Thank you for your kind comment. Have to say things took a dive just before Xmas and my mental health went sadly wrong. Now fighting my way back but does seem a long road.
Here is an answer I found in a 2007 forum from Bertram Hönlinger who was a Zeiss rep at the time.
“The speciality of most macro lenses (especially with our Macro-Planar ZF lenses) is their outstanding performance at all distances.
So they can be used for photography on longer distances with excellent results, too.
The difference to "normal" tele lenses is their complex design (more lenses/groups, other glass material), floating elements for best performance on closer distances and the costly lens barrel (very precise and long focus ring).
This makes macro lenses in most cases bigger, heavier and more expensive than normal telephoto lenses, but with a better performance.
The depth of field depends only on the focal length, the f-stop, the distance to the object and the size of the film or sensor. So it does not make any difference in the depth of field if you use a macro lens or a standard telephoto lens”
So – that is that I guess! However, there is a ton more info on focal length … it seems that the basic stuff can get pretty complicated! I think I will do some experimentation when the weather warms up again around here.
January 13th, 2019
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@merrelyn and there's a link between the two I'm sure
@robz thank you
@ludwigsdiana it's a delicate flower
@grammyn how lovely
@wendyfrost thank you v much
@jenp a delicate flower
@Dawn many thanks
@shannejw very kind
@jacqbb it's prolific in gardens, but mine is sparse and neglected
@365anne so it is, you must have inspired me.
“The speciality of most macro lenses (especially with our Macro-Planar ZF lenses) is their outstanding performance at all distances.
So they can be used for photography on longer distances with excellent results, too.
The difference to "normal" tele lenses is their complex design (more lenses/groups, other glass material), floating elements for best performance on closer distances and the costly lens barrel (very precise and long focus ring).
This makes macro lenses in most cases bigger, heavier and more expensive than normal telephoto lenses, but with a better performance.
The depth of field depends only on the focal length, the f-stop, the distance to the object and the size of the film or sensor. So it does not make any difference in the depth of field if you use a macro lens or a standard telephoto lens”
So – that is that I guess! However, there is a ton more info on focal length … it seems that the basic stuff can get pretty complicated! I think I will do some experimentation when the weather warms up again around here.