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Internal matting thread
Eliminates internal light scatter and improves image contrast
Brass compression ring
Firmly fixed the eyepiece in place without damaging the matching accessories
Dennis R Price
Reviewed in the United States on February 5, 2025
Compared 40mm plossl with barlow to my 25mm plossl. Very little difference in view quality. Pleased for the price. Very nice quality. No complaints.
Dennis R Price
Reviewed in the United States on February 5, 2025
Compared 40mm plossl with barlow to my 25mm plossl. Very little difference in view quality. Pleased for the price. Very nice quality. No complaints.
Randy Fosler
Reviewed in the United States on January 4, 2025
This Barlow has a good build quality and provides clear images when used with my telescopes and cameras.
Randy Fosler
Reviewed in the United States on January 4, 2025
This Barlow has a good build quality and provides clear images when used with my telescopes and cameras.
William E.
Reviewed in the United States on January 28, 2025
Easy to use and well made.
William E.
Reviewed in the United States on January 28, 2025
Easy to use and well made.
Justin W
Reviewed in the United States on July 30, 2024
I recently upgraded my eye pieces and got this Barlow lens to go with them and wow, what a difference it makes. This is a very nice Barlow, everything from the appearance, to the way it feels and most importantly the incredible image you receive I could not be happier with this purchase... definitely well worth the price and I will never use anything that comes with telescope now having this upgrade to go along with some new quality eye pieces... 5 stars for sure and I was considering getting the 3x Barlow that is around 50 dollars but I don't even know if I need that because this SV Bony 2x Barlow I think I paid 70 dollars for is so good I honestly would recommend getting this because I wasn't sure how much of a difference it could be but wow it's way better than I imagined and was worth the money and honestly I would have paid more if I knew it would be this good.
Justin W
Reviewed in the United States on July 30, 2024
I recently upgraded my eye pieces and got this Barlow lens to go with them and wow, what a difference it makes. This is a very nice Barlow, everything from the appearance, to the way it feels and most importantly the incredible image you receive I could not be happier with this purchase... definitely well worth the price and I will never use anything that comes with telescope now having this upgrade to go along with some new quality eye pieces... 5 stars for sure and I was considering getting the 3x Barlow that is around 50 dollars but I don't even know if I need that because this SV Bony 2x Barlow I think I paid 70 dollars for is so good I honestly would recommend getting this because I wasn't sure how much of a difference it could be but wow it's way better than I imagined and was worth the money and honestly I would have paid more if I knew it would be this good.
philip ornelas
Reviewed in the United States on September 1, 2023
I use this for my 130mm orion telescope and aberration is gone when viewing the moon. I haven't use it yet for deep space objects simply cause my goto mount is Alt-AZ but when I upgrade to a go Eq- mount I will be using this for sure.
philip ornelas
Reviewed in the United States on September 1, 2023
I use this for my 130mm orion telescope and aberration is gone when viewing the moon. I haven't use it yet for deep space objects simply cause my goto mount is Alt-AZ but when I upgrade to a go Eq- mount I will be using this for sure.
psienide k
Reviewed in the United States on November 25, 2023
This is actually a focal extender and not a barlow. I compared this with a ES 2X 2inch focal extender which is 7x the price and much heavier. While the ES version offers brighter views due to the larger aperture, the cost and weight doesn't justify it against this for planetary imaging. Great value and solid optics.
psienide k
Reviewed in the United States on November 25, 2023
This is actually a focal extender and not a barlow. I compared this with a ES 2X 2inch focal extender which is 7x the price and much heavier. While the ES version offers brighter views due to the larger aperture, the cost and weight doesn't justify it against this for planetary imaging. Great value and solid optics.
Q
Reviewed in the United States on November 22, 2023
Another finely well made Svbony lens. Like other reviewers have noted this Barlow lens is built very well and gives a nice clear image with no edge coloration like cheaper Barlows. I used it in our clubs 13 inch Dob, in fact that was the telescope I bought it for. For the first time I saw Jupiter's giant red spot using this Barlow and was witnessed by other club members. I have yet to try it on my 8 inch Mead but I am sure it will be as clear on my Mead as it is on the Dob. Last I would like to state that all my Svbony products have been outstanding 5 star products. Svbony is the first company I look for when buying lens equipment for my telescopes.
Q
Reviewed in the United States on November 22, 2023
Another finely well made Svbony lens. Like other reviewers have noted this Barlow lens is built very well and gives a nice clear image with no edge coloration like cheaper Barlows. I used it in our clubs 13 inch Dob, in fact that was the telescope I bought it for. For the first time I saw Jupiter's giant red spot using this Barlow and was witnessed by other club members. I have yet to try it on my 8 inch Mead but I am sure it will be as clear on my Mead as it is on the Dob. Last I would like to state that all my Svbony products have been outstanding 5 star products. Svbony is the first company I look for when buying lens equipment for my telescopes.
Abthony A
Reviewed in Canada on October 24, 2023
Very solid, super clean picture
Abthony A
Reviewed in Canada on October 24, 2023
Very solid, super clean picture
Ryan
Reviewed in the United States on October 10, 2023
Packaging was premium and once the Barlow is out of the casing, it felt very well made.First views were good with a Super 25 eyepiece and will test with more premium eyepieces in the future.
Ryan
Reviewed in the United States on October 10, 2023
Packaging was premium and once the Barlow is out of the casing, it felt very well made.First views were good with a Super 25 eyepiece and will test with more premium eyepieces in the future.
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