Reducer/Flattener 0.9x SKYWATCHER for...

Reducer/Flattener 0.9x SKYWATCHER for EVOLUX 82ED

Reducer/Flattener 0.9x SKYWATCHER for EVOLUX 82ED

Name: Reducer/Flattener 0.9x SKYWATCHER for EVOLUX 82ED
Brand: Skywatcher
SKU: SKWSW0472
Price: 218.97 EUR
Availability: PreOrder

Reference SKWSW0472

Stock at Supplier

218.97 243.80 -24.83

VAT excluded Shipping 5/7d

Two-element design incorporating an ED element. It reduces the standard focal length of the Evolux-82ED by a factor of 0.9x and provides the highest quality edge-of-field correction. The flattener/reducer illuminates a full-frame format and provides accurate stellar images in a 36mm image circle.

Order it before 3 hours and 4 minutes and receive it between on Friday, 6 December and Friday, 13 December with Home delivery - International

Delivery Options

Carrier		Description	Estimated Delivery
	Home delivery - International	Home delivery - International	Friday, 6 December - Friday, 13 December

Home delivery - International

Estimated delivery:
Friday, 6 December - Friday, 13 December

✖

Description
Product Details

0.9x SKYWATCHER Reducer/Flattener for EVOLUX 82ED

Two-element design incorporating an ED element. Reduces the standard focal length of the Evolux-82ED by a factor of 0.9x and provides the highest quality edge-of-field correction.

The flattener/reducer illuminates a full-frame format and provides accurate stellar images in a 36mm image circle.

Provides a focal length of 477mm and f/5.8. Field of view 4.34°.

Rear focus 55mm. Multi-coated. Supplied with adapter/field rotor. Filter thread inside the adapter to mount 2" filters. Thread M56x1 female / M48 male.

Can be used in conjunction with Canon or Nikon M48 T-ring adapters.

This accessory is necessary because refractors provide a curved focal plane, as stars are not point-like near the edges in the image. It provides an image corrected to the edge of the field. A specific adapter will allow you to attach the reducer/corrector to your telescope's eyepiece holder, it is rotatable to optimize your framing and accepts 50.8mm filters. Optimized for the Sky-Watcher Evolux 82ED f/6.46 (Doublet), this screw-in reducer/corrector reduces the focal length of the scope by a factor of 0.9x (f/5.82 induced focal ratio - apparent field 4.34°).

The use of a focal reducer in astrophotography also reduces exposure time. It will be necessary to use a dedicated M48 wide field T-ring for your camera, available for Sony (#SKWSW0187), Nikon (#SKWSW0188) or Canon (#SKWSW0189).

Technical specifications of the Sky-Watcher 0.9x reducer/flattener for 82ED:

M56 female thread on telescope side
M48 male thread on camera side
Corrected image circle size 36mm
Backfocus: 55mm from the M48 thread

If you have any questions about the configuration to obtain the optimum backfocus please do not hesitate to contact us by email and we will help you to achieve the optimum optical performance of your configuration.

SKYWATCHER 0.9x reducer/flattener for EVOLUX 82ED

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