A bit 'crabby'........

Hi all. I'm new to the forum, only second post and first with images. I was out in the Marlborough Sounds (New Zealand) snapper fishing this afternoon and as the fishing was pretty quiet I turned to the 450D for some entertainment. These two pics were taken with my 17-85 IS USM with 'manual' extension tubes. First real attempts at using the tubes (bought because I can't yet afford a good dedicated macro) so would be absolutely grand if you guys could 'tear the photos to pieces' so to speak.

I find it frustrating that because these tubes have no electronic coupling there is no aperture control (it just reads 'f00' on the monitor and I'm not even sure what that means....is it wide open or shut ??)which means you're stuck with a fixed depth of focus. With all three tubes installed the DOF is tiny and limiting as a consequence. Probably the price you pay for using these types is it ??

Anyway, please critique away.......thanks very much....Matt.

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It does suffer from shallow depth of field.

Go on ebay and find you a good old fashion manual lens and an adapter to fit your camera. You should be able to find a manual lens very low priced. Hang that on the end o f the extention tubes and you will be able to control the dof.

Then if you like macro photography then save up a buy a macro lens with electronic control to fit your camera.