Mitakon Zhongyi Speedmaster 85mm f/1.2 85mm
Focal length 85mm
Aperture f/16
Mount Pentax K
Weight 921 g
af type manual focus only
lens type prime
31 Overall Score
Price CA$686
Snapshot
Pros & Cons
Pros
Cons
- Below average af (15th percentile)
- Below average build (17th percentile)
- Below average social proof (25th percentile)
- Below average versatility (34th percentile)
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Owner sentiment has cooled since launch
Based on 17 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Optics
| Type | Prime |
| Focal Length Min | 85 |
| Focal Length Max | 85 |
| Elements | 9 |
| Groups | 6 |
| Aspherical Elements | 0 |
| ED Elements | 2 |
Aperture
| Max Aperture | f/16 |
| Min Aperture | f/1.2 |
| Constant | Yes |
| Diaphragm Blades | 11 |
Build
| Mount | Pentax K |
| Format | full-frame |
| Weather Sealed | No |
| Weight | 0.9 kg / 2.0 lbs |
| Filter Thread | 77 |
AF & Stabilization
| AF Type | manual focus only |
| Stabilization | No |
Focus
| Min Focus Distance | 1000 |
vs Competition
| Spec | Mitakon Zhongyi Speedmaster 85mm f/1.2 85mm | Sigma Contemporary 16-300mm f/3.5-6.7 DC OS | Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD | Canon RF 28-70mm f/2.8 IS STM | Panasonic LUMIX S S-R28200 | Nikon NIKKOR AF-S DX NIKKOR 16-85mm f/3.5-5.6G ED VR |
|---|---|---|---|---|---|---|
| Focal Length | 85mm | 16-300mm | 18-300mm | 28-70mm | 28-200mm | 16-85mm |
| Max Aperture | f/16 | f/3.5 | f/3.5 | f/2.8 | f/4 | f/3.5 |
| Mount | Pentax K | Sony E | Fujifilm X | Canon RF | L-Mount | Nikon F |
| Stabilization | false | true | true | true | true | true |
| Weather Sealed | false | true | false | true | true | false |
| Weight (g) | 921 | 615 | 92 | 495 | 413 | 59 |
| AF Type | manual focus only | HLA | VXD linear motor | STM | Autofocus | AF-S |
| Lens Type | prime | zoom | zoom | zoom | macro | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Mitakon Zhongyi Speedmaster 85mm f/1.2 85mm | 15.3 | 52.9 | 17 | 36.3 | 38.7 | 49.6 | 34 | 25.3 | 35.6 |
| Sigma Contemporary 16-300mm f/3.5-6.7 DC OS Compare | 54.8 | 84.3 | 57.8 | 86.6 | 98.8 | 77 | 99.6 | 82.9 | 99.1 |
| Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD Compare | 98.1 | 75.1 | 96.3 | 88.5 | 73.5 | 77 | 99.2 | 82.9 | 80.5 |
| Canon RF 28-70mm f/2.8 IS STM Compare | 85.5 | 86.2 | 67.2 | 77.5 | 84.4 | 83.8 | 77.4 | 87.9 | 98.2 |
| Panasonic LUMIX S S-R28200 Compare | 54.8 | 77.9 | 73.8 | 89.5 | 90.9 | 71.5 | 95.7 | 75.3 | 99.4 |
| Nikon NIKKOR AF-S DX NIKKOR 16-85mm f/3.5-5.6G ED VR Compare | 54.8 | 75.1 | 98.4 | 59.8 | 64.1 | 77 | 94.3 | 87.9 | 92.2 |
Price
Value & Pricing
From CA$686
B&H Photo 1 offer From CA$686
We started tracking prices for this product on May 18, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
