This exceptionally reliable zoom guarantees through it`s modularity a solution for most imaging applications where flexible Magnification is beneficial. All Tubes except right angle versions have diameter 35 mm.
Motorized versions are available on request.
- Zoom C-Mount Chart
- Magnification Chart Zoom 70
Zoom C-Mount Chart

Configuration is very simple:
Just pick a Tube / Objective Combination from theMagnification Chart, select either a detented or plain zoom version and add a focus module, coax illumination or just the basic adapter.
Download Zoom C-Mount Chart (PDF)
Just pick a Tube / Objective Combination from theMagnification Chart, select either a detented or plain zoom version and add a focus module, coax illumination or just the basic adapter.
Download Zoom C-Mount Chart (PDF)
Magnification Chart Fixed Mag
| Tubes | |||||||||||
| Tube Magnifications | 0.50x | 0.67x | 1.00x | 1.50x | 2.00x | ||||||
| Zoom Magnification | Low | High | Low | High | Low | High | Low | High | Low | High | |
| 0.30x | 2.20x | 0.30x | 2.20x | 0.30x | 2.20x | 0.30x | 2.20x | 0.30x | 2.20x | ||
| TV-Objectives | |||||||||||
| 0.62x | Total Mag. | 0.09x | 0.63x | 0.12x | 0.85x | 0.18x | 1.27x | 0.27x | 1.90x | 0.36x | 2.54x |
| WD= 390 mm |
FOV 1/2“ [mm] | 52.2 x 70.0 | 7.4 x 9.9 | 39.0 x 52.2 | 5.5 x 7.4 | 26.1 x 35.0 | 3.7 x 5.0 | 17.4 x 23.3 | 2.5 x 3.3 | 13.1 x 17.5 | 1.9 x 2.5 |
| 0.75x | Total Mag. | 0.11x | 0.77x | 0.15x | 1.03x | 0.22x | 1.54x | 0.33x | 2.30x | 0.44x | 3.07x |
| WD= 324 mm |
FOV 1/2“ [mm] | 43.1 x 57.8 | 6.1 x 8.2 | 32.2 x 43.1 | 4.6 x 6.1 | 21.5 x 28.9 | 3.1 x 4.1 | 14.4 x 19.3 | 2.0 x 2.7 | 10.8 x 14.4 | 1.5 x 2.1 |
| 0.83x | Total Mag. | 0.12x | 0.85x | 0.16x | 1.13x | 0.24x | 1.69x | 0.36x | 2.54x | 0.48x | 3.38x |
| WD= 294 mm |
FOV 1/2“ [mm] | 39.2 x 52.5 | 5.6 x 7.5 | 29.2 x 39.2 | 4.2 x 5.6 | 19.6 x 26.3 | 2.8 x 3.7 | 13.1 x 17.5 | 1.9 x 2.5 | 9.8 x 13.1 | 1.4 x 1.9 |
| 1.0x | Total Mag. | 0.14x | 1.01x | 0.19x | 1.36x | 0.29x | 2.03x | 0.43x | 3.04x | 0.58x | 4.06x |
| WD= 244 mm |
FOV 1/2“ [mm] | 32.6 x 43.8 | 4.6 x 6.2 | 24.4 x 32.6 | 3.5 x 4.6 | 16.3 x 21.9 | 2.3 x 3.1 | 10.9 x 14.6 | 1.5 x 2.1 | 8.2 x 10.9 | 1.2 x 1.6 |
| 1.2x | Total Mag. | 0.18x | 1.27x | 0.24x | 1.70x | 0.36x | 2.54x | 0.54x | 3.80x | 0.72x | 5.07x |
| WD= 194 mm |
FOV 1/2“ [mm] | 26.1 x 35.0 | 3.7 x 5.0 | 19.5 x 26.1 | 2.8 x 3.7 | 13.1 x 17.5 | 1.9 x 2.5 | 8.7 x 11.7 | 1.2 x 1.7 | 6.5 x 8.8 | 0.9 x 1.2 |
| 1.5x | Total Mag. | 0.23x | 1.58x | 0.30x | 2.12x | 0.45x | 3.17x | 0.68x | 4.75x | 0.90x | 6.34x |
| WD= 155 mm |
FOV 1/2“ [mm] | 20.9 x 28.0 | 3.0 x 4.0 | 15.6 x 20.9 | 2.2 x 3.0 | 10.4 x 14.0 | 1.5 x 2.0 | 7.0 x 9.3 | 1.0 x 1.3 | 5.2 x 7.0 | 0.7 x 1.0 |
