Svbony SV193 2 0,8x Focal Reducer / Flattener for SV503 ED Refractor 70 mm (SKU: W9152A) other opinie

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The SVBONY 0.8x SV193 reducer and flattener is a dedicated accessory for the SVBONY SV503 ED 70 mm telescope. It guarantees an excellent correction of the field and shortening of the focal length, which is very desirable in astrophotography, allows to widen the field of view of the optical instrument.

This reducer reduces the focal length by a factor of 0.8x, which in the case of the SVBONY SV503 ED 70 mm astrograph gives a value of 336 mm at f/4.8. Such parameters allow not only to take breathtaking photos in a wide field of view, but above all significantly shorten the exposure time. To ensure the highest image quality with high contrast and detail, all lenses of the reducer are covered with a full multilayer coating (FMC).

The optical system of the reducer has been closed in a durable housing made of aluminum protected by the hard anodizing technique.

The most important features of the SVBONY 0.8x SV193 reducer

• a two-inch focal reducer dedicated to the SVBONY SV503 ED 70 mm telescope
• 0.8x factor giving an effective focal length of 336mm at f/4.8
• fully multi-coated optics
• 55mm back focus

Technical parameters

• lens arrangement: 3 elements in 2 groups
• multiplicity: 0.8x
• compatibility: SVBONY SV503 ED 70 mm
• focal length without reducer: 420 mm
• focal length with reducer: 336 mm
• light without reducer: f/6
• Reducer lights: f/4.8
• rear thread (camera side): M48x0.75
• mounting on the side of the telescope: M54x0.75
• coating type: full multilayer coating (FMC)
• back focus: 55mm
• weight: 273g

Set elements

• reducer / flattener SVBONY 0.8x SV193 for SVBONY SV503 ED 70 mm

Guarantee

12 months