| Echo: |
Stands for the letter E in the phonetic alphabet. |
| Edge numbers: |
Reference numbers printed by light at regular intervals along the edge of 35mm and roll films during manufacture. |
| EIS: |
Electronic Image Stabilizer. A feature that minimizes effect of camera shake. |
| Element: |
Single lens shaped piece of glass or plastic that forms part of a compound lens system. |
| Elevator: |
The elevator is used on an aeroplane to control the pitch. Applying up-elevator will generate lift on the underside of the tailplane surface causing the tailplane to move downwards. The effect will be for the angle of attack of the will to be increased an |
| Empennage: |
The parts of the airplane located at the tail end. This includes the horizontal stabilizer, the vertical stabilizer, and elevators. |
| Enlargement: |
An image that is printed or produced larger than the negative, slide or digital image.
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| Enlarger: |
Apparatus for producing prints by projecting a negative or transparency on sensitive paper. |
| ETA: |
Estimated Time of Arrival. The time the flight is estimated to arrive at the terminal or its actual touchdown time. |
| Exposure: |
The amount of light allowed to act upon a film and or digital light sensor to produce an image or photograph
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