[填空题]
A 200-mm-focal-length :*:2wzhlsjj l lensl ptfq5md)l3r)r -gow55dn1 m can be adjusted so that it is 200.0 mm to 206.0 mm from the film. For what range of object distances can it be adju q 5d5m rpn5g tow)f)m3l-rld1sted? $\mathrm{m}\leq d_{\circ}\leq\infty$
