| Parameter | Field Size | 6 XFFF | 10 XFFF |
| Off Axis Ratio: Cr Plane (+3 cm/−3 cm) | 10 × 10 | 0.9501/0.9548 | 0.9104/0.9171 |
| Off Axis Ratio: In Plane (+3 cm/−3 cm) | 10 × 10 | 0.9506/0.9527 | 0.9132/0.9153 |
| Lateral width of 90% dose level | 20 × 20 | 9.91 | 6.40 |
| (X90 cm) for Cr profile |
|
|
|
| Lateral width of 75% dose level | 20 × 20 | 17.30 | 12.59 |
| (X75 cm) for Cr profile |
|
|
|
| Lateral width of 60% dose level | 20 × 20 | 19.39 | 18.60 |
| (X60 cm) for Cr profile |
|
|
|
| Separation between IPL & IPR (cm) | 20 × 20 | 19.94 | 19.91 |
| Cr profile (Field Size)* |
|
|
|
| Radiation beam Penumbra (Pb − Pa mm) | 20 × 20 | 0.746/0.866 | 0.756/0.798 |
| Cr profile (Lt/Rt)* |
|
|
|
| Lateral width of 90% dose level | 20 × 20 | 9.97 | 6.41 |
| (X90 cm) for In profile |
|
|
|
| Lateral width of 75% dose level | 20 × 20 | 17.27 | 12.57 |
| (X90 cm) for In profile |
|
|
|
| Lateral width of 60% dose level | 20 × 20 | 19.66 | 18.21 |
| (X90 cm) for In profile |
|
|
|
| Separation between IPL & IPR (cm) | 20 × 20 | 19.91 | 19.91 |
| In profile (Field Size)* |
|
|
|
| Radiation beam Penumbra (Pb − Pa mm) | 20 × 20 | 0.851/0.955 | 0.695/0.905 |
| In profile (Lt/Rt)* |
|
|
|