Assertion: fp shutter | /r/HasProperty | limited
Facets:
value: usually
type: DEGREE
value: to 1/125 s.
type: OTHER
value: to 1/1000 s maximum speed
type: OTHER
value: because of the difficulties
type: CAUSE
Source sentences:
text: Horizontal cloth FP shutters are normally limited to 1/1000 s maximum speed because of the difficulties in precisely timing extremely narrow slits and the unacceptable distortion resulting from a relatively slow wipe speed.
text: As stated earlier, a horizontal FP shutter for 35 mm cameras is fully open and usable only for flash exposure up to 1/60 s, while vertical FP shutters are usually limited to 1/125 s.