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we recommend the B1800 blocking filter or the B3400 blocking filter if you will be using a full-frame camera
Vixen style Universal Dovetail
Two sets of 10x and 20x eyepieces
comfortable Lid Latches: Two
Another great benefit of these eyepieces is the excellent contrast and ease with which you can gaze
Founder Optics 3 mm LER Alien 1.25" Eyepiece - A-LER-3 spo-disabled we recommend the B1800 blockingAlien 3 mm Long Eye Relief Eyepiece Wow, Alien eyepieces are out of this world! With a very comfortable 20 mm of eye relief across the series, Alien eyepieces are a joy to view through; even high magnification focal lengths like this 3 mm. The 3 mm Alien eyepiece is parfocal with all other eyepieces in the Alien line, which means you will not need to re focus when you change eyepieces for a different magnification. The cool looking eyepiece body is
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