iOptron 7nm H-Alpha Narrowband Filter - 1.25" Mounted
Ships by Next Business Day
Contiguous US Customers:
All items we sell ship for free within the Contiguous US. Shipping will be via the cheapest shipping method which will vary depending on the items in your order. During checkout, you may also be shown other optional faster shipping choices.
US Customers in Hawaii and Alaska:
Free shipping applies to almost all products. A few large telescopes and mounts are excluded from this free shipping offer. For these items, please contact us to obtain a shipping quote before you check out using the online shopping cart.
International Customers:
Free shipping does not apply to international orders. During check-out, you will be presented with several shipping choices and costs. However, the export of some items may be restricted outside the US due to size or manufacturer restrictions.
WARNING: iOptron filters are not safe for direct solar viewing. Never use them to observe or image the Sun, as this can cause permanent damage to both your eyes and equipment.
iOptron 7nm Hydrogen-Alpha Narrowband Filter - 1.25"
Introducing the improved iOptron narrowband Ha (Hydrogen-alpha) filter, designed for nebula observation or CCD imaging! This filter isolates light at the wavelength of 656.3 nm, allowing you to reveal deep-sky objects like nebulae and star-forming regions. Typically, Ha filters are the first narrowband addition to an LRGB set for beginner imagers, who blend a black-and-white Ha image into RGB data: enhancing structural detail while maintaining a natural look. Isolating only Ha emissions reduces artificial light, including mercury vapor that causes light pollution. This minimizes unwanted skyglow and helps manage light pollution interference, making your nebula images sharper and more contrast-rich..
Narrowband filters don’t eliminate light pollution or make objects brighter. Instead, they enhance contrast by darkening the background sky relative to the nebula, making the nebulae stand out more clearly.
Specifications:
- 1.25" round mounted filter for filter wheels similar to iOptron iEFW 5-Position Electronic Filter Wheel
- Can be used for a 1.25" eyepiece (M28.5x0.6)
- Multi-layer anti-reflection coating for high transmission
- High surface quality of 60/40
- Surface flatness <λ/4
- Parallelism 30"
| Product Banner Type | new |
|---|---|
| Free Shipping Graphic | Free US Shipping |
| Hide Found a better Shipped Price on Frontend? | No |
- 1x iOptron 7nm Ha Narrowband Filter
WARNING: iOptron filters are not safe for direct solar viewing. Never use them to observe or image the Sun, as this can cause permanent damage to both your eyes and equipment.
iOptron 7nm Hydrogen-Alpha Narrowband Filter - 1.25"
Introducing the improved iOptron narrowband Ha (Hydrogen-alpha) filter, designed for nebula observation or CCD imaging! This filter isolates light at the wavelength of 656.3 nm, allowing you to reveal deep-sky objects like nebulae and star-forming regions. Typically, Ha filters are the first narrowband addition to an LRGB set for beginner imagers, who blend a black-and-white Ha image into RGB data: enhancing structural detail while maintaining a natural look. Isolating only Ha emissions reduces artificial light, including mercury vapor that causes light pollution. This minimizes unwanted skyglow and helps manage light pollution interference, making your nebula images sharper and more contrast-rich..
Narrowband filters don’t eliminate light pollution or make objects brighter. Instead, they enhance contrast by darkening the background sky relative to the nebula, making the nebulae stand out more clearly.
Specifications:
- 1.25" round mounted filter for filter wheels similar to iOptron iEFW 5-Position Electronic Filter Wheel
- Can be used for a 1.25" eyepiece (M28.5x0.6)
- Multi-layer anti-reflection coating for high transmission
- High surface quality of 60/40
- Surface flatness <λ/4
- Parallelism 30"
| Product Banner Type | new |
|---|---|
| Free Shipping Graphic | Free US Shipping |
| Hide Found a better Shipped Price on Frontend? | No |
- 1x iOptron 7nm Ha Narrowband Filter
iOptron 7nm H-Alpha Narrowband Filter - 1.25" Mounted # 3383-Ha