Equipment used:
2010: Sony Alpha 100 + Sigma 10 mm EX DC on a Panosaurus rotator plus own made jig on Vanguard tripod, 6 to 8 photo's per spherical.
2011-2019: Sony Alpha 850 + shaved Sigma 10 mm EX DC on a Opticam First tripod with an own made hardwood jig, 3 +10 deg. tilt photo's and 1 nadir photo per spherical.
Equirectangular resolution: 10000x5000 pixels
See also my website:
http://home.kpn.nl/muld0277/