Canon EF 300 F4 L USM - 05 March 2008
My equipment has a new member - 300mm Canon lenses. It is an older model - without image stabilizer.
I tried it under the sky. As you can see below, differences at aperture 4; 5.6 and 6.3 are minimal.
| Optics: | Canon EF 300 F4 L USM |
|---|---|
| Focal: | 300mm |
| Aperature: | 4 |
| Exposure: | 6s |
| Pointation: | unpointed |
| Mount: | Astro-3 + EQ-2M motor drive system |
| ISO/ASA: | 1600 |
| Camera: | modified Canon 350D |
| Optics: | Canon EF 300 F4 L USM |
|---|---|
| Focal: | 300mm |
| Aperature: | 4; 5.6; 6.3 |
| Pointation: | unpointed |
| Mount: | Astro-3 + EQ-2M motor drive system |
| ISO/ASA: | 1600 |
| Camera: | modified Canon 350D |