
John Risebrow, of Sunningdale, Retford, touched the girl and took indecent photos.
He pleaded guilty at Nottingham Crown Court to three charges of sexual activity with her and four involving the taking, making and possession of indecent photographs.
Judge Michael Stokes QC gave him the six months, of which he will serve up to half before he is released on licence.
He is required to sign the sex offenders' register on his release. Reported by This is 10 hours ago.