| 1.8x | Total Mag. | 0.26x | 1.81x | 0.51x | 3.62x | 0.51x | 3.62x | 0.77x | 5.43x | 1.03x | 7.24x |
| WD= 134 mm |
FOV 1/2“ [mm] | 18.3 x 24.5 | 2.6 x 3.5 | 9.1 x 12.3 | 1.3 x 1.7 | 9.1 x 12.3 | 1.3 x 1.7 | 6.1 x 8.2 | 0.9 x 1.2 | 4.6 x 6.1 | 0.6 x 0.9 |
| 2.0x | Total Mag. | 0.30x | 2.11x | 0.40x | 2.83x | 0.60x | 4.23x | 0.90x | 6.34x | 1.20x | 8.45x |
| WD= 114 mm |
FOV 1/2“ [mm] | 15.7 x 21.0 | 2.2 x 3.0 | 11.7 x 15.7 | 1.7 x 2.2 | 7.8 x 10.5 | 1.1 x 1.5 | 5.2 x 7.0 | 0.7 x 1.0 | 3.9 x 5.3 | 0.6 x 0.7 |
| 2.5x | Total Mag. | 0.36x | 2.11x | 0.48x | 3.40x | 0.72x | 4.23x | 1.08x | 6.34x | 1.44x | 8.45x |
| WD= 95 mm |
FOV 1/2“ [mm] | 13.1 x 17.5 | 2.2 x 3.0 | 9.7 x 13.1 | 1.4 x 1.9 | 6.5 x 8.8 | 1.1 x 1.5 | 4.4 x 5.8 | 0.7 x 1.0 | 3.3 x 4.4 | 0.6 x 0.7 |
| 3.1x | Total Mag. | 0.45x | 3.17x | 0.60x | 4.25x | 0.90x | 6.34x | 1.35x | 9.51x | 1.80x | 12.68x |
| WD= 77 mm |
FOV 1/2“ [mm] | 10.4 x 14.0 | 1.5 x 2.0 | 7.8 x 10.4 | 1.1 x 1.5 | 5.2 x 7.0 | 0.7 x 1.0 | 3.5 x 4.7 | 0.5 x 0.7 | 2.6 x 3.5 | 0.4 x 0.5 |
| 3.7x | Total Mag. | 0.51x | 3.62x | 0.69x | 4.85x | 1.03x | 7.24x | 1.54x | 10.86x | 2.06x | 14.49x |
| WD= 61 mm |
FOV 1/2“ [mm] | 9.1 x 12.3 | 1.3 x 1.7 | 6.8 x 9.1 | 1.0 x 1.3 | 4.6 x 6.1 | 0.6 x 0.9 | 3.0 x 4.1 | 0.4 x 0.6 | 2.3 x 3.1 | 0.3 x 0.4 |
| 5.0x | Total Mag. | 0.72x | 5.07x | 0.96x | 6.79x | 1.44x | 10.14x | 2.16x | 15.21x | 2.88x | 20.28x |
| WD= 40 mm |
FOV 1/2“ [mm] | 6.53 x 8.75 | 0.93 x 1.24 | 4.87 x 6.53 | 0.69 x 0.93 | 3.26 x 4.38 | 0.46 x 0.62 | 2.18 x 2.92 | 0.31 x 0.41 | 1.63 x 2.19 | 0.23 x 0.31 |
| Micro-Objectives (1.25x) | |||||||||||
| 5.0x | Total Mag. | 0.94x | 6.88x | 1.26x | 9.21x | 1.88x | 13.75x | 2.81x | 20.63x | 3.75x | 27.50x |
| WD= 14/22.5 mm |
FOV 1/2“ [mm] | 6.83 x 5.12 | 0.93 x 0.70 | 5.09 x 3.82 | 0.69 x 0.52 | 3.41 x 2.56 | 0.47 x 0.35 | 2.28 x 1.71 | 0.31 x 0.23 | 1.71 x 1.28 | 0.23 x 0.17 |
| 10.0x | Total Mag. | 1.88x | 13.75x | 2.51x | 18.43x | 3.75x | 27.50x | 5.63x | 41.25x | 7.50x | 55.00x |
| WD= 17.6/20.3 mm |
FOV 1/2“ [mm] | 3.41 x 2.56 | 0.47 x 0.35 | 2.55 x 1.91 | 0.35 x 0.26 | 1.71 x 1.28 | 0.23 x 0.17 | 1.14 x 0.85 | 0.16 x 0.12 | 0.85 x 0.64 | 0.12 x 0.09 |
| 20.0x | Total Mag. | 3.75x | 27.50x | 5.03x | 36.85x | 7.50x | 55.00x | 11.25x | 82.50x | 15.00x | 110.00x |
| WD= 1.1/20.5 mm |
FOV 1/2“ [mm] | 1.71 x 1.28 | 0.23 x 0.17 | 1.27 x 0.96 | 0.17 x 0.13 | 0.85 x 0.64 | 0.12 x 0.09 | 0.57 x 0.43 | 0.08 x 0.06 | 0.43 x 0.32 | 0.06 x 0.04 |
| 50.0x | Total Mag. | 9.38x | 68.75x | 12.56x | 92.13x | 18.75x | 137.50x | 28.13x | 206.25x | 37.50x | 275.00x |
| WD= 0.51/13.8 mm |
FOV 1/2“ [mm] | 0.68 x 0.51 | 0.09 x 0.07 | 0.51 x 0.38 | 0.07 x 0.05 | 0.34 x 0.26 | 0.05 x 0.03 | 0.23 x 0.17 | 0.03 x 0.02 | 0.17 x 0.13 | 0.02 x 0.02 |

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