400/500mm - 17.5" (4/18/98): faint, fairly small, elongated 3:2 ~NNW-SSE, 1.0'x0.7'. Weak even concentration to a slightly brighter core and occasional stellar nucleus with direct vision at 280x. A mag 14 star lies 1.7' SE. In a trio with NGC 3694 11' SSW and NGC 3700 5.7' SE.