SVBNOY SV503 102F7 ED Extra Low Dispersion Achromatic Refractor OTA Micro-reduction RAP Focuser for Astrophotography
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2" SV503 102F7 ED Doublet Refractor Telescope

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SKU: F9359D

Regular price US$ 569.99

2021 New Product!

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Product Name SVBONY SV503 102F7 ED Astronomy Telescope
Type Refractor
ED Glass S-FPL51
Coating SMC
Aperture 102mm / 4.01-Inch
Focal length 714mm
Focal Ratio f/7
Type of Focuser RAP (Rack and Pinion)
Gear Reduction
1:10 Fine movement
Resolving capacity 1.17"
Limit value 12.1
Light gathering capacity 212x
Max. Useful magnification 204x
Tube weight 5.5kg
Tube outer diameter 121mm
Tube material Aluminum
Back Focus Length 101.9mm
OTA Length 630mm
Dovetail & Ring Yes
Dovetail Length 200mm

1. The appearance of the telescope is baked with high-end fine-grained paint, with exquisite appearance and delicate feel

2. The objective lens features an S-FPL51 extra-low dispersion glass ED element, which eliminates chromatic aberration. This results in the best color correction for an ED doublet lens

3. The lens adopts optical processing and low polishing technology, which is carefully carved

4. The deceleration ratio of the two-speed 2'' toothed focusing seat is 1:10, which makes it easy to achieve accurate focus

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