| Meade-LX200 7'' (177.8mm) Mak-Cass 1682.1mmFL @f/9.4 (.63FR) |
| Design | Focal Length (mm) |
Apparent Field (°) |
Barrel Size |
Mag. (x) |
Exit Pupil (mm) |
True Field (°) |
True Field @1000 yards (feet) |
Mag.
w/2x Barlow |
Mag.
w/2x Big Barlow or Powermate |
Mag. w/2.5x Powermate |
Mag. w/3x Barlow |
Mag. w/4x Powermate |
Mag. w/5x Powermate |
| Plössl | 55 | 50 | 2" | 30.6 | 5.8 | 1.6 | 82.0 | -- | 61.2 | -- | -- | 122.3 | -- |
| Plössl | 40 | 43 | 1¼" | 42.1 | 4.2 | 0.9 | 48.2 | 84.1 | 84.1 | 105.1 | 126.2 | 168.2 | 210.3 |
| Plössl | 32 | 50 | 1¼" | 52.6 | 3.4 | 0.9 | 48.2 | 105.1 | 105.1 | 131.4 | 157.7 | 210.3 | 262.8 |
| Plössl | 25 | 50 | 1¼" | 67.3 | 2.6 | 0.7 | 37.8 | 134.6 | 134.6 | 168.2 | 201.9 | 269.1 | 336.4 |
| Plössl | 20 | 50 | 1¼" | 84.1 | 2.1 | 0.6 | 30.5 | 168.2 | 168.2 | 210.3 | 252.3 | 336.4 | 420.5 |
| Plössl | 15 | 50 | 1¼" | 112.1 | 1.6 | 0.4 | 22.5 | 224.3 | 224.3 | 280.4 | 336.4 | 448.6 | 560.7 |
| Plössl | 11 | 50 | 1¼" | 152.9 | 1.2 | 0.3 | 16.2 | 305.8 | 305.8 | 382.3 | 458.8 | 611.7 | 764.6 |
| Plössl | 8 | 50 | 1¼" | 210.3 | 0.8 | 0.2 | 11.6 | 420.5 | 420.5 | 525.7 | 630.8 | 841.1 | 1,051.3 |
| Radian | 18 | 60 | 1¼" | 93.5 | 1.9 | 0.6 | 32.6 | 186.9 | 186.9 | 233.6 | 280.4 | 373.8 | 467.3 |
| Radian | 14 | 60 | 1¼" | 120.2 | 1.5 | 0.5 | 25.7 | 240.3 | 240.3 | 300.4 | 360.5 | 480.6 | 600.8 |
| Radian | 12 | 60 | 1¼" | 140.2 | 1.3 | 0.4 | 22.5 | 280.4 | 280.4 | 350.4 | 420.5 | 560.7 | 700.9 |
| Radian | 10 | 60 | 1¼" | 168.2 | 1.1 | 0.4 | 18.7 | 336.4 | 336.4 | 420.5 | 504.6 | 672.8 | 841.1 |
| Radian | 8 | 60 | 1¼" | 210.3 | 0.8 | 0.3 | 14.8 | 420.5 | 420.5 | 525.7 | 630.8 | 841.1 | 1,051.3 |
| Radian | 6 | 60 | 1¼" | 280.4 | 0.6 | 0.2 | 11.2 | 560.7 | 560.7 | 700.9 | 841.1 | 1,121.4 | 1,401.8 |
| Radian | 5 | 60 | 1¼" | 336.4 | 0.5 | 0.2 | 9.5 | 672.8 | 672.8 | 841.1 | 1,009.3 | 1,345.7 | 1,682.1 |
| Radian | 4 | 60 | 1¼" | 420.5 | 0.4 | 0.1 | 7.5 | 841.1 | 841.1 | 1,051.3 | 1,261.6 | 1,682.1 | 2,102.6 |
| Radian | 3 | 60 | 1¼" | 560.7 | 0.3 | 0.1 | 5.9 | 1,121.4 | 1,121.4 | 1,401.8 | 1,682.1 | 2,242.8 | 2,803.5 |
| Panoptic | 41 | 68 | 2" | 41.0 | 4.3 | 1.6 | 82.0 | -- | 82.1 | -- | -- | 164.1 | -- |
| Panoptic | 35 | 68 | 2" | 48.1 | 3.7 | 1.3 | 69.0 | -- | 96.1 | -- | -- | 192.2 | -- |
| Panoptic | 27 | 68 | 2" | 62.3 | 2.9 | 1.0 | 54.4 | -- | 124.6 | -- | -- | 249.2 | -- |
| Panoptic | 24 | 68 | 1¼" | 70.1 | 2.5 | 0.9 | 48.2 | 140.2 | 140.2 | 175.2 | 210.3 | 280.4 | 350.4 |
