| Meade-LX200 7'' (177.8mm) Mak-Cass 2670mmFL @f/15 |
| 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" | 48.5 | 3.7 | 1.0 | 51.7 | -- | 97.1 | -- | -- | 194.2 | -- |
| Plössl | 40 | 43 | 1¼" | 66.8 | 2.7 | 0.6 | 30.3 | 133.5 | 133.5 | 166.9 | 200.3 | 267.0 | 333.8 |
| Plössl | 32 | 50 | 1¼" | 83.4 | 2.1 | 0.6 | 30.3 | 166.9 | 166.9 | 208.6 | 250.3 | 333.8 | 417.2 |
| Plössl | 25 | 50 | 1¼" | 106.8 | 1.7 | 0.5 | 23.8 | 213.6 | 213.6 | 267.0 | 320.4 | 427.2 | 534.0 |
| Plössl | 20 | 50 | 1¼" | 133.5 | 1.3 | 0.4 | 19.2 | 267.0 | 267.0 | 333.8 | 400.5 | 534.0 | 667.5 |
| Plössl | 15 | 50 | 1¼" | 178.0 | 1.0 | 0.3 | 14.2 | 356.0 | 356.0 | 445.0 | 534.0 | 712.0 | 890.0 |
| Plössl | 11 | 50 | 1¼" | 242.7 | 0.7 | 0.2 | 10.2 | 485.5 | 485.5 | 606.8 | 728.2 | 970.9 | 1,213.6 |
| Plössl | 8 | 50 | 1¼" | 333.8 | 0.5 | 0.1 | 7.3 | 667.5 | 667.5 | 834.4 | 1,001.3 | 1,335.0 | 1,668.8 |
| Radian | 18 | 60 | 1¼" | 148.3 | 1.2 | 0.4 | 20.6 | 296.7 | 296.7 | 370.8 | 445.0 | 593.3 | 741.7 |
| Radian | 14 | 60 | 1¼" | 190.7 | 0.9 | 0.3 | 16.2 | 381.4 | 381.4 | 476.8 | 572.1 | 762.9 | 953.6 |
| Radian | 12 | 60 | 1¼" | 222.5 | 0.8 | 0.3 | 14.2 | 445.0 | 445.0 | 556.3 | 667.5 | 890.0 | 1,112.5 |
| Radian | 10 | 60 | 1¼" | 267.0 | 0.7 | 0.2 | 11.8 | 534.0 | 534.0 | 667.5 | 801.0 | 1,068.0 | 1,335.0 |
| Radian | 8 | 60 | 1¼" | 333.8 | 0.5 | 0.2 | 9.3 | 667.5 | 667.5 | 834.4 | 1,001.3 | 1,335.0 | 1,668.8 |
| Radian | 6 | 60 | 1¼" | 445.0 | 0.4 | 0.1 | 7.1 | 890.0 | 890.0 | 1,112.5 | 1,335.0 | 1,780.0 | 2,225.0 |
| Radian | 5 | 60 | 1¼" | 534.0 | 0.3 | 0.1 | 6.0 | 1,068.0 | 1,068.0 | 1,335.0 | 1,602.0 | 2,136.0 | 2,670.0 |
| Radian | 4 | 60 | 1¼" | 667.5 | 0.3 | 0.1 | 4.7 | 1,335.0 | 1,335.0 | 1,668.8 | 2,002.5 | 2,670.0 | 3,337.5 |
| Radian | 3 | 60 | 1¼" | 890.0 | 0.2 | 0.1 | 3.7 | 1,780.0 | 1,780.0 | 2,225.0 | 2,670.0 | 3,560.0 | 4,450.0 |
| Panoptic | 41 | 68 | 2" | 65.1 | 2.7 | 1.0 | 51.7 | -- | 130.2 | -- | -- | 260.5 | -- |
| Panoptic | 35 | 68 | 2" | 76.3 | 2.3 | 0.8 | 43.5 | -- | 152.6 | -- | -- | 305.1 | -- |
| Panoptic | 27 | 68 | 2" | 98.9 | 1.8 | 0.7 | 34.3 | -- | 197.8 | -- | -- | 395.6 | -- |
| Panoptic | 24 | 68 | 1¼" | 111.3 | 1.6 | 0.6 | 30.3 | 222.5 | 222.5 | 278.1 | 333.8 | 445.0 | 556.3 |
| Panoptic | 22 | 68 | 2" & 1¼" | 121.4 | 1.5 | 0.5 | 28.1 | 242.7 | 242.7 | 303.4 | 364.1 | 485.5 | 606.8 |
| Panoptic | 19 | 68 | 1¼" | 140.5 | 1.3 | 0.5 | 23.9 | 281.1 | 281.1 | 351.3 | 421.6 | 562.1 | 702.6 |
