SG-Image 25mm F/1.8
Wide-angle prime lens • Digital era
- Announced:
- · February 2024
- Production status:
- ● In production
- Country of design:
- · PRC (People's Republic of China)
- Original name:
- · SG-Image APS-C 25/1.8
- Class:
- · Fast APS-C-format wide-angle prime lens
Specification
| Optical design: | |
| APS-C | |
| 25mm | |
| F/1.8 | |
| 7 elements in 5 groups (Double Gauss derivative) | |
| 3 HRI | |
| Canon EF-M | |
| Canon RF | |
| Fujifilm X | |
| Leica L | |
| Nikon Z | |
| Sony E | |
| 57.1° (Canon EOS M APS-C) | |
| 56.5° (Canon EOS R APS-C) | |
| 59.3° (Fujifilm X APS-C) | |
| 59° (Leica T/TL/CL APS-C) | |
| 59° (Nikon Z APS-C) | |
| 59° (Sony NEX/a/ZV APS-C) | |
| On Canon EOS M APS-C [1.59x] cameras: | |
35mm equivalent focal length: | 39.8mm (in terms of field of view) |
35mm equivalent speed: | F/2.9 (in terms of depth of field) |
| On Canon EOS R APS-C [1.61x] cameras: | |
35mm equivalent focal length: | 40.3mm (in terms of field of view) |
35mm equivalent speed: | F/2.9 (in terms of depth of field) |
| On Fujifilm X APS-C [1.52x] cameras: | |
35mm equivalent focal length: | 38mm (in terms of field of view) |
35mm equivalent speed: | F/2.7 (in terms of depth of field) |
| On Leica T/TL/CL APS-C [1.53x] cameras: | |
35mm equivalent focal length: | 38.3mm (in terms of field of view) |
35mm equivalent speed: | F/2.8 (in terms of depth of field) |
| On Nikon Z APS-C [1.53x] cameras: | |
35mm equivalent focal length: | 38.3mm (in terms of field of view) |
35mm equivalent speed: | F/2.8 (in terms of depth of field) |
| On Sony NEX/a/ZV APS-C [1.53x] cameras: | |
35mm equivalent focal length: | 38.3mm (in terms of field of view) |
35mm equivalent speed: | F/2.8 (in terms of depth of field) |
| Diaphragm mechanism: | |
Diaphragm type: | Manual |
Aperture control: | Aperture ring |
| 7 (seven) | |
| Focusing: | |
| 0.25m | |
| <No data> | |
Focusing modes: | Manual focus only |
Manual focus control: | Focusing ring |
| Physical characteristics: | |
| 186g (mount not specified) | |
| ⌀55×30.5mm (mount not specified) | |
| - | |
| - | |
| Accessories: | |
| Screw-type 43mm | |
| Not available | |
| Not available |
Source of data
- Manufacturer's technical data.
From the editor
Another Chinese variation of the 25/1.8 lens, which is optically most likely identical to models from other Chinese manufacturers and differs only in the design of the lens barrel. Most similar to the Brightin Star 25/1.8.
