All category winning and highly commended images of this years' award are available here: https://www.nhm.ac.uk/wpy/gallery
Many nice images IMO. Most of them taken at quite small apertures and some of them with somewhat dated gear. I've listed gear and settings below of adult category winners (excludes highly commended images and young category winners).
Amit Eshel
Canon EOS R5
24–70mm f2.8 lens at 45mm
1/800 at f8 • ISO 500
Vishnu Gopal
Nikon D850
14–24mm f2.8 lens at 14mm
1/30 at f6.3 • ISO 1600 • torch
Juan Jesús Gonzalez Ahumada
Canon EOS R6
100mm f2.8 lens
1/80 at f5.6 • ISO 320 • ring flash
Hadrien Lalagüe
Canon EOS 100D
10–20mm f4.5–5.6 lens at 11mm
1/60 at f10 • ISO 1600 • 2x Nikon flashes • Panasonic PIR motion sensor • custom housing
Sriram Murali
Canon 6D
24mm f1.4 lens
19 sec at f2 • multiple exposures • ISO 6400 • cable release • Manfrotto tripod
Bertie Gregory
DJI Mavic 2 Pro
Hasselblad L1D-20c
1/120 at f4 • ISO 100
Lennart Verheuvel
Canon EOS R5
100–500mm f4.5–7.1 lens at 100mm
1/80 at f7.1 • ISO 1250
Agorastos Papatsanis
Nikon D810
105mm f2.8 lens
1/40 at f36 • ISO 500 • Godox flash + trigger • Leofoto mini tripod
Rachel Bigsby
Nikon D850
Sigma 60–600mm f4.5–6.3 lens
1/1600 at f11 • ISO 5000
Mike Korostelev
Canon EOS 5D Mark III
17–40mm f4 lens
1/320 at f7.1 • ISO 640 • Seacam housing
Knut-Sverre Horn
Canon EOS R5
24–70mm lens at 42mm
1/5000 at f8 • ISO 100
Joan de la Malla
DJI Mavic 2 Pro
Hasselblad L1D-20c
1/25 at f6.3 • ISO 100
Fernando Constantino Martínez Belmar
DJI Mavic Mini 2
24mm f2.8 lens
1/320 at f2.8 • ISO 100
Karine Aigner (Photojournalist Story Award)
Sony α1
24–105mm lens
1/320 at f8 • ISO 640
Karine Aigner (Photojournalist Story Award)
DJI Mavic Mini 2
24mm f2.8 lens
1/320 at f2.8 • ISO 100
Karine Aigner (Photojournalist Story Award)
Sony α7R III
35mm f2.8 lens
1/1000 at f8 • ISO 1250
Karine Aigner (Photojournalist Story Award)
Sony RX1R II
35mm f2 lens
1/40 at f8 • ISO 1600
Karine Aigner (Photojournalist Story Award)
Sony α7R III
35mm f2.8 lens
1/160 at f4.5 • ISO 4000
Karine Aigner (Photojournalist Story Award)
Sony α7R III
24–105mm f4 lens
1/125 at f7.1 • ISO 5000
Karine Aigner (Photojournalist Story Award)
Sony α7R III
35mm f2.8 lens
1/6400 at f2.8 • ISO 1600
Luca Melcarne (Rising Star Portfolio Award)
Nikon D850
600mm f4 lens
1/5000 at f4.5 (+1 e/v) • ISO 640
Luca Melcarne (Rising Star Portfolio Award)
Nikon D850
400mm f2.8 lens
1/8000 at f2.8 (-1.6 e/v) • ISO 50
Luca Melcarne (Rising Star Portfolio Award)
Nikon D850
400mm f2.8 lens
1/4000 at f2.8 (+1 e/v) • ISO 320
Luca Melcarne (Rising Star Portfolio Award)
Nikon D850
400mm f2.8 lens
1/125 at f2.8 (-1 e/v) • ISO 10000
Luca Melcarne (Rising Star Portfolio Award)
Nikon D850
400mm f2.8 lens
Luca Melcarne (Rising Star Portfolio Award)
Nikon D850
400mm f2.8 lens
1/320 at f5.6 (-1.6 e/v) • ISO 3200
Laurent Ballesta (Portfolio Award)
Nikon D5
13mm f2.8 lens
1/25 at f22 • ISO 800 • Seacam housing • 2x Seacam strobes
Laurent Ballesta (Portfolio Award)
Nikon D5
105mm f2.8 lens
1/80 at f36 • ISO 800 • Seacam housing • 2x Seacam strobes
Laurent Ballesta (Portfolio Award)
Nikon D5
13mm f2.8 lens
1/20 at f20 • ISO 200 • Seacam housing
Laurent Ballesta (Portfolio Award)
Nikon D5
105mm f2.8 lens
1/80 at f36 • ISO 800 • Seacam housing • 2x Seacam strobes
Laurent Ballesta (Portfolio Award)
Nikon D5
105mm f2.8 lens
1/100 at f8 • ISO 50 • Seacam housing • 2x Seacam strobes
Laurent Ballesta (Portfolio Award)
Nikon D5
13mm f2.8 lens
1/50 at f18 • ISO 800 • Seacam housing • 2x Seacam strobes
Many nice images IMO. Most of them taken at quite small apertures and some of them with somewhat dated gear. I've listed gear and settings below of adult category winners (excludes highly commended images and young category winners).
