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Tea?

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Tea?

Postby boxerboy on Sat Mar 05, 2005 10:35 pm

I wouldn't say this is anything special, other than it is the first shot with my new Sigma 105mm 2.8 macro. Too bloody hot today to venture outside, but will post some (hopefully) better pics during the week.

Image

Cheers
Peter
Last edited by boxerboy on Sat Mar 05, 2005 10:40 pm, edited 1 time in total.
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Postby sirhc55 on Sat Mar 05, 2005 10:39 pm

Peter - nice sharp lens, is it not! The only comment I would make about your pic is that it needs a bit of tender PP’ing :D
Chris
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Postby christiand on Sat Mar 05, 2005 10:43 pm

Hi Peter,

I'm interested in getting that lens for myself.
Could I ask you a few questions such as what is the minimal distance to the object of photography ?
What is the maximum sixe of the object of photography ?
(how close and how big ?)

Cheers
CD
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Postby sirhc55 on Sat Mar 05, 2005 10:48 pm

christiand wrote:Hi Peter,

I'm interested in getting that lens for myself.
Could I ask you a few questions such as what is the minimal distance to the object of photography ?
What is the maximum sixe of the object of photography ?
(how close and how big ?)

Cheers
CD


I’ll leap into this CD - minimum focussing distance is 31.3cm from sensor plane - so considering the lens is 9.75cm in length that will give you a distance of 21.55cm. The maximum size is 1:1 meaning life size.
Chris
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Postby boxerboy on Sat Mar 05, 2005 10:50 pm

sirhc55 wrote:
christiand wrote:Hi Peter,

I'm interested in getting that lens for myself.
Could I ask you a few questions such as what is the minimal distance to the object of photography ?
What is the maximum sixe of the object of photography ?
(how close and how big ?)

Cheers
CD


I’ll leap into this CD - minimum focussing distance is 31.3cm from sensor plane - so considering the lens is 9.75cm in length that will give you a distance of 21.55cm. The maximum size is 1:1 meaning life size.


I was a good 2-2½ metres back from the teapot in this shot.

Chris is well placed to answer your questions, he's had the lens a lot longer than me.

Cheers
Peter
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Postby christiand on Sat Mar 05, 2005 10:55 pm

Thanks for your answers.
You may have seen my photo of the night visitor, aka praying mantis.
Is this lens suited to take a macro of the insects head, full size ?

Cheers
CD
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Postby sirhc55 on Sat Mar 05, 2005 11:02 pm

CD - at 1:1 the sensor sees the image life size, so using the size of the sensor as a guide if the praying mantis has a head 23.7 x 15.6mm then it would fill the pic and be lifesize :wink:
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Postby sirhc55 on Sat Mar 05, 2005 11:05 pm

CD - there are 688 photos at the following site taken with the Sigma 105mm f/2.8 EX DG macro:

http://www.pbase.com/cameras/sigma/105_28_ex_dg_macro
Chris
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Postby christiand on Sat Mar 05, 2005 11:23 pm

Chris,

Thank you, I think I've got enough information to determine if I can make funds available for the lens. ( would like to have one !)

Cheers CD
p.s.:I need a larger backpak for my real estate ...
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