Cooke / Spherical Prime
Cooke SP3
Compact mirrorless primes built around Cooke's Speed Panchro heritage. Cooke describes the series as matched to Panchro/i Classic FF, with aligned focus and iris mechanics.
Representative lens illustration. Details simplified. Not to scale.
01 / The lens
Optical Profile
- Lens type
- Spherical Prime
- Focal range
- 18–100mm
- Max. aperture
- T2.4
- Coverage
- Super 35 / Full Frame
Full Frame / Super 35; 43.3mm image circle. Camera and mount compatibility still apply.
- Mounts
- E / RF / L / Z / M
- Image circle
- 43.3 mm
GLM sourcing
Ask GLM about sourcingGLM can use this profile as a starting point for lens strategy, sourcing, or adjacent package recommendations.
GLM editorial assessment
Rendering notes
These are qualitative selection notes. Evaluate the exact lens version, focal length and aperture on your intended camera.
Use cases
- Small mirrorless narrative rigs
- Lightweight companion cameras in Cooke packages
Tradeoffs to test
- The maximum aperture is T2.4.
- Mount and M-mount compatibility must match the camera; this is a mirrorless lens family.
02 / Before the shoot
Plan a lens test
Test the focal lengths and apertures you expect to use. Check the center and edges, move a light across frame, and pull focus through your planned working distances. Include skin tones and the lighting conditions from your shoot.
03 / Further reading
Sources
Consult the original documentation for the specific focal length, mount and lens version. GLM's rendering notes and use cases are editorial interpretation.