Amit Eshel
Canon EOS R5
24–70mm f2.8 lens at 45mm
1/800 at f8 • ISO 500
Vishnu Gopal
Nikon D850
14–24mm f2.8 lens at 14mm
1/30 at f6.3 • ISO 1600 • torch
Juan Jesús Gonzalez Ahumada
Canon EOS R6
100mm f2.8 lens
1/80 at f5.6 • ISO 320 • ring flash
Hadrien Lalagüe
Canon EOS 100D
10–20mm f4.5–5.6 lens at 11mm
1/60 at f10 • ISO 1600 • 2x Nikon flashes • Panasonic PIR motion sensor • custom housing
Sriram Murali
Canon 6D
24mm f1.4 lens
19 sec at f2 • multiple exposures • ISO 6400 • cable release • Manfrotto tripod
Bertie Gregory
DJI Mavic 2 Pro
Hasselblad L1D-20c
1/120 at f4 • ISO 100
Lennart Verheuvel
Canon EOS R5
100–500mm f4.5–7.1 lens at 100mm
1/80 at f7.1 • ISO 1250
Agorastos Papatsanis
Nikon D810
105mm f2.8 lens
1/40 at f36 • ISO 500 • Godox flash + trigger • Leofoto mini tripod
Rachel Bigsby
Nikon D850
Sigma 60–600mm f4.5–6.3 lens
1/1600 at f11 • ISO 5000
Mike Korostelev
Canon EOS 5D Mark III
17–40mm f4 lens
1/320 at f7.1 • ISO 640 • Seacam housing
Knut-Sverre Horn
Canon EOS R5
24–70mm lens at 42mm
1/5000 at f8 • ISO 100
Joan de la Malla
DJI Mavic 2 Pro
Hasselblad L1D-20c
1/25 at f6.3 • ISO 100
Fernando Constantino Martínez Belmar
DJI Mavic Mini 2
24mm f2.8 lens
1/320 at f2.8 • ISO 100
Karine Aigner (Photojournalist Story Award)
Sony α1
24–105mm lens
1/320 at f8 • ISO 640
Karine Aigner (Photojournalist Story Award)
DJI Mavic Mini 2
24mm f2.8 lens
1/320 at f2.8 • ISO 100
Karine Aigner (Photojournalist Story Award)
Sony α7R III
35mm f2.8 lens
1/1000 at f8 • ISO 1250
Karine Aigner (Photojournalist Story Award)
Sony RX1R II
35mm f2 lens
1/40 at f8 • ISO 1600
Karine Aigner (Photojournalist Story Award)
Sony α7R III
35mm f2.8 lens
1/160 at f4.5 • ISO 4000
Karine Aigner (Photojournalist Story Award)
Sony α7R III
24–105mm f4 lens
1/125 at f7.1 • ISO 5000
Karine Aigner (Photojournalist Story Award)
Sony α7R III
35mm f2.8 lens
1/6400 at f2.8 • ISO 1600
Luca Melcarne (Rising Star Portfolio Award)
Nikon D850
600mm f4 lens
1/5000 at f4.5 (+1 e/v) • ISO 640
Luca Melcarne (Rising Star Portfolio Award)
Nikon D850
400mm f2.8 lens
1/8000 at f2.8 (-1.6 e/v) • ISO 50
Luca Melcarne (Rising Star Portfolio Award)
Nikon D850
400mm f2.8 lens
1/4000 at f2.8 (+1 e/v) • ISO 320
Luca Melcarne (Rising Star Portfolio Award)
Nikon D850
400mm f2.8 lens
1/125 at f2.8 (-1 e/v) • ISO 10000
Luca Melcarne (Rising Star Portfolio Award)
Nikon D850
400mm f2.8 lens
Luca Melcarne (Rising Star Portfolio Award)
Nikon D850
400mm f2.8 lens
1/320 at f5.6 (-1.6 e/v) • ISO 3200
Laurent Ballesta (Portfolio Award)
Nikon D5
13mm f2.8 lens
1/25 at f22 • ISO 800 • Seacam housing • 2x Seacam strobes
Laurent Ballesta (Portfolio Award)
Nikon D5
105mm f2.8 lens
1/80 at f36 • ISO 800 • Seacam housing • 2x Seacam strobes
Laurent Ballesta (Portfolio Award)
Nikon D5
13mm f2.8 lens
1/20 at f20 • ISO 200 • Seacam housing
Laurent Ballesta (Portfolio Award)
Nikon D5
105mm f2.8 lens
1/80 at f36 • ISO 800 • Seacam housing • 2x Seacam strobes
Laurent Ballesta (Portfolio Award)
Nikon D5
105mm f2.8 lens
1/100 at f8 • ISO 50 • Seacam housing • 2x Seacam strobes
Laurent Ballesta (Portfolio Award)
Nikon D5
13mm f2.8 lens
1/50 at f18 • ISO 800 • Seacam housing • 2x Seacam strobes