Photometric redshift accuracy depending on the size of the used template set. Each point marks the mean value of the 20 different realisations of a template selection run. Upper panel shows the percentage of objects that fit the J-PAS accuracy criteria while the middle panel shows the achieved median absolute deviation for the normalised distribution (σNMAD). The lower panel shows a merit function for choosing the final number of templates. The two colours are cuts in magnitude where the green points are shifted slightly right for visibility.