SV227 SHO Filter H-Alpha OIII SII 5nm 1.25inch Astrophotography Bundle Set for Deep Space Objects
7 | ReviewsOfficial Store Exclusive+16 Points
Key Features
- Complete SHO Filter Set
- 5nm Bandwidth for Precision
- High-Quality Optics
- Durable and Long-Lasting
- Easy to Use and Compatible
⚡ Shipped: 72 hrs after ordering (Pre-sale products excluded).
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Cut-off Depth ≥OD5
With a Cut-off Depth ≥OD5, the SV227 1.25 inch narrowband filter set can effectively block unwanted light, ensuring pure and clear stargazing.
Cut-off Depth ≥OD5
With a Cut-off Depth ≥OD5, the SV227 1.25 inch narrowband filter set can effectively block unwanted light, ensuring pure and clear stargazing.
Customer Reviews
Igor Korenika
Dec 12, 2024
Great filters.
Marc
Sep 02, 2024
Before I got my 705 OSC, I shot mono with the Ha and Oiii (not Sii yet), and these filters are just fantastic! Not expensive, and give results as expected. I don't even notice halos with the Oiii.
StevenBus
Feb 23, 2024
very good
Kazkzrdmurdy
Mar 31, 2023
Thanks, +
Saracap
Mar 24, 2023
thanks for approve my account :) deSara
Garrytrurl
Jan 20, 2023
Интересный пост<br>
BadSantaeie
Nov 17, 2022
hello there. What can i do for you hehes thanks i registered 2 weeks ago but i cant find where can i search any words. thanks for help :)
| Brand | SVBONY |
| Product Name | SII & OIII & H-Alpha Filter |
| Model | SV227 |
| SKU | W9187A |
| Spec | 5nm |
| Size | 1.25-Inch |
| Transmission Line Wavelength | 500.7nm & 656.3nm & 671.6nm |
| Peak Transmission Rate | T ≥90% |
| Wavelength Range | 300-1000nm |
| Blocking | OD5 @300-1000nm |
| Clear Aperture | 26mm |
| Surface Quality | 60/40 |
| Surface Parallelism | 1/4λ |
| Cut-off Depth | Average ≥ OD5 |
| Parallelism | 30" |
| Thread Size | M28.5x0.6 |
| Thread Type | Single thread / Male thread |
| Net Weight | 140g |
| Substrate Thickness | 1.85mm |
| Surface Treatment | CNC / Black Anodized |
| Material | 6061T Aluminum Alloy |
| Net Weight per Piece | 15g |
| Filter Diameter | Φ31.75x7mm |
Feature
- 1. Optical high precision double sided polishing to ensure that the parallelism is higher than 30 inch and high flatness 1/4λ; to ensure that does not affect the image quality
2. Precision double sided optical coating; non two piece glue; effectively improve the transmittance and cut off depth
3. 300-1000nm wavelength range; Oxygen III 5nm extra narrowband filter transmits a 5nm bandwidth of light that is centered at 500.7nm
4. Standard 1.25 inch interface; thin metal cells have a clear aperture of 26mm for 1.25 inch filters
5. 300-1000nm wavelength range; the Sulfur II 5nm extra narrowband filter transmits a 5nm bandwidth of light that is centered at 671.6nm
Package Includes
1.25-inch H-alpha Filter x1
1.25-inch SII Filter x1
1.25-inch OIII Filter x1
PP Storage Cases x3
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