Filters
FLAT 61A
Sale price$229.00 USD
FLAT 73A
Sale price$229.00 USD
FLAT 73R (0.8x Reducer)
Sale price$298.00 USD
FLAT 68III
Sale price$656.00 USD
FLAT 6AIII (0.8x Reducer) special edition for FLT91
Sale price$293.00 USD
Ultra Flat (0.79x Reducer)
Sale price$898.00 USD
Dr. Flat Master (0.8x Reducer)
Sale price$845.00 USD
FLAT 8 (0.72x Reducer)
Sale price$806.00 USD
FLAT 7A (0.8x Reducer)
Sale price$691.00 USD
FLAT 6AIII (0.8x Reducer)
Sale price$229.00 USD
How to pick your flattener?
Match your telescope model with the corresponding flattener in the table below.
|
FLAT 61A
1.0x Flattener |
FLAT 61R
0.8x Reducer |
FLAT 73A
1.0x Flattener |
FLAT 73R
0.8x Reducer |
FLAT 6AIII
0.8x Flattener |
FLAT 68III
1.0x Reducer |
FLAT 7A
0.8x Reducer |
FLAT 8
0.72x Reducer |
Ultra Flat
0.79x Reducer |
Dr. Flat
0.8x Reducer |
|---|---|---|---|---|---|---|---|---|---|---|
| GS-61 | ★ | ★ | ||||||||
| Z-61 | ★ | ★ | ||||||||
| Z-73 | ★ | ★ | ||||||||
| Z-81 | ★ | |||||||||
| Z-126 | ★ | ★ | ||||||||
| GT-71 | ★ | |||||||||
| GT-81 | ★ | |||||||||
| GT-81 WIFD | ★ | Adapter | ||||||||
| GT-102 | ★ | ★ | ★ | |||||||
| GT-153 | ★ | ★ | ★ | |||||||
| FLT-91 | Adapter | Adapter | ||||||||
| FLT-120 | ★ | Adapter | ||||||||
| FLT-132 | ★ | ★ | ★ | ★ | ||||||
| FLT-156 | ★ | ★ | ★ | ★ | ||||||
| RC 10 | ★ | |||||||||
| RC 12 | ★ | |||||||||
| RC 14 | ★ | |||||||||
| RC 16 | ★ | |||||||||
| Pleiades Series | No Flattener Required | |||||||||
| Cat Series | No Flattener Required | |||||||||
Flattener Adapter
54mm Adjusting Flattener Adapter for GT81 WIFD
Sale price$68.00 USD
45mm Adjusting Flattener Adapter
Sale price$49.00 USD
30mm Flattener Adapter
Sale price$49.00 USD
M92 → M63 Adapter
Sale price$79.00 USD
Adapter Specification
| Female thread | Length | Male thread | |
|---|---|---|---|
| 68III / 7A Original | M80 x 0.75 | 30mm | M48 x 0.75 |
| AD-M80TOM54 | M80 x 0.75 | 30mm | M54 x 0.75 |
| AD-M80TOM68 | M80 x 0.75 | 30mm | M68 x 0.75 |
| AD-M80-45-M48 | M80 x 0.75 | 45mm | M48 x 0.75 |
| AD-M80-54-M48 | M80 x 0.75 | 54mm | M48 x 0.75 |
| AD-M80-45-M54 | M80 x 0.75 | 54mm | M54 x 0.75 |