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Tamron 18-270mm 365 road test

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JJGEE
JJGEE  96284 forum posts England18 Constructive Critique Points
2 Sep 2011 - 7:22 PM

A general question

How much of the quality of these images is down to the lens and how much down to post capture processing, particularly, say, the sharpening ?

Oh, I think they look even better on the blog's black background Smile

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2 Sep 2011 - 7:22 PM

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discreetphoton
discreetphoton Site Moderator 93451 forum postsdiscreetphoton vcard United Kingdom20 Constructive Critique Points
3 Sep 2011 - 9:07 AM

Thank you JeffSmile

I do sharpen before I upload my pictures, but usually just apply TRA2 (The Revenge) "Better web sharpen", so there's no more sharpening given at these sizes than my regular uploads using top-flight lenses.

I should add the I did crop the dragonfly, but it's not pushing it too far. I've made three RAW files available to members for download, and they're awaiting approval. I'll add the direct links when they're given the green light.

Coleslaw
Coleslaw e2 Member 913403 forum postsColeslaw vcard Wales28 Constructive Critique Points
3 Sep 2011 - 9:15 AM

So, what do you think of the lens so far, for example, IQ, sharpness, focusing speed etc?
How is it compared to other lenses you have?

JJGEE
JJGEE  96284 forum posts England18 Constructive Critique Points
3 Sep 2011 - 9:44 AM


Quote: I've made three RAW files available to members for download, a

Excellent idea Smile

Then anyone can have a go with their own processing skills ( or lack of ! )

discreetphoton
discreetphoton Site Moderator 93451 forum postsdiscreetphoton vcard United Kingdom20 Constructive Critique Points
3 Sep 2011 - 3:24 PM

So far Cole, really impressed.
The short version is that I really enjoy using it.
It doesn't seem to follow the normal rules for superzooms, in that the trade-off's are well managed. It stays reasonably sharp throughout the entire range, and it doesn't seem to suffer from any loss of contrast at the long end, which was something I experienced with the Nikon 18-135mm. There are still times that I wish I had a fast aperture, but to be honest, the VC is so good it's not been much of a problem so far, and the focus is very quick and precise, despite the slower aperture. The only mis-focused frames so far have been down to trial and error on my part with the minimum focus distance.
The only thing I would say is that I wouldn't be inclined to use it on a camera with poor high ISO performance, because sometimes you do have to bump it up a bit for indoor work, but on my D300 it's great. I think that with the recent improvements in the high ISO's of entry-level cameras, it's going to be the perfect lens for people who can only afford to buy one.
I'm still keeping my 2.8 lenses, but there's more to that than just the sharpness of the glass. I'll get more in depth with that in time I think. However, I do think that with consideration of the potential problems, the tamron is giving excellent results, and I'll print off some A3's at some point to compare the results with my other lenses.

discreetphoton
discreetphoton Site Moderator 93451 forum postsdiscreetphoton vcard United Kingdom20 Constructive Critique Points
3 Sep 2011 - 3:25 PM

-dsc9354.jpg

http://wp.me/p1MvtV-1h

SlowSong
SlowSong e2 Member 64346 forum postsSlowSong vcard England28 Constructive Critique Points
3 Sep 2011 - 3:43 PM

Now that's just one of the cutest kitty pics I've seen on here. Very interesting read so far. Smile

Have they sorted out the barrel getting slightly sticky around the 70mm area on this model? The older version has a very pronounced sticking point when zooming.

discreetphoton
discreetphoton Site Moderator 93451 forum postsdiscreetphoton vcard United Kingdom20 Constructive Critique Points
3 Sep 2011 - 3:49 PM

Thank you, I'm glad you're enjoying it.

Seems smooth. Slightly stiffer from 35mm-100, but certainly not a distinct stop. Did you get your one like that, or did it develop over time? Build quality is definitely something I'll be reviewing towards the end of the year (not much point doing it this early in the game Wink)

SlowSong
SlowSong e2 Member 64346 forum postsSlowSong vcard England28 Constructive Critique Points
3 Sep 2011 - 3:53 PM

It was like it from new but I did read reviews before I bought it which did mention a stiffness around that area. I thought it would smooth out with use but to be honest I've not used it enough to wear it in. Now you've started me thinking about it again I'll give it a fair go.
Cheers. Smile

discreetphoton
discreetphoton Site Moderator 93451 forum postsdiscreetphoton vcard United Kingdom20 Constructive Critique Points
4 Sep 2011 - 10:05 PM

-dsc9380-slice.jpg

http://wp.me/p1MvtV-1k

discreetphoton
discreetphoton Site Moderator 93451 forum postsdiscreetphoton vcard United Kingdom20 Constructive Critique Points
5 Sep 2011 - 11:24 PM

-dsc9392.jpg

http://wp.me/p1MvtV-1n

discreetphoton
discreetphoton Site Moderator 93451 forum postsdiscreetphoton vcard United Kingdom20 Constructive Critique Points
6 Sep 2011 - 11:56 PM

1--dsc9514.jpg

http://wp.me/p1MvtV-1v

discreetphoton
discreetphoton Site Moderator 93451 forum postsdiscreetphoton vcard United Kingdom20 Constructive Critique Points
7 Sep 2011 - 10:22 PM

1--dsc9545.jpg

http://wp.me/p1MvtV-1V

discreetphoton
discreetphoton Site Moderator 93451 forum postsdiscreetphoton vcard United Kingdom20 Constructive Critique Points
8 Sep 2011 - 4:38 PM

1--dsc9741.jpg

http://wp.me/p1MvtV-21

discreetphoton
discreetphoton Site Moderator 93451 forum postsdiscreetphoton vcard United Kingdom20 Constructive Critique Points
9 Sep 2011 - 2:30 PM

1--dsc9808.jpg

http://wp.me/p1MvtV-2a

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