Astronomik CLS CCD Light Pollution Filter Clip-in EOS APS-C (Pre-owned) type_mounting_rings The top of the filter

The top of the filter will have the manufacturer name "OPTOLONG" etched on it

Wire Reticle Body Color: Blue

Objective Type: Triplet Air-Spaced APO (Two Extra-Low Dispersion ED Glass)

Model: 511EQ

Dovetail Compatibility: Quick Release Tube Clamp

Astronomik CLS CCD Light Pollution Filter Clip-in EOS APS-C (Pre-owned) type_mounting_rings The top of the filterUsed filter in good condition. Description Astronomik CLS CCD filters are suitable under light polluted skies for DSLR Cameras which have been modified for astronomical use. For unmodified DSLRs, use Astronomik CLS filters. The filter enhances the contrast between all deep sky objects and the background. The CLS CCD Filter enhances the contrast between astronomical objects and the background. Due to the wider transmission curve compared to UHC