Carl Zeiss Jena 80-200 zoom/Helios 28mm - Depth of field


Anonymous

Link Posted 29/11/2003 - 08:31
Can anyone please point me at depth-of-field tables for the following lenses (details from front of lens) -

Carl Zeiss Jena
f=80~200mm
1:4.5~5.6
MC Macro
JENAZOOM

Helios
f=28mm
1:2.8
MC
No 800275-10

Thank you for any info you can give

Denise Kendall

malcolmk

Link Posted 29/11/2003 - 10:31
A Google for 'depth of field table' will provide a handy calculator.

DoF depends on the chosen aperture, focal length, the subject distance and how fussy you wish to be on what constitutes 'acceptably sharp'. The make of lens isn't a factor although some makers may be more 'fussy' than others

MattMatic

Link Posted 29/11/2003 - 17:06
If you happen to have a Psion Revo or Series 5, there's a nice utility called "PhotoPal" that calculates all the depth of field values for you.

If you cannot find what you need, and if you Excel, or a compatible spreadsheet, I could rustle up a sheet to work it out for you.

Matt
http://www.mattmatic.co.uk
(For gallery, tips and links)

Anonymous

Link Posted 11/12/2003 - 11:53
Thank you for those pointers. I had a trawl round Google, and was able to put together some charts for various focal lengths - I keep them in my kit bag for reference.
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