William Optics v3 RedCat 51 WIFD

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About this product

NEW updated RedCat v3 51mm f/4.9 Petzval refractor with internal WIFD focuser and synthetic fluoride (FPL53 and FPL51) glass elements for a full-frame, flat field image.

This latest version of the Redcat 51 features the same tried-and-tested optics as previous versions, so it provides high-resolution images when used for astrophotography or wildlife photography. 

Its fast f/4.9 focal ratio and compact size make it ideal for convenient wide-field astrophotography, and the WIFD (William Optics Internal Focuser Design) is integrated inside the main tube assembly, so no focuser drawtube movement is visible from the outside. 

One of the most significant benefits of the WIFD is that you can add several heavy accessories to your imaging train, such as a large filter wheel or rotator, without worrying about sag from the telescope focuser drawtube and the resultant tilt of the sensor with reference to the optical axis.

Further improvements include out-of-the-box compatibility with the ZWO EAF Auto Focuser.

Also included is a built-in Filter Drawer for 2" Filters and a Tilt Adapter.

What's in the box

• Dust cover with Bahtinov mask
• Dew shield
• Main tube
• Saddle handle bar
• Camera angle rotation device
• Tilt adapter (inside)
• 210mm Vixen-style dovetail plate
• Soft carry case

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