Speedmaster 85 mm f/1.2 vs PFU RBMH 85 mm f/1.8 STM
Mitakon
Speedmaster 85 mm f/1.2
Viltrox
PFU RBMH 85 mm f/1.8 STM
Here we are comparing the Mitakon Speedmaster 85 mm f/1.2 and the Viltrox PFU RBMH 85 mm f/1.8 STM. The Mitakon Speedmaster 85 mm f/1.2 is a 85mm telephoto prime lens with a maximum aperture of f/1.2, released in 2015. 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.
There is a 3 years difference between the Mitakon Speedmaster 85 mm f/1.2 and the Viltrox PFU RBMH 85 mm f/1.8 STM — 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 | Fastest Aperture | Lightest |
|---|---|---|
| Mount | ||
| Sensor Size | Full Frame | Full Frame |
| Best For | Portrait | Portrait |
Price & Availability | ||
| Shop | ||
Optical Specifications | ||
| Focal Length | 85 mm | 85 mm |
| Aperture | f/1.2 | f/1.8 |
| Aperture Blades | 11 | 9 |
Features | ||
| Autofocus | No | Yes |
| Image Stabilization | No | No |
| Weather Sealed | No | No |
Close-up Performance | ||
| Min. Focus Distance | 1 m | 0.8 m |
| Max. Magnification | - | - |
Physical Specifications | ||
| Weight | 921 g | 626 g |
| Length | 83 mm | 80 mm |
| Diameter | 96 mm | 92 mm |
| Filter Thread | 77 mm | 72 mm |
Price & Availability | ||
| Release Year | 2015 | 2018 |
| Shop | ||
Shopping links may contain affiliate codes that support this site at no extra cost to you.
Comparing Mitakon Speedmaster 85 mm f/1.2 (85 mm, f/1.2) and Viltrox PFU RBMH 85 mm f/1.8 STM (85 mm, f/1.8).
Viltrox PFU RBMH 85 mm f/1.8 STM is the lightest at 626 g, Mitakon Speedmaster 85 mm f/1.2 weighs 921 g.
Mitakon Speedmaster 85 mm f/1.2 offers the fastest maximum aperture at f/1.2, 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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