Description
Basic data
| Format | Full frame |
| Focusing | Manual Focus |
| Type | Ultra telephoto |
| Mounts | M42, Pentax K |
Specification
| Blades | no |
| Filter (mm) | 67 |
| Length (mm) | 81 |
| Min focus (m) | 2.5 |
| Weight (g) | 470 |
| Aperture | 5.6/5.6 |
| Focal Length (mm) | 300 |
3M-7 300mm f/5.6
This camera glass has a fixed aperture of f/5.6, which may not be ideal for low light photography but can produce pleasing bokeh. It is a manual focus photographic lens with multiple lens elements and lens coating to reduce reflections and flare. The manufacturing time of this lens is not specified. The build quality is good, and it can produce high resolution images. There are alternative lenses available with different mounts and autofocus capabilities, but this lens is suitable for those who prefer manual focus and do not require a high aperture.
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