SV555 Astrograph APO Telescope - SV260 Multi-bandpass Filter Set for Deep-sky and Comet Photography
84 | ReviewsKey Features
This SV555 photography bundle includes:
Lemmon A6 18 ottobre 2025
- Astrograph Telescope: Svbony SV555
- Multi-Bandpass: Svbony SV260
C/2025 A6 (Lemmon) is a non-periodic comet discovered by the Mount Lemmon Survey in images obtained on 3 January 2025. It has an inbound orbital period of about 1,350 years and will pass perihelion on 8 November 2025 when it will be 0.53 AU (79 million km; 49 million mi) from the Sun. This perihelion passage will reduce the orbital period to about 1,150 years.
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Brand |
SVBONY |
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Model |
SV260 |
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Name |
Multi-Broadband Filter |
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Size |
2-inch |
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Substrate Thickness |
2mm |
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Clear Aperture |
44mm |
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Wavelength Range |
300-1000nm |
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Blocking |
>OD4@350-400nm; >OD2@Hg 589nm; >OD2@Hg 435.8nm; >OD2@Na 589.6nm; >OD1@Hg 546.1nm; >OD2@Na.615.4nm; >OD3@Hg 577nm; >OD2@Na.616.1nm; >OD3@Hg 578.1nm; >OD4@720-1100nm |
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Peak Transmittance |
90% |
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Surface Quality |
60/40 |
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Surface Parallelism |
1/2λ |
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Thread |
M48x0.75 |
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Single Thread |
Yes |
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Net Weight |
12.5g / 0.44oz /0.027lb |
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Feature
- 1.5-band filter captures light across a broader spectrum; Accurately reproduces the true colors of celestial objects;
2.Multi-Broadband filter properly designed for starfield shooting and deep sky photography, enhance stars and celestial bodies details; making deep sky observations clearer;
3.Over 90% peak transmittance;reduces light loss, boasts an SII-OIII-SII band average transmittance of over 85%; Enhances contrast between the target object and the background;
4.300-1000nm wavelength working range; multi-bandpass filter effectively combats light pollution; providing a broader coverage area;
5.Max OD4 cut-off depth; astrophotography filters effectively block out unnecessary light; and provide stronger light pollution suppression.
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