平場鏡與減焦鏡
平場鏡用來修正折射式望遠鏡天生的邊緣像差，讓星點從畫面中心到邊角都能保持銳利一致。由於平場鏡會改變光線在系統中的傳遞方式，配件之間的間距設定就變得格外重要，其中「後焦距」更是影響成像品質的關鍵因素。
如果你是第一次接觸這類配件，建議先從以下文章開始了解：
- What is Back Focus?
- How a Reducer Affects the Light Path
FLAT 61A
促銷價$229.00 USD
FLAT 6AIII (0.8倍減焦)
促銷價$229.00 USD
FLAT GT
促銷價$258.00 USD
FLAT 73A
促銷價$229.00 USD
FLAT 68III
促銷價$656.00 USD
Ultra Flat 132 (0.79倍減焦)
促銷價$898.00 USD
Ultra Flat 156 (0.79倍減焦)
促銷價$898.00 USD
Dr. Flat Master (0.8倍減焦)
促銷價$845.00 USD
FLAT 8 (0.72倍減焦)
促銷價$806.00 USD
FLAT 7A (0.8倍減焦)
促銷價$691.00 USD
如何挑選適配的平場鏡？
請依照下表對照，星號表示該平場鏡與欄位對應的望遠鏡相容。
|
FLAT 61A
1.0x |
FLAT 73A
1.0x |
FLAT GT
1.0x |
FLAT 6AIII
0.8x |
FLAT 68III
1.0x |
FLAT 7A
0.8x |
FLAT 8
0.72x |
Ultra 132
0.79x |
Ultra 156
0.79x |
Dr. Flat
0.8x |
|---|---|---|---|---|---|---|---|---|---|---|
| GS-61 | ★ | |||||||||
| Z-61 | ★ | |||||||||
| Z-73 | ★ | |||||||||
| Z-81 | ★ | |||||||||
| Z-126 | ★ | ★ | ||||||||
| GT-71 | ★ | ★ | ||||||||
| GT-81 | ★ | ★ | ||||||||
| GT-81 WIFD | Adapter | ★ | Adapter | |||||||
| GT-102 | ★ | ★ | ★ | |||||||
| GT-153 | ★ | ★ | ★ | |||||||
| FLT-91 | Adapter | Adapter | ||||||||
| FLT-120 | ★ | Adapter | ||||||||
| FLT-132 | ★ | ★ | ★ | ★ | ||||||
| FLT-156 | ★ | ★ | ★ | ★ | ||||||
| RC Series | ★ | |||||||||
| Pleiades Series | No Flattener Required | |||||||||
| Cat Series | No Flattener Required | |||||||||
平場鏡轉接環
54mm 平場鏡延長接環 ( 適用 GT81 WIFD )
促銷價$68.00 USD
45mm 平場鏡延長接環
促銷價$49.00 USD
30mm 平場鏡轉接環
促銷價$49.00 USD
M92 → M63 轉接環
促銷價$79.00 USD
2"插筒 → M63 轉接環 ( FLAT 6AIII 適用 )
促銷價$44.00 USD
Flat4 轉接環
促銷價$64.00 USD
4" 延長管
促銷價$64.00 USD