Remarks: Black and white, panchromatic, wide exposure latitude, overexposed (by 1 EV (Exposure Value), ISO 200/240) or underexposed (by 2 EV (ISO 1600/330), no lengthened development time, no developer temperature increase, low granularity demands, high-resolving power, contour sharpness, unfavorable lighting conditions, short exposure times.
Are you willing to take trades? I saw in another post you are looking for working slrs for your students and I have a working Ricoh XR10 I am not using with a 50mm lens and Pentax 28mm lens if you're interested.