Filter · 2000–2024
Meade Instruments Series 4000 #21 Orange Filter 1.25"
Key specifications
| Filter type | Other |
|---|---|
| Filter size | 1.25" |
| Mounted | Yes |
About
Series 4000 #21 Orange planetary color filter (Wratten 21). Blocks blue-green wavelengths to boost contrast of maria and surface features on Mars; belt detail on Jupiter. Threads into 1.25" eyepieces; can be stacked.
Where to buy
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