| Panoptic | 22 | 68 | 2" & 1¼" | 76.5 | 2.3 | 0.9 | 44.6 | 152.9 | 152.9 | 191.1 | 229.4 | 305.8 | 382.3 |
| Panoptic | 19 | 68 | 1¼" | 88.5 | 2.0 | 0.7 | 38.0 | 177.1 | 177.1 | 221.3 | 265.6 | 354.1 | 442.7 |
| Panoptic | 15 | 68 | 1¼" | 112.1 | 1.6 | 0.6 | 30.5 | 224.3 | 224.3 | 280.4 | 336.4 | 448.6 | 560.7 |
| Nagler 5 | 31 | 82 | 2" | 54.3 | 3.3 | 1.4 | 74.9 | -- | 108.5 | -- | -- | 217.0 | -- |
| Nagler 5 | 26 | 82 | 2" | 64.7 | 2.7 | 1.2 | 62.4 | -- | 129.4 | -- | -- | 258.8 | -- |
| Nagler 4 | 22 | 82 | 2" | 76.5 | 2.3 | 1.1 | 55.5 | -- | 152.9 | -- | -- | 305.8 | -- |
| Nagler 5 | 20 | 82 | 2" | 84.1 | 2.1 | 0.9 | 48.9 | -- | 168.2 | -- | -- | 336.4 | -- |
| Nagler 4 | 17 | 82 | 2" | 98.9 | 1.8 | 0.8 | 43.3 | -- | 197.9 | -- | -- | 395.8 | -- |
| Nagler 5 | 16 | 82 | 1¼" | 105.1 | 1.7 | 0.8 | 39.4 | 210.3 | 210.3 | 262.8 | 315.4 | 420.5 | 525.7 |
| Nagler 6 | 13 | 82 | 1¼" | 129.4 | 1.4 | 0.6 | 31.4 | 258.8 | 258.8 | 323.5 | 388.2 | 517.6 | 647.0 |
| Nagler 4 | 12 | 82 | 2" & 1¼" | 140.2 | 1.3 | 0.6 | 30.5 | 280.4 | 280.4 | 350.4 | 420.5 | 560.7 | 700.9 |
| Nagler 6 | 11 | 82 | 1¼" | 152.9 | 1.2 | 0.5 | 26.6 | 305.8 | 305.8 | 382.3 | 458.8 | 611.7 | 764.6 |
| Nagler 6 | 9 | 82 | 1¼" | 186.9 | 1.0 | 0.4 | 22.1 | 373.8 | 373.8 | 467.3 | 560.7 | 747.6 | 934.5 |
| Nagler 6 | 7 | 82 | 1¼" | 240.3 | 0.7 | 0.3 | 17.3 | 480.6 | 480.6 | 600.8 | 720.9 | 961.2 | 1,201.5 |
| Nagler 6 | 5 | 82 | 1¼" | 336.4 | 0.5 | 0.2 | 12.5 | 672.8 | 672.8 | 841.1 | 1,009.3 | 1,345.7 | 1,682.1 |
| Nagler | 4.8 | 82 | 1¼" | 350.4 | 0.5 | 0.2 | 11.8 | 700.9 | 700.9 | 876.1 | 1,051.3 | 1,401.8 | 1,752.2 |
| Nagler 6 | 3.5 | 82 | 1¼" | 480.6 | 0.4 | 0.2 | 8.6 | 961.2 | 961.2 | 1,201.5 | 1,441.8 | 1,922.4 | 2,403.0 |
| Nagler 6 | 2.5 | 82 | 1¼" | 672.8 | 0.3 | 0.1 | 6.1 | 1,345.7 | 1,345.7 | 1,682.1 | 2,018.5 | 2,691.4 | 3,364.2 |
| Nagler | 7 | 82 | 1¼" | 240.3 | 0.7 | 0.3 | 16.8 | 480.6 | 480.6 | 600.8 | 720.9 | 961.2 | 1,201.5 |
| Nagler Zoom | 2 - 4 | 50 | 1¼" | 841.1 - 420.5 | 0.2 - 0.4 | 0.1 - 0.1 | 3.0 - 5.9 | 1,682.1 - 841.1 | 1,682.1 - 841.1 | 2,102.6 - 1,051.3 | 2,523.2 - 1,261.6 | 3,364.2 - 1,682.1 | 4,205.3 - 2,102.6 |
| Nagler Zoom | 3 - 6 | 50 | 1¼" | 560.7 - 280.4 | 0.3 - 0.6 | 0.1 - 0.2 | 4.6 - 9.1 | 1,121.4 - 560.7 | 1,121.4 - 560.7 | 1,401.8 - 700.9 | 1,682.1 - 841.1 | 2,242.8 - 1,121.4 | 2,803.5 - 1,401.8 |
| Click Stop Zoom | 8 - 24 | 55 - 40 | 1¼" | 210.3 - 70.1 | 0.8 - 2.5 | 0.3 - 0.6 | 13.6 - 29.8 | 420.5 - 140.2 | 420.5 - 140.2 | 525.7 - 175.2 | 630.8 - 210.3 | 841.1 - 280.4 | 1,051.3 - 350.4 |