鏡筒タイプ | MAK 180/1800 |
APQ 150/1200 |
APQ 130/1000 |
APQ 100/640 |
APQ 100/1000 |
AS 100/1000 |
AS 80/840 |
C 63/840 |
---|---|---|---|---|---|---|---|---|
光学系 | Maksutov | Flourite Triplet Apochromat | Semi Apochromat | Achromat | ||||
口径 | 180mm | 150mm | 130mm | 100mm | 100mm | 100mm | 80mm | 63mm |
焦点距離 | 1800mm | 1200mm | 1000mm | 640mm | 1000mm | 1000mm | 840mm | 840mm |
口径比 | 1:10 | 1:8 | 1:7.7 | 1:6.4 | 1:10 | 1:10 | 1:10.5 | 1:13.3 |
分解能 | 0.64" | 0.77" | 0.89" | 1.16" | 1.16" | 1.16" | 1.45" | 1.84" |
極限等級 | 13.8等 | 13.6等 | 13.3等 | 12.7等 | 12.7等 | 12.6等 | 12.1等 | 11.6等 |
鏡筒長 | 570mm | 1,237mm | 1,020mm | 650mm | 1,030mm | 1,030mm | 810mm | 950mm |
鏡筒外径 | 236mm | 183mm | 162mm | 125mm | 125mm | 125mm | 101mm | 80mm |
鏡筒重量 | 15.0kg | 15.5kg | 9.0kg | 5.0kg | 6.5kg | 6.0kg | 4.0kg | 3.0kg |