Απο το http://www.backyard-astro.com/equipment/introequipment.html Long time exposures possible The camera also has a bulb setting allowing long time exposures up to 5 minutes, so you can use the camera not only for shooting images of the moon and planets, but also for deepsky photography. Ολες αυτες οι μηχανες δεν ειναι μονο για Ηλιακο συστημα αφου κανουν afocal ?