Camera structure name typing — Basic 12

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Basic 12 name list

1. Lens group
2. Diaphragm
3. Focal-plane shutter
4. Image sensor
5. Reflex mirror
6. Focusing screen
7. Pentaprism
8. Viewfinder eyepiece
9. Lens mount
10. Hot shoe
11. Focus ring
12. Zoom ring

Copy 12 representative names in order from Lens group to Zoom ring, comparing the spelling and selected range of terms such as Diaphragm. Ring positions vary between products. The reflex mirror and pentaprism arrangement does not describe every mirrorless camera, and these cutouts are not dimensioned assembly plans. Coating colors and mount shapes do not establish compatibility. Use the images to connect a name with a representative form; the activity provides no procedure for removing, servicing or installing camera parts. The first nonempty input for Lens group starts the timer. When Diaphragm or another new label appears, read its picture and complete name before continuing. A matching answer advances without Enter, and unfinished text can be edited in place. Enter on an incorrect nonempty answer adds one error and clears that attempt. After Zoom ring, review time, keystrokes per minute and errors; the best time stays in this browser by topic, set and language.