Lenses with similar focal length
| ■Canon EF-M mount (1) | |||||||||
| Samyang 24mm F/1.4 ED AS UMC MILC akaBower 24mm F/1.4 ED AS UMC MILC akaRokinon 24mm F/1.4 ED AS UMC MILC akaWalimex Pro 24mm F/1.4 ED AS UMC MILC | M | 13 - 12 | 0.25m | ⌀77 | 2011 ● | ||||
| ■Canon EF-M mount (17) · APS-C | |||||||||
| 7Artisans 24mm F/1.4 | M | 7 - 6 | 0.30m | ⌀49 | 2023 ● | ||||
| 7Artisans 25mm F/0.95 | M | 11 - 9 | 0.25m | ⌀52 | 2021 ● | ||||
| 7Artisans 25mm F/1.8 HD MC akaAndoer 25mm F/1.8 HD MC akaMcoplus 25mm F/1.8 MC akaNeewer 25mm F/1.8 | M | 7 - 5 | 0.18m | ⌀46 | 2017 ● | ||||
| Rockstar 27mm F/2.8 II | -- | 6 - 5 | 0.25m | ⌀52 | 2022 ● | ||||
| Rockstar 27mm F/2.8 • Pancake lens | -- | 6 - 5 | 0.25m | ⌀55 | 2022 ● | ||||
| Brightin Star 25mm F/1.8 | M | 7 - 5 | 0.20m | ⌀43 | ● | ||||
| KamLan 28mm F/1.4 | M | 8 - 7 | 0.25m | ⌀52 | 2018 ● | ||||
| Meike 25mm F/0.95 Multi Coated II | M | 11 - 9 | 0.25m | ⌀62 | 2022 ● | ||||
| Meike 25mm F/1.8 Multi Coated | M | 7 - 5 | 0.25m | ⌀49 | 2018 ● | ||||
| Meike 25mm F/2 Multi Coated | M | 10 - 8 | 0.25m | ⌀55 | 2018 ● | ||||
| Meike 25mm F/0.95 Multi Coated akaNeewer 25mm F/0.95 Multi Coated akaVoking 25mm F/0.95 Multi Coated | M | 12 - 10 | 0.17m | ⌀55 | 2016 ● | ||||
| Meike 28mm F/2.8 Multi Coated akaNeewer 28mm F/2.8 Multi Coated akaVoking 28mm F/2.8 Multi Coated | M | 6 - 5 | 0.25m | ⌀49 | 2016 ● | ||||
| Pergear 25mm F/1.8 HD MC akaCheecar 25mm F/1.8 HD MC | M | 5 - 3 | 0.20m | ⌀43 | 2020 ● | ||||
| TTArtisan 25mm F/2 | M | 7 - 5 | 0.25m | ⌀43 | 2022 ● | ||||
| TTArtisan 23mm F/1.4 | M | 8 - 6 | 0.20m | ⌀43 | 2021 ● | ||||
| WSL 25mm F/1.7 HD MC | M | 7 - 5 | 0.20m | ⌀43 | ● | ||||
| Zonlai 22mm F/1.8 | M | 8 - 7 | 0.15m | ⌀46 | 2018 ● | ||||
| ■Canon RF mount (7) | |||||||||
| Brightin Star 23mm F/5.6 ASPH | -- | 5 - 4 | 0.24m | ⌀55 | ● | ||||
| Kipon Elegant 24mm F/2.4 | M | 8 - 7 | 0.25m | ⌀49 | 2018 ● | ||||
| Venus Optics Laowa Argus 28mm F/1.2 FF II | M | 13 - 7 | 0.50m | ⌀62 | 2023 ● | ||||
| Lensbaby Sweet 22mm F/3.5 | -- | 4 - 2 | ⌀46 | 2024 ● | |||||
| SG-Image 24mm F/6.3 • Body cap lens | -- | 6 - 5 | 0.25m | ⌀37 | 2025 ● | ||||
| Thypoch Simera 28mm F/1.4 ASPH. | M | 11 - 7 | 0.40m | ⌀49 | 2024 ● | ||||