| Panoptic | 15 | 68 | 1¼" | 178.0 | 1.0 | 0.4 | 19.2 | 356.0 | 356.0 | 445.0 | 534.0 | 712.0 | 890.0 |
| Nagler 5 | 31 | 82 | 2" | 86.1 | 2.1 | 0.9 | 47.2 | -- | 172.3 | -- | -- | 344.5 | -- |
| Nagler 5 | 26 | 82 | 2" | 102.7 | 1.7 | 0.8 | 39.3 | -- | 205.4 | -- | -- | 410.8 | -- |
| Nagler 4 | 22 | 82 | 2" | 121.4 | 1.5 | 0.7 | 34.9 | -- | 242.7 | -- | -- | 485.5 | -- |
| Nagler 5 | 20 | 82 | 2" | 133.5 | 1.3 | 0.6 | 30.8 | -- | 267.0 | -- | -- | 534.0 | -- |
| Nagler 4 | 17 | 82 | 2" | 157.1 | 1.1 | 0.5 | 27.3 | -- | 314.1 | -- | -- | 628.2 | -- |
| Nagler 5 | 16 | 82 | 1¼" | 166.9 | 1.1 | 0.5 | 24.8 | 333.8 | 333.8 | 417.2 | 500.6 | 667.5 | 834.4 |
| Nagler 6 | 13 | 82 | 1¼" | 205.4 | 0.9 | 0.4 | 19.8 | 410.8 | 410.8 | 513.5 | 616.2 | 821.5 | 1,026.9 |
| Nagler 4 | 12 | 82 | 2" & 1¼" | 222.5 | 0.8 | 0.4 | 19.2 | 445.0 | 445.0 | 556.3 | 667.5 | 890.0 | 1,112.5 |
| Nagler 6 | 11 | 82 | 1¼" | 242.7 | 0.7 | 0.3 | 16.7 | 485.5 | 485.5 | 606.8 | 728.2 | 970.9 | 1,213.6 |
| Nagler 6 | 9 | 82 | 1¼" | 296.7 | 0.6 | 0.3 | 13.9 | 593.3 | 593.3 | 741.7 | 890.0 | 1,186.7 | 1,483.3 |
| Nagler 6 | 7 | 82 | 1¼" | 381.4 | 0.5 | 0.2 | 10.9 | 762.9 | 762.9 | 953.6 | 1,144.3 | 1,525.7 | 1,907.1 |
| Nagler 6 | 5 | 82 | 1¼" | 534.0 | 0.3 | 0.2 | 7.9 | 1,068.0 | 1,068.0 | 1,335.0 | 1,602.0 | 2,136.0 | 2,670.0 |
| Nagler | 4.8 | 82 | 1¼" | 556.3 | 0.3 | 0.1 | 7.4 | 1,112.5 | 1,112.5 | 1,390.6 | 1,668.8 | 2,225.0 | 2,781.3 |
| Nagler 6 | 3.5 | 82 | 1¼" | 762.9 | 0.2 | 0.1 | 5.4 | 1,525.7 | 1,525.7 | 1,907.1 | 2,288.6 | 3,051.4 | 3,814.3 |
| Nagler 6 | 2.5 | 82 | 1¼" | 1,068.0 | 0.2 | 0.1 | 3.8 | 2,136.0 | 2,136.0 | 2,670.0 | 3,204.0 | 4,272.0 | 5,340.0 |
| Nagler | 7 | 82 | 1¼" | 381.4 | 0.5 | 0.2 | 10.6 | 762.9 | 762.9 | 953.6 | 1,144.3 | 1,525.7 | 1,907.1 |
| Nagler Zoom | 2 - 4 | 50 | 1¼" | 1,335.0 - 667.5 | 0.1 - 0.3 | 0.0 - 0.1 | 1.9 - 3.7 | 2,670.0 - 1,335.0 | 2,670.0 - 1,335.0 | 3,337.5 - 1,668.8 | 4,005.0 - 2,002.5 | 5,340.0 - 2,670.0 | 6,675.0 - 3,337.5 |
| Nagler Zoom | 3 - 6 | 50 | 1¼" | 890.0 - 445.0 | 0.2 - 0.4 | 0.1 - 0.1 | 2.9 - 5.7 | 1,780.0 - 890.0 | 1,780.0 - 890.0 | 2,225.0 - 1,112.5 | 2,670.0 - 1,335.0 | 3,560.0 - 1,780.0 | 4,450.0 - 2,225.0 |
| Click Stop Zoom | 8 - 24 | 55 - 40 | 1¼" | 333.8 - 111.3 | 0.5 - 1.6 | 0.2 - 0.4 | 8.5 - 18.8 | 667.5 - 222.5 | 667.5 - 222.5 | 834.4 - 278.1 | 1,001.3 - 333.8 | 1,335.0 - 445.0 | 1,668.8 - 556.3 |