Excellent eyepiece for alighnment use - Meade Series 4000 Plossl 9mm Illuminated Reticle Eyepiece (1.25") With Cord 07067

This eyepiece is really best for alignment purposes. The image is dim and eye position is critical. This is expected due to the short focal length. However, it's advantages outweigh these factors. The double cross hair and ring are etched on glass and illuminated from the side with an externally powered 12V source. The position is adjustable with an X-Y screw arrangement working against a spring loaded plunger on the opposite diagonal. This leaves the center of the image open for exact alignment. The cross hair image has it's own focus adjustment. This is a far better scheme than the standard crossed wires mounted at the focal plane.
Pros: Two line crosshair with X-Y adjustment
Cons: Dim image due to short focal length

This review was written in the old system and had content requirements that are different than reviews written today.