| PolarPro Light Leak 28mm F/11 | -- | ? - ? | 1.00m | 2024 ● | |||||
| ■Canon RF mount (7) · APS-C | |||||||||
| 7Artisans 24mm F/1.4 | M | 7 - 6 | 0.30m | ⌀49 | 2023 ● | ||||
| 7Artisans 25mm F/0.95 | M | 11 - 9 | 0.25m | ⌀52 | 2021 ● | ||||
| Venus Optics Laowa Argus 25mm F/0.95 APO CF | M | 14 - 9 | 0.34m | ⌀62 | 2022 ● | ||||
| Meike 25mm F/0.95 Multi Coated II | M | 11 - 9 | 0.25m | ⌀62 | 2022 ● | ||||
| Pergear 25mm F/1.7 HD MC | M | 7 - 5 | 0.20m | ⌀37 | 2024 ● | ||||
| TTArtisan 25mm F/2 | M | 7 - 5 | 0.25m | ⌀43 | 2022 ● | ||||
| TTArtisan 23mm F/1.4 | M | 8 - 6 | 0.20m | ⌀43 | 2021 ● | ||||
| ■Fujifilm X mount (6) | |||||||||
| Kipon Iberit 24mm F/2.4 | M | 8 - 7 | 0.25m | ⌀49 | 2015 ● | ||||
| Lensbaby Sweet 22mm F/3.5 | -- | 4 - 2 | ⌀46 | 2024 ● | |||||
| SG-Image 24mm F/6.3 • Body cap lens | -- | 6 - 5 | 0.25m | ⌀37 | 2025 ● | ||||
| Samyang 24mm F/1.4 ED AS UMC MILC akaBower 24mm F/1.4 ED AS UMC MILC akaRokinon 24mm F/1.4 ED AS UMC MILC akaWalimex Pro 24mm F/1.4 ED AS UMC MILC | M | 13 - 12 | 0.25m | ⌀77 | 2011 ● | ||||
| Thypoch Simera 28mm F/1.4 ASPH. | M | 11 - 7 | 0.40m | ⌀49 | 2024 ● | ||||
| PolarPro Light Leak 28mm F/11 | -- | ? - ? | 1.00m | 2024 ● | |||||
| ■Fujifilm X mount (25) · APS-C | |||||||||
| 7Artisans 24mm F/1.4 | M | 7 - 6 | 0.30m | ⌀49 | 2023 ● | ||||
| 7Artisans 25mm F/0.95 | M | 11 - 9 | 0.25m | ⌀52 | 2021 ● | ||||
| 7Artisans 25mm F/1.8 HD MC akaAndoer 25mm F/1.8 HD MC akaMcoplus 25mm F/1.8 MC akaNeewer 25mm F/1.8 | M | 7 - 5 | 0.18m | ⌀46 | 2017 ● | ||||
| Artra Lab Nonikkor 24mm F/1.7 MC | M | 7 - 5 | 0.23m | ⌀52 | 2023 ● | ||||
| Rockstar 27mm F/2.8 II | -- | 6 - 5 | 0.25m | ⌀52 | 2022 ● | ||||
| Rockstar 27mm F/2.8 • Pancake lens | -- | 6 - 5 | 0.25m | ⌀55 | 2022 ● | ||||
| Brightin Star 25mm F/1.8 | M | 7 - 5 | 0.20m | ⌀43 | ● | ||||
| Cosina Voigtlander Nokton 23mm F/1.2 Aspherical X | M | 10 - 6 | 0.18m | ⌀46 | 2022 ● | ||||
| Cosina Voigtlander Ultron 27mm F/2 X • Pancake lens | M | 6 - 4 | 0.25m | ⌀43 | 2023 ● | ||||
| KamLan 28mm F/1.4 | M | 8 - 7 | 0.25m | ⌀52 | 2018 ● | ||||
| Venus Optics Laowa Argus 25mm F/0.95 APO CF | M | 14 - 9 | 0.34m | ⌀62 | 2022 ● | ||||
| Meike 25mm F/0.95 Multi Coated II | M | 11 - 9 | 0.25m | ⌀62 | 2022 ● | ||||
