Here're MY FAVORITES (for various reasons):
Canon TS-E 17mm f/4 L
Canon EF 85mm f/1.2 USM L II
Canon EF 70-200mm f/2.8 USM L IS II
Canon EF 70-300mm f/4.5-5.6 USM L IS
Panasonic 7-14mm f/4
Panasonic PZ 14-42mm f/3.5-5.6 OIS
Zeiss ZE 21mm f/2.8
Olympus 12-60mm f/2.8-4 SWD
Olympus 50-200mm f/2.8-3.5 SWD
Leica 14-150mm f/3.5-5.6 OIS
[size="2"]Voigtlander SL 125mm f/2.5 APO macro[/size]
[size="2"]Zeiss ZA 24mm f/2[/size]
Zeiss ZA 85mm f/1.4
Zeiss ZA 135mm f/1.8
Sony 135mm f/2.8 STF
Sony 70-300mm f/4.5-5.6 SSM G
Pentax DA 70mm f/2.4 Limited
Fujifilm 60mm f/2.4 macro
Samyang 8mm f/2.8 Fisheye
Even so, I wouldn't buy most of them for myself due to my own real life preferences (=thus a combination of low size/weight and performance).
Canon TS-E 17mm f/4 L
Canon EF 85mm f/1.2 USM L II
Canon EF 70-200mm f/2.8 USM L IS II
Canon EF 70-300mm f/4.5-5.6 USM L IS
Panasonic 7-14mm f/4
Panasonic PZ 14-42mm f/3.5-5.6 OIS
Zeiss ZE 21mm f/2.8
Olympus 12-60mm f/2.8-4 SWD
Olympus 50-200mm f/2.8-3.5 SWD
Leica 14-150mm f/3.5-5.6 OIS
[size="2"]Voigtlander SL 125mm f/2.5 APO macro[/size]
[size="2"]Zeiss ZA 24mm f/2[/size]
Zeiss ZA 85mm f/1.4
Zeiss ZA 135mm f/1.8
Sony 135mm f/2.8 STF
Sony 70-300mm f/4.5-5.6 SSM G
Pentax DA 70mm f/2.4 Limited
Fujifilm 60mm f/2.4 macro
Samyang 8mm f/2.8 Fisheye
Even so, I wouldn't buy most of them for myself due to my own real life preferences (=thus a combination of low size/weight and performance).