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mpenza said:

(2) is right. I'm not too sure about (1) though. Whatever happens, there will be greater magnification at the same focussing distance (min. focussing distance does not change with teleconverters mounted between lens and body)

junyang said:

Not very sure..

But

I think Magnification dosen't change, working distance becomes longer, more comfortable

But

I think Magnification dosen't change, working distance becomes longer, more comfortable

It has no difference like adding TC between the cam and extension tube, TC will also multiply the strength of the extension tube giving you higher magnification without affecting the minimum focusing distance.

My answer to the question: 1) Not sure, or I sometimes just dont bother much about the focusing distance. 2) True.

Sgt. Pepper said:

Nope. Magnification will be doubled and becomes 2X at the same min focusing distance (but definitely not 10mm in reality).

It has no difference like adding TC between the cam and extension tube, TC will also multiply the strength of the extension tube giving you higher magnification without affecting the minimum focusing distance.

My answer to the question: 1) Not sure, or I sometimes just dont bother much about the focusing distance. 2) True.

It has no difference like adding TC between the cam and extension tube, TC will also multiply the strength of the extension tube giving you higher magnification without affecting the minimum focusing distance.

My answer to the question: 1) Not sure, or I sometimes just dont bother much about the focusing distance. 2) True.

TME said:

Well I suppose for (1), since u find 10cm too close, then it should not matter since adding an extension can only increase the minimum focus distance and not reduce it........

Sgt. Pepper said:

Adding extension/TC will not increase your min focusing distance, it will remain the same. Or, may be you mean increase the focusing distance to attain the same magnification, then it's true.

yeah yeah.. sorry I mean for the same magnification, the focussing distance is now longer mah...... wasn't that his objective in the first place to add the extender cos the minimum distance was too close for comfort?

Although this topic was getting kinda confusing, :dunno: but at least, I managed to get a few points

If I put a 2x extender,

:thumbsup: I will have the same magnification at twice the distance as without the extender.

:thumbsup: I may be able to go as close to the object as without the extender, and my magnification will now be twice.

Hein said:

Although this topic was getting kinda confusing, :dunno: but at least, I managed to get a few points

If I put a 2x extender,

:thumbsup: I will have the same magnification at twice the distance as without the extender.

:thumbsup: I may be able to go as close to the object as without the extender, and my magnification will now be twice.

I think this should be about right...

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