Celtic have signed Slovakia goalkeeper Lubos Kamenar from French side Nantes.
The 25-year-old will provide cover for Fraser Forster and arrives on a one-year loan with the option of a permanent move.
Celtic were the busiest Scottish club on transfer deadline day as they brought in several new players for their UEFA Champions League campaign.
Neil Lennon first swooped for Nigeria defender Efe Ambrose from Israeli side FC Ashdod on a three-year deal.
The Celtic boss then signed Getafe striker Miku on a season-long loan with an option to buy the 27-year-old Venezuela striker.