I always like your sets Smeggy - always so much to see; numbers 16 and 17 stand out for me as a couple of slices of life - and 22

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More beautiful shots of beautiful birds - nicely done indeed. Fatty bum bum for me too, although I do like and baby makes three as well very much.

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He's a handsome chap though! I rather like crows, and this is a very nice shot.

Gosh what wonderful looking birds - and well captured as well. Nice set. Thanks for the info too

Dave, I think you are more or less right. As far as I know (and I could well be wrong), I think the logic is: The focal length of the lens is not related to the size of the sensor. However, 35mm format is generally used as the baseline against which everything else is measured hence things tend to be referred back to that format although I don't know if it is all that helpful.

If you imagine the 300mm lens mounted on the full frame camera, it will produce a particular image, when that same lens is mounted on a crop-sensor DSLR, the image is a cropped version of the same image - i.e. the edges will have been cropped off relative to the full frame image - but everything else will be the same; the image of the central subject of the image on the crop sensor will be the same actual size as on the full frame sensor - but the full frame sensor will have more background around it . (i.e. the issue is image crop rather than magnification).

Therefore the full frame shooter can produce an identical image, at the same size, to the cropped sensor user by cropping the image in post-processing. If he wanted the same picture in the sense that the central subject took up the same proportion of the overall frame (bearing in mind that the full frame is bigger), then he would need the extra magnification of a longer lens, and given the crop ratio of 1.5 then 450mm would be needed.

I think that's how it works anyway - someone will correct me if I'm wrong

Cheers

I have looked for something similar before, but the devices (such as this: link) always seem to be very expensive, as you seem to have found already. Probably a more cost effective bet would be to drag my laptop around with me, although its not so compact...

I have one and find it very useful when I need something steady but don't want to lug around a full size tripod. It is quite low so unless there are bits of infrastructure to put it on, or hang it from, then the viewpoint tends to be low (this is not necessarily a bad thing). Normally I use it with prime lenses; my 'standard' lens is a DA* 16-50, which is quite heavy and the gorillapod can tend to sag a bit with it (although my Gpod is quite old) - it is fine with lighter lenses. I also tend to fire the camera remotely when using it as I fear that the combo is not as stable as a regular tripod and so this helps avoid camera shake. As a travel accessory I would say it is great.

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Stunning views as ever - I especially like the first three.

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SRS Microsystems is the best I think. Although if you are in central London, then check out Microglobe in Bury Place just near the British Museum. They have a decent selection of Pentax fit lenses and I have never had a problem in there.

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Thanks for a very interesting link... and your linked photo is phemomenal - really top notch

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