Re: Query about EF and Plan Leitz objectives


<selwyn.stleger@xxxxxxxxx> wrote in message
news:1177838167.401130.207460@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Please can someone tell me the difference between Leitz EF and Plan
achromatic 160 mm objectives? Also, did they co-exist or did one
preceed the other?


The EF ("Even Field") objectives were make at the same time as the plans.
EF was a way to cover up the fact that these were Achromats with a fancier
name. Now the Plans preceded the EF by quite a period of time but for the
time the EF were produced they were produced along with the Plans. If you
can choose between them I'd jump on the Plans though my faves are the NPL
Flourotars.

Thanks,

Kevin Cunningham
SMS


.

Relevant Pages

  • Re: Query about EF and Plan Leitz objectives
    ... The EF objectives were make at the same time as the plans. ... EF was a way to cover up the fact that these were Achromats with a fancier ... Kevin Cunningham ...
    (sci.techniques.microscopy)
  • Re: Photomicrography ... objective questions (and general advice)
    ... > My main concern is "what objectives to purchase" ... ... > I don't want to spend a lot of money on a microscope only to find, ... But I want photographs with good color/optical quality. ... achromats can produce some nice ...
    (sci.techniques.microscopy)
  • Re: Nikon Stereo Zoom system
    ... Leica website has a complete set of catalogs with all the specs at ... ergonomic features, objectives, eyepieces and photo ports.. ... achromats and outstanding plan apos. ... >Gary Gaugler, Ph.D. ...
    (sci.techniques.microscopy)
Quantcast