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Add 5-15 drops to your diffuser when you need some fresh air. Use our Scent Pebble to gently scent your personal space with this blend.

Bergamot’s citrus is grounded by spicy black pepper, and rosemary adds a cool freshness. Clary sage stimulates with herbal sweetness, while vetiver gives earthy strength.

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Microscope Anatomy & Function Condenser Page 4 of 4 The condenser has an iris diaphragm that controls the angle of the beam of light focused onto the specimen.  The iris diaphram is an adjustable shutter which allows you to adjust the amount of light passing through the condenser.  The angle determines the Numerical Aperture (NA) of the condenser. This diaphragm, generally called the aperture diaphragm, is one of the most important controls on the microscope. Back to Microscope  Previous Page

This diaphragm, generally called the aperture diaphragm, is one of the most important controls on the microscope.