PFU RBMH 85 mm f/1.8 STM vs Otus ML 85 mm f/1.4
Viltrox
PFU RBMH 85 mm f/1.8 STM
Carl Zeiss
Otus ML 85 mm f/1.4
Here we are comparing the Viltrox PFU RBMH 85 mm f/1.8 STM and the Carl Zeiss Otus ML 85 mm f/1.4. The Viltrox PFU RBMH 85 mm f/1.8 STM is a 85mm telephoto prime lens with a maximum aperture of f/1.8, released in 2018. The Carl Zeiss Otus ML 85 mm f/1.4 is a 85mm telephoto prime lens with a maximum aperture of f/1.4, released in 2025.
There is a 7 years difference between the Viltrox PFU RBMH 85 mm f/1.8 STM and the Carl Zeiss Otus ML 85 mm f/1.4 — the newer design may benefit from more recent optical engineering and coatings.
Below you will find a detailed side-by-side comparison of their specifications, features, and key differences.
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| Compare | Lightest | Fastest Aperture |
|---|---|---|
| Mount | ||
| Sensor Size | Full Frame | Full Frame |
| Best For | Portrait | Portrait |
Price & Availability | ||
| Shop | ||
Optical Specifications | ||
| Focal Length | 85 mm | 85 mm |
| Aperture | f/1.8 | f/1.4 |
| Aperture Blades | 9 | 10 |
Features | ||
| Autofocus | Yes | Yes |
| Image Stabilization | No | No |
| Weather Sealed | No | No |
Close-up Performance | ||
| Min. Focus Distance | 0.8 m | 0.8 m |
| Max. Magnification | - | - |
Physical Specifications | ||
| Weight | 626 g | 1033 g |
| Length | 80 mm | 88 mm |
| Diameter | 92 mm | 113 mm |
| Filter Thread | 72 mm | 77 mm |
Price & Availability | ||
| Release Year | 2018 | 2025 |
| Shop | ||
Shopping links may contain affiliate codes that support this site at no extra cost to you.
Comparing Viltrox PFU RBMH 85 mm f/1.8 STM (85 mm, f/1.8) and Carl Zeiss Otus ML 85 mm f/1.4 (85 mm, f/1.4).
Viltrox PFU RBMH 85 mm f/1.8 STM is the lightest at 626 g, Carl Zeiss Otus ML 85 mm f/1.4 weighs 1033 g.
Carl Zeiss Otus ML 85 mm f/1.4 offers the fastest maximum aperture at f/1.4, allowing for better low-light performance and shallower depth of field.
Viltrox PFU RBMH 85 mm f/1.8 STM can focus closest at 0.8 m minimum focus distance.
Use the detailed comparison table below to see all specifications side-by-side and find the perfect lens for your photography needs.
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