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Look down into the eyepiece when your telescope is aimed high, instead of lining up behind the tube.
✅ Observe from a more convenient angle - The diagonal turns the viewing path through 90°.
✅ Swap compatible accessories at the eyepiece - The 1.25-inch fitting uses a brass compression ring and locking screw. The threaded connection accepts compatible filters.
Product details
SV188P 1.25-inch dielectric mirror diagonal. Listed reflectivity 99%, optical path 54 mm, weight 125 g and 28.5 × 0.6 filter thread. Anodized aluminum-alloy body.









Check your focuser and eyepiece size before choosing the diagonal.
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SVBONY SV188P 1.25" 90° Dielectric Mirror Diagonal
Sale price€83,96
Regular price€150,86