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Next Stargazing June 17th
Next Stargazing June 17th

Custom Scientific - Oxygen III (OIII) Filter - 1.25''

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SKU CS-O3125
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The narrow-bandpass OIII filter improves the view of emission and planetary nebulae. The filter works by blocking natural and artifical light pollution while transmitting the light emitted by nebulae. This increases the contrast and makes faint detail readily visible.