| Meike 25mm F/1.8 Multi Coated | M | 7 - 5 | 0.25m | ⌀49 | 2018 ● | ||||
| Meike 25mm F/2 Multi Coated | M | 10 - 8 | 0.25m | ⌀55 | 2018 ● | ||||
| Meike 25mm F/0.95 Multi Coated akaNeewer 25mm F/0.95 Multi Coated akaVoking 25mm F/0.95 Multi Coated | M | 12 - 10 | 0.17m | ⌀55 | 2016 ● | ||||
| Meike 28mm F/2.8 Multi Coated akaNeewer 28mm F/2.8 Multi Coated akaVoking 28mm F/2.8 Multi Coated | M | 6 - 5 | 0.25m | ⌀49 | 2016 ● | ||||
| Pergear 25mm F/1.7 HD MC | M | 7 - 5 | 0.20m | ⌀37 | 2024 ● | ||||
| Pergear 25mm F/1.8 HD MC akaCheecar 25mm F/1.8 HD MC | M | 5 - 3 | 0.20m | ⌀43 | 2020 ● | ||||
| TTArtisan 25mm F/2 | M | 7 - 5 | 0.25m | ⌀43 | 2022 ● | ||||
| TTArtisan 23mm F/1.4 | M | 8 - 6 | 0.20m | ⌀43 | 2021 ● | ||||
| Yasuhara MoMo100 28mm F/6.4 Soft Focus | M | 2 - 1 | 0.30m | ⌀37 | 2016 ● | ||||
| WSL 25mm F/1.7 HD MC | M | 7 - 5 | 0.20m | ⌀43 | ● | ||||
| Zhongyi Mitakon Freewalker 24mm F/1.7 | M | 9 - 8 | 0.15m | ⌀49 | 2014 ● | ||||
| Zonlai 22mm F/1.8 | M | 8 - 7 | 0.15m | ⌀46 | 2018 ● | ||||
| Zonlai Discover 25mm F/1.8 | M | 7 - 5 | 0.18m | ⌀46 | 2015 ● | ||||
| ■Nikon Z mount (8) | |||||||||
| Brightin Star 23mm F/5.6 ASPH | -- | 5 - 4 | 0.24m | ⌀55 | ● | ||||
| Cosina Voigtlander Nokton 28mm F/1.5 Aspherical Z | M | 10 - 8 | 0.28m | ⌀52 | 2025 ● | ||||
| Kipon Elegant 24mm F/2.4 | M | 8 - 7 | 0.25m | ⌀49 | 2018 ● | ||||
| Venus Optics Laowa Argus 28mm F/1.2 FF II | M | 13 - 7 | 0.50m | ⌀62 | 2023 ● | ||||
| Lensbaby Sweet 22mm F/3.5 | -- | 4 - 2 | ⌀46 | 2024 ● | |||||
| SG-Image 24mm F/6.3 • Body cap lens | -- | 6 - 5 | 0.25m | ⌀37 | 2025 ● | ||||
| Thypoch Simera 28mm F/1.4 ASPH. | M | 11 - 7 | 0.40m | ⌀49 | 2024 ● | ||||
| PolarPro Light Leak 28mm F/11 | -- | ? - ? | 1.00m | 2024 ● | |||||
| ■Nikon Z mount (14) · APS-C | |||||||||
| 7Artisans 24mm F/1.4 | M | 7 - 6 | 0.30m | ⌀49 | 2023 ● | ||||
| 7Artisans 25mm F/0.95 | M | 11 - 9 | 0.25m | ⌀52 | 2021 ● | ||||
| 7Artisans 25mm F/1.8 HD MC akaAndoer 25mm F/1.8 HD MC akaMcoplus 25mm F/1.8 MC akaNeewer 25mm F/1.8 | M | 7 - 5 | 0.18m | ⌀46 | 2017 ● | ||||
| Artra Lab Nonikkor 24mm F/1.7 MC | M | 7 - 5 | 0.23m | ⌀52 | 2023 ● | ||||
| Rockstar 27mm F/2.8 II | -- | 6 - 5 | 0.25m | ⌀52 | 2022 ● | ||||
