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Bright field iris shifter

French translation: Diaphragme à iris de champ lumineux

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:Bright field iris shifter
French translation:Diaphragme à iris de champ lumineux
Entered by: Emmanuel Sanjuan

11:14 Sep 26, 2013
English to French translations [PRO]
Science - Other / Microscopes
English term or phrase: Bright field iris shifter
DOUTE : Diaphragme à iris pour éclairage à fond clair?

(in Phase Contrast Kit )

context :
INTRODUCTION

Phase contrast is the method used in light microscopy ((microscopie optique and was developed on the principle that if you speed up a direct light path, you can cause destructive interferences patterns in a viewed image. These patterns make details in the image appear darker against a light background. To cause these interference patterns, a system of rings located both in the objective lens and in the condenser system must overlap. When aligned correctly, light waves emitted from a light source reach your cornea one- half of the wavelength out of phase, resulting in a specimen with details that are greatly enhanced. Phase contrasting is only useful on the specimen that is colorless as well as transparent in nature and usually difficult to distinguish from its surroundings. Such specimens are referred to as “Phase objects”. Examples of phase objects include cell parts in protozoans, bacteria sperm tails and other types of unstained cells.

Phase Dial //Graduation de Phase
Condenser Ball
+++++ Bright field iris shifter //Diaphragme à iris pour éclairage à fond clair ++++++
Showing Position of Phase Annulus in the light path

Phase Annulus //Anneau de Phase
Phase Telescope //Télescope de Phase
Locking screw //Vis de Blocage
Telescope Tube //Tube Télescopique ((Tube du Téléscope

merci ;-)
Emmanuel Sanjuan
Local time: 09:39
Diaphragme à iris de champ lumineux
Explanation:
http://axoptic.fr/motic-ba310.html

lumineux plutot que clair
Selected response from:

GILLES MEUNIER
France
Local time: 09:39
Grading comment
4 KudoZ points were awarded for this answer



Summary of answers provided
4 +1Diaphragme à iris de champ lumineux
GILLES MEUNIER


  

Answers


5 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
bright field iris shifter
Diaphragme à iris de champ lumineux


Explanation:
http://axoptic.fr/motic-ba310.html

lumineux plutot que clair

GILLES MEUNIER
France
Local time: 09:39
Native speaker of: French
PRO pts in category: 1021
Notes to answerer
Asker: merci encore une fois Mr Gilou


Peer comments on this answer (and responses from the answerer)
agree  Bertrand Leduc
4 hrs
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