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SVBONY SV503 80 F7 ED Telescope Bundle With SV193 Focal Reducer & SV182 6x30 Right-Angle Correct-Image Optical Finder Scope For Astronomy

SKU: F9359B-W9152B-W9141B
-11% US$ 529.99
List Price: US$ 599.99

SVBONY SV193 Focal Reducer 2 Inch 0.8X Field Flattener Telescope Accessory for SV503 80mm F7 ED Telescope. The objective lens of the OTA features an S FPL-51 extra-low dispersion glass ED element, which virtually eliminates chromatic aberration. This results in the best color correction for an ED doublet lens. The 0.8 times defocusing system shortens the exposure. It can meet the needs of astrophotographers who need sufficient exposure in a short time. With advanced refractor, it can take dazzling celestial photos without worrying about the distortion of the star points on the edge of the photo. SV182 Finder Scope with 90-degree viewing angle lets you view a more comfortable and convenient operation compared to a traditional straight-through viewing finder.  

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SV503 80F7 Telescope - SV193 Focal Reducer - SV182 6x30 Right-Angle Correct-Image Finder Scope

SV503 set.jpg

after matching of the usage of sv193.jpg

sv550 80 for visual observation.jpg

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Model SV550 Model SV182
Aperture 80mm Lens Diameter 30mm
Focal Length 480mm Focal Length 120mm
Focal Ratio f/6 Magnification 6x
ED Glass​ FPL51​ Eye Relief 15mm
Telescope Type Refractor Exit Pupil  5mm
Resolution 1.45 arc seconds Field of View 7.5°
Coatings  SMC Lens coating FMC
Limiting stellar magnitude 11.6 Image Orientation Correct-image
Lens design  Apochromatic​ Reticle Single crosshair
dovetail plate length 150-175mm Adjustment System Spring-loaded X-Y
barrel weight 2900g Objective  Achromatic 2-Element
mirror Brief Size  377.8mm IIIuminated No
Net weight​ 3750g Adjustable focus Yes 
Gross weight​ 3850g Viewing angle 90 Degree
Package size​ 440x220x210mm​ Net Weight 295g / 0.651b / 10.41oz
Model SV193
SKU W9152B
Back focus 55
Barrel size 2-inch
Threads Standard M48*0.75
Lens Structure 3-Elements/2Groups
Lens Coating FMC
Blackened Lens Edges Yes
Net Weight 164g / 5.78oz / 0.36lb


  1. High-quality Materials
    2. ED Objective Lens
    3. FMC Lens Coating
    4. SV193 Focal Reducer
    5. Standard 2-inch Socket
  2. 6. SV182 6x30 Right-Angle Correct-Image Optical Finder Scope

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