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Manufacturer: ANTLIA
Product number: AHA31
EUR375.00new
EUR 375,00
incl. 19 % VAT (DE)
The VAT indicated refers to that applicable in Germany. After logging in, the VAT amount is adjusted to the applicable VAT of the stored delivery country. Therefore, the final price may vary accordingly.
excl. 6.95 € shipping costs (DE)
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rating: 4.5 of 5Antlia H-Alpha Pro Filter - 3 nm Narrowband - 1.25 Inch mounted2
- Details..
- Technical data..
- In the box..
- Manufacturer infos..
- Safety informations..
Antlia narrowband filter with 3 nm bandwidth
Antlia nebula filters offer extreme contrast. Thus, the astrophotographer achieves a very good result even with considerable stray light from cities or from the moon. Antlia guarantees a transmission of at least 88% in the 1 nm range around the central passband. This makes the narrowband filters interesting also for fast telescopes and objectives. Even at an extreme focal ratio of f/3, there is only minimal transmission loss.The quality features of Antlia narrowband filters at a glance:
| Substrate: | Optical substrate from Schott |
| Filter thickness: | 2 mm |
| Cell: | metal cell with 1.25" filter thread |
| FWHM: | 3 nm |
| CWL: | 656.3 nm |
| Peak transmission: | min. 88% |
| Surface quality: | S/D (scratch/dig)= 60/40 (Refer to MIL-O-13830) |
| Surface accuracy: | Lambda/4 or better |
| Manufacturer / Importeur: | Teleskop-Service Ransburg GmbH |
| Street: | Von-Myra-Str. 8 |
| ZIP / City: | 85599 Parsdorf |
| Country: | Germany |
| Telefon number: | +49 89 99228750 |
| Email: | info@teleskop-service.de |
| Website: | www.teleskop-service.de |
Safety informations: PDF Download
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Reviews
Written by Robert Schuitema
on 2022-11-05
I bought this filter after doing some digging online and it seemed this filter had relatively good performances for its price.
Filter came in with some fingerprints and some dust on it, which I wasn´t very happy with. Fortunately, after some cleaning I saw there was no actual damage done to the filter that could possibly hurt imaging.
Tested it one a few nebulae ranging from 60-180 sec exposures on my refractor which included a number of bright stars and the little bit of halo´s I saw were very weak. Also no light leakage found yet.
Written by Tiago Ramos
on 2022-03-07
I bought this filter already thinking about buying the 533MM Pro. I tested it so far in B8/9 even with the 533MC Pro I was very satisfied with the result. Of course the Air Pro to make AP I used another filter. For me it is an excellent filter, I recommend it without a doubt.
