Those who considered it recommended to enter ihram after the prayer

It is narrated from Sayyiduna Ibn Abbas (may Allah be pleased with them both) that the Prophet (peace and blessings be upon him) entered ihram (immediately) after the prayer.

It is narrated from al-Hasan (al-Basri) that the Prophet (peace and blessings be upon him) entered ihram after the Zuhr prayer.

And al-Hasan used to consider it recommended to enter ihram after the Zuhr prayer; and if one did not do so, then after the Asr prayer.

Ibn Sabit said: Your righteous predecessors used to like reciting the talbiyah in four places: after the prayer, when they descended into a valley or climbed up out of it, and when they joined a group of companions.

Ibrahim said: It is recommended to recite the talbiyah at certain places and times: after the obligatory prayer, when you climb a height, when you descend into a valley, whenever your camel stands up straight with you and you are about to mount it, and whenever you meet a group.

Al-Aswad used to enter ihram after the obligatory prayer.

Khaythamah said: The Companions used to consider it recommended to recite the talbiyah on six occasions: after the prayer, when you are about to mount your riding animal, when you climb a high place, when you descend into a valley, and when some of them met others.

Abd al-Malik said: I asked Ata, when a man intends to enter ihram, when should he recite the talbiyah? He said: If he wishes, after the prayer; and if he wishes, when his she-camel rises up with him; begin when you mount, and say: "Glory be to Him who has subjected this to us, and we could not have done it ourselves." [Al-Zukhruf: 13]

Abu al-Sha'tha' Jabir bin Zayd said: Some of them would enter ihram while riding, and some of them would enter ihram while eating.

Al-Qasim used to recite the talbiyah after every prayer, whether obligatory or voluntary.