>> >I vaguely remember seeing something on TV about "deep focus macro"
>>>photography. Does anyone know anything about this ?
>>>
>>>
>>>Wayne Harridge
>>
>>
>>There was a lens design developed by an Australian optical engineer for
>>documentary work that had an unbelievable depth of field. I remember a shot
>>with David Attenborough (who else) and a caterpillar, both in focus and
>>both apparently the same size - the caterpillar within inches of the lens
>>and the attenborough several meters away. I believe said developer rents
>>out the lenses for Discovery Channel type purposes and that they are worth
>>a fortune, each one hand built to purpose.
>>More than this I know not.
>>AndrewF
>>
>
>This has a vaguely familiar ring to it. I remember seeing something
>about a lens attachment years ago where a close up lens was ground
>into part of the front, sort of like a blended lens bifocal. It
>allowed an extreme close up in part of the frame with the background
>at a different focal length. It seemed like a stupid idea and the
>demonstration photo did not raise that low opinion of it.
>--
>Winsor Crosby
Yes - I have one. A cheap 'Focal' filter with a half macro diopter and half
nothing, so you have to be careful to lose the horizon line in the
shrubbery. Cokin also make a similar one and B+W have a couple under the
name Bifo - although theirs is an insert of about a one quarter macro field
in a full filter and is pricey, as you would expect from much higher
quality. Haven't got around to using it yet :-) The movie lens I
mentioned however, is a genuine massive DOF lens at a reasonable aperture.
AndrewF
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