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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
Note: The Big Barlow is not recommended for use with 2" diagonals because its length prevents it from being parfocal
"Using my Wide-Field design as a starting point
T-Ring for Pentax K SLR & DSLR Cameras
Includes 25mm and 10mm eyepieces
the Celestron Dielectric Star Diagonal
Tele Vue 6mm Delos 82° FOV Note: The Big Barlow isDescription Introducing Delos Tele Vue is pleased to introduce the Delos, mid to short focal length line of 20mm eye relief, 72 apparent field of view eyepieces. Every optical, mechanical, and ergonomic aspect was rethought to achieve reference standard performance for any visual application. The Delos was conceived as a narrower field Ethos. Reducing the field to 72 allowed freedom to increase eye relief, while controlling pupil aberrations, all
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