sharp, lack of distortion, good flare control, resolution light and comes with hood

attach filters to hood is messy-and its an 82mm (ouch)however i have found without the hood i can use a 67mm. Mine is the newer version.

Brilliant. This lens has great resolving power. Even on ordinary prints from the lab the back ground details can clearly be seen. A little low in contrast and colour but a polariser improves this. If you like wide angles get this lens

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17-35mm sigma, 20mm pentax, 14mm tamron

Sharp Well built Clever Adaptall system enables lens to be used on all popular SLRs. Good flare control (for an extreme wide angle) Built-in filters (early 17mm) Inexpensive for what you are getting

No built-in red filter. The lens hood takes screw-in 82mm filters, but it is quite awkward and difficult to use. Once, the 82mm red I was using got stuck and I had to get the repair shop to loosen it. Remember, however, this criticism is for the early version. I believe the later version of the lens lacks built-in filters, but takes screw-in ones on the lens itself.

I have the early Tamron SP 17mm model with the built in filters. I bought this lens new more than 20 years ago.

Customer Service

Lens has never needed servicing

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None

Good sharpness and contrast for a 17mm; and you don''''''''t have to pay several salaries to get one. (At least salaries like mine!). Nice old-days metal contruction (if a dog attacks you, you can surely knock him down with it.) So: pictures, price and built. And, certainly, you can buy ONLY ONE and share it with all your friends camera brands.(Maxxums/Dynax and EOS in stop-down mode). Long live Adaptall mounts!

None I can think of. And I''''''''ve been using it in different situations for over a year.

I''''''''ve had Tamron lenses since my first SLR in 1982. Great Adaptall-2 system, having used over 20 cameras of 8 different brands. The cameras, myself, and the lenses have improved. Tamron -as most brands- has "simple" non-discerning beginner stuff (not bad, but...), and some Professional quality lenses that can stare Nikons, Canons and even "higher" brands in the eye without any shame. Like the SP 90/2.5 macro (I tried versions 1 and 2), the SP 28-80/3.5-4.2, and certainly the SP 17/3.5. Optically sharp and contrasty (for a 17mm), and though Leica or Contax must surely have better edge and corner sharpness... the Tamron costs less than my house. I love wideangles, and this one is solid, smooth and it certainly delivers. And zoom users will rejoice again at a prime''''''''s minimum focusing distance.

Customer Service

Knock on wood! Never needed it. And that is a good indicator too.

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Tamron 24/2.5 (I''''''''ll comment on it when I get some first results from the lab), 24/2.5, Tamron 24-70 AF (weeelll...)