ebay-itus


robby

Link Posted 13/02/2008 - 14:51
Bought another lens from that wonderful site - a Tamron 90mm 2.8 macro - all for 50 .

Its a 172E which I think is the older version of the current lens but it looks in perfect nic and works perfectly.
Went out this morning and snapped a few this morning and it looks one cool lens.

2.5s f20 100 90mm



1/125s 2.8 100 90mm



1/6s 6.3 100 90mm



Might be even good for the odd portrait
1/320s 7.1 100 90mm



Anybody know what the full and limit switch is for? Think I saw on here once its something to do with focusing??

Clarky

Link Posted 13/02/2008 - 14:56
I hope you grow to love that lens as i have, Its a ripper.
Great shots, I like #1.
Is that lens AF Sounds like you got a bargain.
Camera:|K-7|
Pentax Lenses:|DA12-24/f4 ED AL|DA35Ltd Macro|FA31Ltd|FA77Ltd|FA50/1.4|F70-210|FA20-35 f4/AL|A*200/f4 Macro ED|A50/1.7|A50 Macro f2.8|1.7xAF adapter|
Voigtlander|125/f2.5SL Macro APO Lanthar|
Sigma Lenses:|EX DG 100-300 f4|2X & 1.4X TC|
Flashes:|AF540FGZx2|RingFlash AF160FC|

johnriley

Link Posted 13/02/2008 - 15:21
The limit switch will stop the lens hunting all the way out to infinity and back when doing close up work.
Best regards, John

MattMatic

Link Posted 13/02/2008 - 15:23
You did well for 50

Full = focus all the way from infinity to macro
Limit = either infinity to 1m (ish) or 1m to macro.

If you're using the lens as a fast telephoto, setting it to "Limit" will help with focus speed. It will hunt far less. If you have it on "Full" it will often go winging off to macro regions and take an age to focus.

(The Pentax SMC-F 100/2.8 macro has the same thing)
Matt
http://www.mattmatic.co.uk
(For gallery, tips and links)

Mongoose

Link Posted 13/02/2008 - 17:19
you got the AF version for 50? I am SO jealous!

Hope you grow to love it, my older Tamron SP F2.5 90mm manual focus version has yet to let me down and the newer ones are reputed to be at least as good.
you don't have to be mad to post here



but it does help
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