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Tamron 18-270mm 365 road test


discreetphoton 10 3.5k 20 United Kingdom
18 May 2012 10:20AM

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discreetphoton 10 3.5k 20 United Kingdom
18 May 2012 10:28AM
discreetphoton 10 3.5k 20 United Kingdom
18 May 2012 10:37AM
discreetphoton 10 3.5k 20 United Kingdom
18 May 2012 10:39AM
SlowSong Plus
6 5.1k 29 England
18 May 2012 11:37AM
I do like the ripcurl. I'm very impressed that you're still being so inventive after all this time.
Chris
discreetphoton 10 3.5k 20 United Kingdom
21 May 2012 12:12AM
Thanks Chris, I don't mind admitting that it's becoming more of a struggle these days.
discreetphoton 10 3.5k 20 United Kingdom
21 May 2012 12:14AM
discreetphoton 10 3.5k 20 United Kingdom
21 May 2012 12:15AM
discreetphoton 10 3.5k 20 United Kingdom
21 May 2012 12:16AM
discreetphoton 10 3.5k 20 United Kingdom
22 May 2012 8:23AM
discreetphoton 10 3.5k 20 United Kingdom
23 May 2012 12:36PM
SlowSong Plus
6 5.1k 29 England
23 May 2012 12:58PM
What a lovely picture, and I'm very impressed with its hunting ability. Its lunch looks bigger than the damsel itself!

Can you tell me what extension tubes you used, and why you needed them seeing as you used the zoom at 220mm.
Chris
discreetphoton 10 3.5k 20 United Kingdom
23 May 2012 6:44PM
it's the kenro auto extension tubes, and I used a 36mm tube and a 20mm tube in tandem for those shots. There are a few different reasons for this. Firstly, I use flash for most of my macro shots. It's usually not noticed since it's at a really low power, but that is how I get them so crisp. Because of that, I like to work at shutter speeds which are between the native flash sync speed and the focal length of the lens. For this shot then, 1/250s was my only option for reliable flash. The extension tubes brought the ambient light within the right range.
At longer focal lengths, extension tubes act more like teleconverters. The damselfly was about four feet away from me, which would have been quite small in the frame, since the focal length of the lens decreases to about 130mm at that combination of zoom and distance (since the focal length reduces for close focus). Using tubes, I can manually focus to infinity and I know that the focal length is what it claims to be, meaning higher magnification from a greater working distance.
It also meant I could avoid using the very extreme end of the zoom, because as we all know, that's not where a lens performs best.
Tubes also reduce your depth of field, and since this guy was close to the stuff behind him, they reduced the clutter.
SlowSong Plus
6 5.1k 29 England
23 May 2012 8:56PM
Excellent. Thank you. Smile
CORNISHBOY 6 15 United Kingdom
23 May 2012 9:12PM
Good shots the Tamron 18-70 is what I need for my SonyA65,would save a lot of Lens changes out in the field.

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