iris
- noun
- /ˈaɪrɪs/
- Specialized
- Some units also provide an iris and filter mount package for control of color temperature.
- camera iris
- open the iris
- close the iris
But Maker's Cabinet has updated their iris and they sent me another one of those too.
- But Maker's Cabinet has updated their iris and they sent me another one of those too.
Examples
-
All iris controls are on the camera.
Blog text (26) -
Abbe condenser with an iris diaphragm and a mechanical stage with a 140 x 135 mm surface area.
Academic text (2002) -
That is fine. You forgot the iris control on the side grip of the handle.
Blog text (26) -
It is a circular center 14-blade iris, which should make for some very interesting and soft effects.
Blog text (13) -
Both the RED Epic and Canon DSLRs change the iris in 1/3 stop increments.
Blog text (26) -
The C300 has a feature called "fine iris" which I played with and was able to get much finer increments than the 1/3 stop (there is also a 1/2 stop one).
Blog text (26) -
Thus, a 50mm lens with an iris diameter of 25mm has an aperture of 50/25 = f2.0.
Blog text (18) -
The photographer adjusted the iris of the camera to let in more light for the shot.
-
In microscopes, the iris helps to control the amount of light that illuminates the specimen.
-
To achieve the best exposure, it is important to set the iris correctly before taking the picture.
Synonyms
A part with thin overlapping plates that controls how much light passes through a lens
A part inside a camera that opens or closes to control the amount of light
An adjustable opening in a camera lens that controls how much light enters
Compounds
- Specialized
A way to check who someone is by looking at the coloured part of their eye
- Specialized
An iris plant with no hairs on the lower drooping parts of the flower
- Specialized
A flowering plant that grows from a bulb and makes bright flowers in spring
A spring flower with blue or purple petals people grow in gardens and use in bouquets
A plant that grows from a bulb with large delicate flowers in many colors except yellow
A plant from southern Europe with large white flowers, lavender tips, and a fragrant underground stem
- Specialized
A group of flowering plants that grow from bulbs or underground stems, like common garden flowers with showy blooms
- Archaic
A plant with purple flowers and smelly leaves that grows by the Mediterranean
- Specialized
A large white garden flower with a sweet-smelling underground root used in perfume
- Specialized
A plant with purple flowers and leaves that smell bad when crushed
- Specialized
A garden iris with large white flowers slightly purple at the edges and a sweet-smelling root used for perfume
- Specialized
A part with thin overlapping plates that controls how much light passes through a lens
- Specialized
A group of flowering plants like irises and crocuses that grow from bulbs or underground stems
- Specialized
A flowering plant that grows from a bulb with pale lilac flowers often grown in gardens
- Specialized
A bulb plant from North Africa with bright blue flowers grown in gardens
- Specialized
A low-growing iris with bright blue to lilac flowers that blooms in spring
- Specialized
A common iris with blue-violet flowers that grows in eastern North America
- Specialized
A plant with blue or violet flowers that grows in wet places in the eastern United States
- Specialized
A garden flower that grows from a bulb with large delicate flowers usually blue or violet
- Specialized
A plant that grows from a bulb with purple flowers native to the western Mediterranean
A tall plant with large colorful flowers, usually purple or white, that grows near water
- UK
A plant from the western Mediterranean with purple flowers that grows from a bulb
How Open
Surface Forms
Etymology
Iris for the camera or microscope part is named after the eye's iris because both are round and change size to control 'light'. So the mechanical iris opens and closes like an eye to let in more or less light.