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The SV199 comes into play for compact ADC equipment
The ADC basically consists of two rotatable prisms made of Bk7 glass. Prism produces some chromatic aberration, as opposed to atmospheric dispersion. Therefore, the ADC corrects this stimulating effect. The relative position of the prism can be freely adjusted with a small slide.
With a spirit level
There is a small spirit level at the top of the atmospheric dispersion corrector to better find the zero position of the ADC.
Ring scale
The ring scale can adjust the dispersion correction to reduce edge chromatic aberration and make detailed planetary photographs sharper.
2.25 degrees declination angle
The declination adjustment range of the double wedge prism is 4.5 degrees, so it can be adjusted more accurately.
Coaxial locking interface
The eyepiece and camera mounting interface use a coaxial locking setting mounting method to ensure the coaxiality.
SV199 Atmospheric Dispersion Corrector
FMC prism lens
Prism lenses adopt a double-sided coating process to reduce light loss and significantly increase the light transmittance of the ADC.
Package details:
1xSV199 1.25" Atmospheric Dispersion Corrector
1x User Manual
SV199 Atmospheric Dispersion Corrector - 1.25 inches connect eyepiece or camera
Richard Williams
Reviewed in the United States on March 13, 2023
This piece of crap started to fall apart before I even got a chance to use it!!!! If you know what's good for you, you'll go with a different brand. I still have not even received my replacement as of this date and I sent the other one back on the same day as I received it. I have a terrible feeling I should have gone with a different brand instead of trying to save a few bucks by purchasing this SVBONY crap. I have never had a good product of theirs. So far it's been 7 weeks and still I don't have the new one. It's like they are purposely not sending it because I sent one back for replacement. I can't say for sure but they sent the first one out right away so why not the replacement? It's not often I give as bad review but this one deserved it.
Daniel Paulino
Reviewed in the United States on July 25, 2022
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