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www.answers.com/Q/What_is_the_iris_diaphragm_function_on_a_compound_light...

What is the iris diaphragm function on a compound light microscope? the iris diaphragm controls the amount of light that passes through the stage and, consequently, through the specimen.

www.zeiss.com/.../basic-microscopy/field-iris-diaphragm-function.html

Field Iris Diaphragm Function. In the optical microscope, light emitted by the source (such as a tungsten-halogen or arc discharge lamp) is passed through a collector lens system in the lamphouse so that the filament or plasma ball can be focused onto the front focal plane of the condenser. The first image conjugate plane in the optical train ...

quizlet.com/2658750/bio-141-lab-microscope-parts-functions-flash-cards

BIO 141 Lab: Microscope Parts & Functions study guide by swspn includes 12 questions covering vocabulary, terms and more. Quizlet flashcards, activities and games help you improve your grades.

zeiss-campus.magnet.fsu.edu/tutorials/basics/fielddiaphragm/indexflash.html

Field Iris Diaphragm Function In the optical microscope, light emitted by the source (such as a tungsten-halogen or arc discharge lamp) is passed through a collector lens system in the lamphouse so that the filament or plasma ball can be focused onto the front focal plane of the condenser.

www.amscope.com/microscope-parts-and-functions

Inverted Microscope: A microscope designed with the objectives under the stage and the light source above. Used for viewing larger specimens, often in containers. Iris Diaphragm: Found on high power microscopes under the stage, the diaphragm is, typically, a five hole-disc with each hole having a different diameter. It is used to vary the light ...

www.zeiss.com/.../basic-microscopy/condenser-aperture-diaphragm-function.html

Condenser Aperture Diaphragm Function On upright microscopes, the condenser is located beneath the stage and serves to gather wavefronts from the microscope light source and concentrate them into a cone of light that illuminates the specimen with uniform intensity over the entire viewfield.

quizlet.com/25129610/biology-120-lab-microscope-flash-cards

The function of an Iris diaphragm is to regulate light that passes through to An iris diaphragm is used to control the intensity, or brightness, of light which passes through the specimen, thus allowing the operator to adjust the intensity and achieve an optimum viewing contrast.

www.microscope.com/compound-microscope-parts

Compound Microscope Parts; ... Iris Diaphragm controls the amount of light reaching the specimen. It is located above the condenser and below the stage. Most high quality microscopes include an Abbe condenser with an iris diaphragm. Combined, they control both the focus and quantity of light applied to the specimen. ...

www.reference.com/science/diaphragm-microscope-5b8449bd1d0ad451

A diaphragm on a microscope is the piece that enables the user to adjust the amount of light that is focused under the specimen being observed. A diaphragm is typically found on higher-power microscopes versus less expensive or toy models. The diaphragm is located directly under the stage or platform where user places the specimen or slide.

www.microscope.com/education-center/microscopes-101/microscope-terms

A microscope designed with the objectives under the stage and the light source above. Used for viewing larger specimens, often in containers. Iris Diaphragm Found on high power microscopes under the stage, the diaphragm is, typically, a five hole-disc with each hole having a different diameter.