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SVBONY SV193 Focal Reducer and Field Flattener, M54x0.75 Telescope Accessory, 0.8X Photo Reducer Flattener, for SV503 70mm F6 ED Refractors

5.0 5.0 out of 5 stars 1 rating

$169.99
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Purchase options and add-ons

  • After using SV193 focal reducer and field flattener; the starry sky can be more expansive and the star points thinner; and the signal-to-noise ratio is better under the same exposure amount
  • 3 Elements 3 Groups; SV193 focal reducer and field flattener can take dazzling celestial photos without worrying about the distortion of the star points on the edge of the photo
  • Standard size; The front end is a M54x0.75 socket to connect to the main lens; and the back end is M48x0.75 threaded to connect to the camera bayonet (Support Full Frame Camera)
  • SV193 focal reducer and field flattener uses M54x0.75 thread; and the 2 inch connector after the CAA needs to be removed when in use; The connection between the port and the telescope is more stable
  • Fully Multi-coated optics housed in a high polish; and hard anodize finished aluminum body to help reduce weight

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Product details

  • Package Dimensions ‏ : ‎ 12 x 9 x 9 cm; 470 Grams
  • Date First Available ‏ : ‎ 26 June 2021
  • Manufacturer ‏ : ‎ Svbony
  • ASIN ‏ : ‎ B097ZLY5KH
  • Item Model Number ‏ : ‎ FAUW9152A
  • Customer Reviews:
    5.0 5.0 out of 5 stars 1 rating

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Product Description

4

SVBONY SV193 M54x0.75 0.8x focal reducer and field flattener for refractor telescopes.

When combined with SV503 70 f6 ED, the focal ratio is shortened from f/6 to f/4.8. After the focus is reduced, the starry sky can be captured wider, the star points are finer, and the signal-to-noise ratio is better under the same exposure.

The default back-intercept is 55mm. Using the 360°field rotator at the end of the focusing tube (sold separately), you can meet your composition requirements without turning the main lens, and it can also meet the use of filter wheel/OAG/astronomical camera at the same time.

Package Includes:

1X SVBONY SV193 0.8x Photo Reducer Flattener

2X Rubber Dust Cover

1

FMC Lens Coating

FMC (Fully multi-coated ) lens gets much more light transmission, helps getting greater magnification with a brighter and clearer field of view.

1

All metal construction

All metal construction and anodizing aluminium process, durable for long time use.

2

1

1

1

Specification:

Backfocus: 55mm
Barrel Size: M54x0.75
Threads Standard: M48*0.75
Lens Structure: 3-Elements/3Groups
Lens Coating: FMC
Blackened Lens Edges: Yes
Net Weight: 273g / 9.63oz / 0.6lb

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