| Rockstar 27mm F/2.8 • Pancake lens | -- | 6 - 5 | 0.25m | ⌀55 | 2022 ● | ||||
| Cosina Voigtlander Nokton 23mm F/1.2 Aspherical Z | M | 10 - 6 | 0.18m | ⌀46 | 2022 ● | ||||
| Venus Optics Laowa Argus 25mm F/0.95 APO CF | M | 14 - 9 | 0.34m | ⌀62 | 2022 ● | ||||
| Meike 25mm F/0.95 Multi Coated II | M | 11 - 9 | 0.25m | ⌀62 | 2022 ● | ||||
| Meike 25mm F/1.8 Multi Coated | M | 7 - 5 | 0.25m | ⌀49 | 2018 ● | ||||
| Pergear 25mm F/1.7 HD MC | M | 7 - 5 | 0.20m | ⌀37 | 2024 ● | ||||
| Pergear 25mm F/1.8 HD MC akaCheecar 25mm F/1.8 HD MC | M | 5 - 3 | 0.20m | ⌀43 | 2020 ● | ||||
| TTArtisan 25mm F/2 | M | 7 - 5 | 0.25m | ⌀43 | 2022 ● | ||||
| TTArtisan 23mm F/1.4 | M | 8 - 6 | 0.20m | ⌀43 | 2021 ● | ||||
| ■Sony E mount (10) | |||||||||
| Brightin Star 23mm F/5.6 ASPH | -- | 5 - 4 | 0.24m | ⌀55 | ● | ||||
| Cosina Voigtlander Nokton 28mm F/1.5 Aspherical E | M | 10 - 8 | 0.28m | ⌀49 | 2024 ● | ||||
| Kipon Iberit 24mm F/2.4 | M | 8 - 7 | 0.25m | ⌀49 | 2015 ● | ||||
| Venus Optics Laowa Argus 28mm F/1.2 FF II | M | 13 - 7 | 0.50m | ⌀62 | 2023 ● | ||||
| Lensbaby Sweet 22mm F/3.5 | -- | 4 - 2 | ⌀46 | 2024 ● | |||||
| SG-Image 24mm F/6.3 • Body cap lens | -- | 6 - 5 | 0.25m | ⌀37 | 2025 ● | ||||
| Samyang 24mm F/1.4 ED AS UMC MILC akaBower 24mm F/1.4 ED AS UMC MILC akaRokinon 24mm F/1.4 ED AS UMC MILC akaWalimex Pro 24mm F/1.4 ED AS UMC MILC | M | 13 - 12 | 0.25m | ⌀77 | 2011 ● | ||||
| Thypoch Simera 28mm F/1.4 ASPH. | M | 11 - 7 | 0.40m | ⌀49 | 2024 ● | ||||
| PolarPro Light Leak 28mm F/11 | -- | ? - ? | 1.00m | 2024 ● | |||||
| ZEISS Loxia Distagon T* 25mm F/2.4 | M | 10 - 8 | 0.25m | E52 | 2018 ● | ||||
| ■Sony E mount (22) · APS-C | |||||||||
| 7Artisans 24mm F/1.4 | M | 7 - 6 | 0.30m | ⌀49 | 2023 ● | ||||
| 7Artisans 25mm F/0.95 | M | 11 - 9 | 0.25m | ⌀52 | 2021 ● | ||||
| 7Artisans 25mm F/1.8 HD MC akaAndoer 25mm F/1.8 HD MC akaMcoplus 25mm F/1.8 MC akaNeewer 25mm F/1.8 | M | 7 - 5 | 0.18m | ⌀46 | 2017 ● | ||||
| Artra Lab Nonikkor 24mm F/1.7 MC | M | 7 - 5 | 0.23m | ⌀52 | 2023 ● | ||||
| Rockstar 27mm F/2.8 • Pancake lens | -- | 6 - 5 | 0.25m | ⌀55 | 2022 ● | ||||
| Brightin Star 25mm F/1.8 | M | 7 - 5 | 0.20m | ⌀43 | ● | ||||
