Amazon has the Nikon AF-P DX NIKKOR 10-20mm f/4.5-5.6G VR Lens (Lens Only) for $218 with free shipping. Has excellent Amazon Reviews.
Amazon has the Ring Always Home Cam for $250 with free shipping. Features 1440x1440 video, automatically flies to triggered contact or motion sensors, in-flight live view. Available exclusively by invitation.
Amazon has the TP-Link Kasa Smart Indoor 1080p Pan/Tilt Security Camera (EC70) for $24 with free shipping on $35+ or with Prime. List price: $30. Features 1080p video resolution, night vision to 30 feet, 113° tilting, works w/ Alexa & Google Assistant. #1 Best Seller in Dome Surveillance Cameras.
Has good Amazon Reviews.