PENTAX OR TAMRON

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1,075 posts

14 years
East Suffolk

Link Posted 01/04/2009 - 20:45

My daughter and I both have Tamron 28 - 300 lens`s. Mine on a K10D, hers on a K200D. We are both struggling with focus, they just don`t seem to be that sharp. I put a couple of my shots on the gallery using the tamron. The one with the Pentax 50 - 200 is sharp not `soft` like the Tamron. Scott is suggesting the Pentax 55 - 300 but can I be sure that they will be sharp on the focus front. I don`t consider the Tamron as a dog but as we can`t programme specific lenses into the cameras they just don`t seem to cook the dinner. Be good to have some opinions and experiences from other Tamron users.

Cedric

Enjoy life

rothwell

Member

20 posts

14 years
Kettering, UK

Link Posted 01/04/2009 - 20:52

Hi Cedric, I have a Tamron 18-250 on my K10D and I am really pleased with it. There do not seem to be any issues of soft or unsharp focus.

Best regards.
Geoff Davis

jackitec

Member

1,450 posts

14 years

Link Posted 01/04/2009 - 20:53

Well I have the cheapo Tamron 70-300 and apart from some purple fringing its quite sharp you can see some photos on my gallery lots of zoo photos, I also have the Pentax 18-250 and it is now superglued to my K20 and I just love it, hope I have helped

Jack.

scottthehat

Member

1,053 posts

14 years
devon (honiton)

Link Posted 01/04/2009 - 20:55

cedricd have you tried each others lens on each others camera, you might get better results,

just keep snapping,

http://www.pentaxphotogallery.com/scottbenson

http://s727.photobucket.com/albums/ww272/scottthehat/

CAMERAS = k200d + battery grip.
nikon d300 + battery grip.
LENSES = tamron aspherical DII 18-200mm f3.5/6.3,
nikon 18-200mm afs vr f3.5/5.6 g dx
sigma 150-500mm apo dg hsm os
sigma 170-500mm apo dg
FLASH = samsung sef36pzf flash + more.

Mike-P

Member

13,524 posts

14 years
Hythe, Hampshire UK

Link Posted 01/04/2009 - 21:01

I bought a Tamron 28-300mm to take to Spain on my last trip as I only wanted to take a couple of lenses with me (I have had one before) and it performed ok. Its not spectacular by any means but it's pretty good for the money.

A few shots taken with it .. the wasp nest was with the one I had the first time.

. My Flickr

scottthehat

Member

1,053 posts

14 years
devon (honiton)

Link Posted 01/04/2009 - 21:04

sorry im lost is this the AF28-300mm F/3.5-6.3 XR Di LD Aspherical (IF),

just keep snapping,

Last Edited by scottthehat on 01/04/2009 - 21:07

scottthehat

Member

1,053 posts

14 years
devon (honiton)

Link Posted 01/04/2009 - 21:05

and mike they look cracking to me,

just keep snapping,

George Lazarette

Member

8,165 posts

19 years
London

Link Posted 01/04/2009 - 21:08

They certainly don't look very sharp to me. Have they been cropped, or are they the full image?

G

Keywords: Charming, polite, and generally agreeable.

cedricd

Member

1,075 posts

14 years
East Suffolk

Link Posted 01/04/2009 - 21:09

Thanks everyone, Perhaps we will try swapping over lenses at Easter. just feel let down by The Tamrons. Especially having tried the Pentax 50 - 200 which is very sharp.

Cedric

Enjoy life

cedricd

Member

1,075 posts

14 years
East Suffolk

Link Posted 01/04/2009 - 21:12

Hi Scott yes they are the ones you describe.

Cedric

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cedricd

Member

1,075 posts

14 years
East Suffolk

Link Posted 01/04/2009 - 21:16

Hi Mike, i`m not sure about the cat but the others seem spot on to me, especially the wasps nest. I cant say the ones we take with the Tamrons come close.

Cedric

Enjoy life

scottthehat

Member

1,053 posts

14 years
devon (honiton)

Link Posted 01/04/2009 - 21:27

there was good post a while ago someone else posted about back and front focusing, it explained it very well and i cant find it, but it doesn't mean its the tamrons at fault,

just keep snapping,

Gwyn

Member

10,343 posts

16 years
The Netherlands

Link Posted 01/04/2009 - 21:30

I have an old (non Di) Tamron 28-300. It is back on my Ds now as my husbands lens of choice but I have never had any problems with it, even on the K20D. Maybe the newer lens gives problems.

From what I have seen here the Pentax 55-300 is a really good lens, and may be worth your money - you could always put the Tamrons on e-bay.

cedricd

Member

1,075 posts

14 years
East Suffolk

Link Posted 01/04/2009 - 21:32

Perhaps I will do some more subjective trials. Might be I need to try focussing manually.

Cedric

Enjoy life

scottthehat

Member

1,053 posts

14 years
devon (honiton)

Link Posted 01/04/2009 - 22:07

i would give it ago and try swapping lenses over,

just keep snapping,

Last Edited by scottthehat on 01/04/2009 - 22:22

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