Thypoch Simera-C 21mm T1.5 Overview
Compact Full-Frame Capture
Wide Adaptability
- Comes with a native Leica-M lens mount.
- Use with adapters to fit Canon E, Canon RF, Leica L, Nikon Z, and FUJINON-X mounts.
- Use with a PL-to-M adapter for ARRI ALEXA and Sony VENICE cameras.
Natural, High-Resolution Look
- The optical design incorporates aspherical, low-dispersion (LD), and high-refractive (HR) lens elements for high resolution and reduced chromatic aberrations.
- The multilayer coating minimizes flares and ghosting and improves your image contrast.

Fast T1.5 Aperture and Rounded Bokeh
- The fast T1.5 maximum aperture enables low light capture and shallow depth-of-field effects with noticeable separation between your subject and background.
- The T1.5 to T16 aperture range is consistent across the Simera-C series.
- 16 aperture blades produce smoothly rounded bokeh.
Compact Design
- The Simer-C series' lightweight, compact design is ideal for gimbal, handheld, and vehicle capture.
- Gear positioning is consistent across the series, enabling quick lens changes.
- Focus marks are provided in both feet and meters.

Thypoch Simera-C 21mm T1.5 Specifications
Optics
| Focal Length | 21 mm |
| Maximum Aperture | T1.5 |
| Minimum Aperture | T16 |
| Lens Mount | Leica M |
| Lens Format Coverage | Full-Frame |
| Image Circle | 43.2 mm |
| Focus Scales | Metric, Imperial |
| Angle of View | Horizontal: 80° Vertical: 58° Diagonal: 90° |
| Minimum Focus Distance | From Camera Sensor: 23 cm |
| Optical Design | 13 Elements in 11 Groups |
| Diaphragm Blades | 16 |
| Filter Thread | 62 mm x 0.75 |
| Gear Standard | Focus: 0.8 MOD Iris: 0.8 MOD |
| Gear Rotation | Focus: 210° |
| Image Stabilization | No |
| Electronic Communication | No |
| Coatings | Multi-Coated |
| Environmental Resistance | No |
Dimensions & Weight
| Diameter | Front: 67 mm |
| Length | 68.8 mm |
| Weight | 472 g |
What's in the box
- 1 x Thypoch Simera-C 21mm T1.5 Cine Lens (Leica M)
- 1 x Front Lens Cap
- 1 x Rear Lens Cap
- 1 x Shim Set
- 1 x Screw Set
- 1 x Screwdriver
- Barcode: 80722
- UPC Barcode: 842463103573
- Supplier Code: TP-SC2115-M