| KamLan 28mm F/1.4 | M | 8 - 7 | 0.25m | ⌀52 | 2018 ● | ||||
| Venus Optics Laowa Argus 25mm F/0.95 APO CF | M | 14 - 9 | 0.34m | ⌀62 | 2022 ● | ||||
| Meike 25mm F/0.95 Multi Coated II | M | 11 - 9 | 0.25m | ⌀62 | 2022 ● | ||||
| Meike 25mm F/1.8 Multi Coated | M | 7 - 5 | 0.25m | ⌀49 | 2018 ● | ||||
| Meike 25mm F/2 Multi Coated | M | 10 - 8 | 0.25m | ⌀55 | 2018 ● | ||||
| Meike 25mm F/0.95 Multi Coated akaNeewer 25mm F/0.95 Multi Coated akaVoking 25mm F/0.95 Multi Coated | M | 12 - 10 | 0.17m | ⌀55 | 2016 ● | ||||
| Meike 28mm F/2.8 Multi Coated akaNeewer 28mm F/2.8 Multi Coated akaVoking 28mm F/2.8 Multi Coated | M | 6 - 5 | 0.25m | ⌀49 | 2016 ● | ||||
| Pergear 25mm F/1.7 HD MC | M | 7 - 5 | 0.20m | ⌀37 | 2024 ● | ||||
| Pergear 25mm F/1.8 HD MC akaCheecar 25mm F/1.8 HD MC | M | 5 - 3 | 0.20m | ⌀43 | 2020 ● | ||||
| TTArtisan 25mm F/2 | M | 7 - 5 | 0.25m | ⌀43 | 2022 ● | ||||
| TTArtisan 23mm F/1.4 | M | 8 - 6 | 0.20m | ⌀43 | 2021 ● | ||||
| Yasuhara MoMo100 28mm F/6.4 Soft Focus | M | 2 - 1 | 0.30m | ⌀37 | 2016 ● | ||||
| WSL 25mm F/1.7 HD MC | M | 7 - 5 | 0.20m | ⌀43 | ● | ||||
| Zhongyi Mitakon Freewalker 24mm F/1.7 | M | 9 - 8 | 0.15m | ⌀49 | 2014 ● | ||||
| Zonlai 22mm F/1.8 | M | 8 - 7 | 0.15m | ⌀46 | 2018 ● | ||||
| Zonlai Discover 25mm F/1.8 | M | 7 - 5 | 0.18m | ⌀46 | 2015 ● | ||||
| ■Leica L mount (7) | |||||||||
| Brightin Star 23mm F/5.6 ASPH | -- | 5 - 4 | 0.24m | ⌀55 | ● | ||||
| Kipon Iberit 24mm F/2.4 | M | 8 - 7 | 0.25m | ⌀49 | 2015 ● | ||||
| Venus Optics Laowa Argus 28mm F/1.2 FF II | M | 13 - 7 | 0.50m | ⌀62 | 2023 ● | ||||
| Lensbaby Sweet 22mm F/3.5 | -- | 4 - 2 | ⌀46 | 2024 ● | |||||
| Panasonic Lumix S 26mm F/8 • Body cap lens | -- | 5 - 5 | 0.25m | -- | 2024 ● | ||||
| SG-Image 24mm F/6.3 • Body cap lens | -- | 6 - 5 | 0.25m | ⌀37 | 2025 ● | ||||
| PolarPro Light Leak 28mm F/11 | -- | ? - ? | 1.00m | 2024 ● | |||||
| ■Leica L mount (4) · APS-C | |||||||||
| 7Artisans 25mm F/0.95 | M | 11 - 9 | 0.25m | ⌀52 | 2021 ● | ||||
| Venus Optics Laowa Argus 25mm F/0.95 APO CF | M | 14 - 9 | 0.34m | ⌀62 | 2022 ● | ||||
| TTArtisan 25mm F/2 | M | 7 - 5 | 0.25m | ⌀43 | 2022 ● | ||||
| TTArtisan 23mm F/1.4 | M | 8 - 6 | 0.20m | ⌀43 | 2021 ● | ||||