diameter with its advanced optical design keeping weight down on the lens itself to a mere 1150g.
One-touch Auto/Manual Switchover Mechanisms - The models for Nikon and Canon cameras can easily and quickly be switched between Auto and manual focus simply by sliding the focus ring back or forwards. (Sony and Pentax systems require AF/MF switchover operation on both the camera and lens).
Whilst in Autofocus the IF (internal focusing) system prevents the focusing ring from rotating ensuring great handling and stability at all times.
Slip the focus ring back and you are immediately in Manual Focus mode allowing you to decide exactly where you want to focus your subject to take control of your depth of field or simply to focus on a particular area of the subject without having to reframe or access alternate focus modes via your cameras menu system. The Manual focus system is well weighted and has a quick action to enable focusing from close to infinity without losing balance and stability.
Detachable Tripod Grip Ring - The lens is supplied with a lightweight and rigid aluminium removable tripod socket.
Flower-shaped Lens Hood - A flower-shaped lens hood is included as a standard accessory. The special hood provides optimum shading of superfluous light whilst allowing full use of the maximum zoom range.
(based on 1 review)
Reviewed by 1 customer
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(20 of 21 customers found this review helpful)
My 2nd choice but better choice
from Essex, UK
Comments about Tamron SP AF 70-200mm f2.8 Pentax Fit Zoom Lens:
I must admit the Tamron 70-200 f2.8 was second choice for me as I was originally looking at another make but there were none to be had, so having waited over a month for nothing I went for the slightly cheaper (in price) Tamron and am well impressed.It is a solidly built yet relatively light lens for its spec. It relies on the camera body for its AF, having no built in AF motor. This makes it slightly slower focussing but not so much as to hinder, even when following football and taking action shots.I have used it for football and wildlife so far both fast paced and static shots and the f2.8 across the full zoom is a dream. Wonderful out of focus backgrounds that just push a subject forward. Having said that and having tested it across its stop down range I find it performs well across the board - f4 being a tad better defined than full open, but then generally lenses have a tendency to suffer this so a slower lens would have to stop down further to acheive its optimum. The manual focus and zoom rings are both smooth and positive.The support mount balances the lens well and is also solidly made.As to lens quality I am very impressed. Red/green chroma shift is not noticable and I haven't needed to tweak this at all in processing, and with the supplied hood attached it copes very well with into the light shots re. flare.Having used this for a couple of weeks now I feel that fate possibly dealt me the better deal. I certainly don't feel I am missing out. OK it doesn't have in-built AF, nor any optical stabilisation, but my Pentax body supplies both and to be honest on the sports shots the f2.8 makes shutter speeds easily fast enough to not need OS.All in all, a reasonably priced, well built, no nonsense lens that is giving me excellent quality images. What more could I ask of it.
Bottom Line Yes, I would recommend this to a friend
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Included Accessories: Flower-shaped lens hood and case
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