Filters
FLAT 61A
Sale price$229.00 USD
FLAT 6AIII (0.8x Reducer)
Sale price$229.00 USD
FLAT GT
Sale price$258.00 USD
FLAT 73A
Sale price$229.00 USD
FLAT 68III
Sale price$656.00 USD
Ultra Flat 91 (0.79x Reducer)
Sale price$658.00 USD
FLAT 73R (0.8x Reducer)
Sale price$298.00 USD
Ultra Flat 132 (0.79x Reducer)
Sale price$898.00 USD
Ultra Flat 156 (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
How to pick your flattener?
Match your telescope model with the corresponding flattener in the table below.
|
FLAT 61A
1.0x |
FLAT 73A
1.0x |
FLAT 73R
0.8x |
FLAT GT
1.0x |
FLAT 6AIII
0.8x |
FLAT 68III
1.0x |
FLAT 7A
0.8x |
FLAT 8
0.72x |
Ultra 91
0.79x |
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 | |||||||||||
Flattener Adapter
54mm Flattener Extender for GT81 WIFD
Sale price$68.00 USD
45mm Flattener Extender
Sale price$49.00 USD
30mm Flattener Adapter
Sale price$49.00 USD
M92 → M63 Adapter
Sale price$79.00 USD
2" Push-In Nosepiece → M63 Adapter for FLAT 6AIII
Sale price$44.00 USD
Flat4 Draw Tube Adapter
Sale price$64.00 USD
4" Extender
Sale price$64.00 USD