Tamron Adaptall SP 300mm F/2.8 LD-IF


chirpy

Link Posted 26/01/2008 - 12:24
Just got a used Tamron Adatpall SP 300mm F/2.8 LD-IF in lovely condition and went out with it on my monopod (boy is this a heavy lens). From my GX10, F4, manual focus:







Jonathan

Macro & Wildlife Photography

MX veteran

Link Posted 26/01/2008 - 13:28
The power of the prime lens. Why buy new when you can get results like that.
I work on a tight budget and have got some real bargains off eBay. Unlike some people, I have had no problems with exposure issues using old K mount lenses.
K100D Super, 18-55, 50-200, Sigma 10-20, Sigma 70mm macro and lots of old lenses

chirpy

Link Posted 26/01/2008 - 14:27
It's a fun lens to use and I've had a few people come up and ask about it as it's such a huge thing. Picked it up for ~350 on fleabay (I believe it went for 1500 in its day). I've just got to practice my manual focusing skilles, but with that wide f2.8 at 300mm it's stunningly clear and sharp in the viewfinder.
Jonathan

Macro & Wildlife Photography

MX veteran

Link Posted 26/01/2008 - 16:41
More info on Tamron here

http://www.adaptall-2.com/index.html

Which is your model?
K100D Super, 18-55, 50-200, Sigma 10-20, Sigma 70mm macro and lots of old lenses

chirpy

Link Posted 26/01/2008 - 16:45
It's the 60B
Jonathan

Macro & Wildlife Photography

Mac

Link Posted 26/01/2008 - 16:47
Wow, Chirpy!

Certainly no problems there!

Nice shots.

Cheers
Mac from Montreal

SP, SPII, SPF, PZ-10, P30, SFX, K110D, istDS, Optio 60, Z-10, H90, RZ10, I-10, f3.5 28mm, f1.8 55mm, f1.4 50mm, f3.5 135mm, f2.5 135mm, f4 50mm Macro, f4.5 80-200 F, f4 35-70, f3.5 28-80, f3.5 35-135, f3.5 18-55, f1.8 31mm Ltd., two Auto 110's, Auto 110 lenses and filters, tubes, bellows, Manfrottos and a sore back.

ChrisA

Link Posted 26/01/2008 - 17:09
MX veteran wrote:
Unlike some people, I have had no problems with exposure issues using old K mount lenses.

The people having exposure issues with pre-A lenses in stop-down metering mode would be the K10D owners.

AIUI, the K100D is Ok in this regard.

chirpy

Link Posted 26/01/2008 - 17:39
I got a P/KA adaptall adapter for the lens which provides auto exposure settings without problems, so long as I get the fiddly tab bits correctly lined up
Jonathan

Macro & Wildlife Photography

iceblinker

Link Posted 26/01/2008 - 18:47
What exactly is the problem with the K10D with manual exposure lenses? Is anyone absolutely sure it's worse in this respect than any other model?

I've occasionally had dodgy readings with my DS (and with auto lenses as well, to be fair!) - but then I simply dial in some adjustment and try again.

PS. Just noticed that Chirpy has a GX10 (K10D clone) - and Chirpy's exposures look good!
~Pete

niblue

Link Posted 26/01/2008 - 19:03
iceblinker wrote:
What exactly is the problem with the K10D with manual exposure lenses? Is anyone absolutely sure it's worse in this respect than any other model?

My DS always works out the correct exposure using stop-down metering however while my K10D calculates a correct exposure wide open it over-exposes at smaller apertures. It's not a big deal though as I meter wide open and work out the exposure from that if I want to use a smaller aperture.

Daniel Bridge

Link Posted 29/01/2008 - 17:49
Hi Chirpy,

I've had the same lens for 3 years now, but it doesn't go out much - you mentioned something about it being heavy...?

However, this weekend we went up to north norfolk, and popped into Pensthorpe Nature Reserve and Garden, which has some aviaries as well as lakes, outdoor enclosures etc. First time I've been there, but it's well worth a visit to get close to some birds that you wouldn't normally be able to, as well as trying your luck with the ducks on the lakes.

I took the 300mm, and used it mainly on my tripod, as I find manually focusing it easier that way. Still, more misses than hits I'm afraid.

But I did get quite a few that I was more than happy with, and at the risk of hijacking your thread, I'm going to post a few. Hope you don't mind.

Main reason for doing so is that this is a lens that can give superb results, but I often forget that because of the amount of duffs I get out of it, either from inaccurate focusing, too slow shutter speed (subject blur, especially birds), or because I use a teleconvertor with it and it doesn't look so good.

Anyway, here goes:












(Cropped 100% detail of the pic above)



(Sorry about the file size of that last one, lots of fur detail... )

All shot with my K10D, most at f/6.7. It made me think at the time would I be better off with something like the Sigma 100-300 f/4 EX, as I don't use this Tamron wide open, and I would expect the Sigma to be as good as, or better than this. With the benefit of AF. But then that's 750.

Dan
K-3, a macro lens and a DA*300mm...

chirpy

Link Posted 29/01/2008 - 18:42
Hi Dan,

Those shots are simply stunning. I now have something to aspire to - well done.

Me, I'd like the Sigma 500mm F4.5 Met someone today who had it on a Nikon who said he uses it wide-open all the time and it's very sharp. I can dream

I'm enjoying manual focus. In fact, I'm preferring it to auto-focus on some of my lenses and find my focus hit rate is getting better for using it more often.
Jonathan

Macro & Wildlife Photography

Malo1961

Link Posted 29/01/2008 - 19:25
Well Dan, if you ever get tired of that heavy lens, just name a fair price, and i take the weight of your shoulders. Stunning pictures btw.
Martin.
Best regards,

Martin.


Curious about my photography?? Just Follow the Light.

robby

Link Posted 29/01/2008 - 19:49
When I saw them pics Chirpy my LBA kicked in, real nice first pics
When I saw Dan's pics it kicked me harder still.

Number 1 is a corker Dan, the bird and the colours are fantastic but that bird, the reflection and the colours in number 2 are something else

chirpy

Link Posted 29/01/2008 - 21:50
This is as good as I could get the second day out with the lens. Remember these are on a monopod and I'm still getting used to it, and I've only been at this DSLR stuff just over 6 months :






Jonathan

Macro & Wildlife Photography
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