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Explore Scientific 3" Field Flattener .7x Focal Reducer - FFFR507X-00

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Explore Scientific 3" Field Flattener .7x Focal Reducer - FFFR507X-00

Price 479.99 SKU FFFR507X-00 BARCODE 812257014408 Explore Scientific 3" Field Flattener .7x Focal Reducer - FFFR507X-00

Features and Benefits

  • Brighter, crisp images
  • Wider field of view
  • Can be added to a 2' rack and pion focuser

Explore Scientific’s 3-inch Field Flattener/0.7x Focal Reducer- FFFR507X-00 is a multi-faceted accessory designed to enhance your astrophotography experiences. As a field flattener, this piece addresses the edge-of-field aberrations caused by curved focal planes to ensure your night at the eyepiece will result in crisp, true images.

As a focal reducer, this device will reduce your f-ratio by 0.7, which results in a wider field of view, brighter images and less exposure time. Recommended for our 127mm and 152mm refracting telescopes (excluding our doublet refractors), this field flattener/focal reducer boasts fully multi-coated optics.

This item comes with a threaded adapter that threads onto the Explore Scientific 2-inch rack-and-pinion focuser. Threaded attachment to a 2.5-hex focuser, which comes stock on our 127mm APO telescopes, requires purchase of an additional adapter. 

The field flattener/focal reducer offers 55 mm of back focus from the rear face of the device. The M42x0.75 adapter adds 3 mm, so the sensor needs to be 52 mm from the face of the adapter.

To connect to the 2.5 hex focuser, purchase item number 510366.

While technically this was designed for the f/8 system, through user experiences and our subsequent testing we have concluded that our 3-inch field flattener/reducer performs very well with our f/7.5 refractors.

Specifications

Item Number FFFR507X-00
Weight 1.4lb; .64kg
Diameter 78.3mm
Height 90.1mm

 

Shipping This item ships to
Delivery Estimated between and . Will usually ship within 1 business day. Except Saturday and Sunday

   

Please allow 10 days for your order to arrive. We source products from all over the world to bring you epic offers and the lowest prices. This means sometimes you have to wait a little longer to get your order but it's always worth it!

Returns are easy, simply contact us for a returns number and send your item to our returns center for fast processing. We'll get you a replacement or refund in a snap!

Here are 4 more great reasons to buy from us:

Returns are easy, simply contact us for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap!

In the unlikely event that you find your item cheaper at another online store, just let us know and we'll beat the competitor's pricing hands-down.

We insist that you love everything you buy from us. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again.

Ordering from CoreScientifics is 100% safe and secure so you can rest easy. Your personal details are never shared, sold or rented to anyone either.

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Description

Explore Scientific 3" Field Flattener .7x Focal Reducer - FFFR507X-00

Price 479.99 SKU FFFR507X-00 BARCODE 812257014408 Explore Scientific 3" Field Flattener .7x Focal Reducer - FFFR507X-00

Features and Benefits

  • Brighter, crisp images
  • Wider field of view
  • Can be added to a 2' rack and pion focuser

Explore Scientific’s 3-inch Field Flattener/0.7x Focal Reducer- FFFR507X-00 is a multi-faceted accessory designed to enhance your astrophotography experiences. As a field flattener, this piece addresses the edge-of-field aberrations caused by curved focal planes to ensure your night at the eyepiece will result in crisp, true images.

As a focal reducer, this device will reduce your f-ratio by 0.7, which results in a wider field of view, brighter images and less exposure time. Recommended for our 127mm and 152mm refracting telescopes (excluding our doublet refractors), this field flattener/focal reducer boasts fully multi-coated optics.

This item comes with a threaded adapter that threads onto the Explore Scientific 2-inch rack-and-pinion focuser. Threaded attachment to a 2.5-hex focuser, which comes stock on our 127mm APO telescopes, requires purchase of an additional adapter. 

The field flattener/focal reducer offers 55 mm of back focus from the rear face of the device. The M42x0.75 adapter adds 3 mm, so the sensor needs to be 52 mm from the face of the adapter.

To connect to the 2.5 hex focuser, purchase item number 510366.

While technically this was designed for the f/8 system, through user experiences and our subsequent testing we have concluded that our 3-inch field flattener/reducer performs very well with our f/7.5 refractors.

Specifications

Item Number FFFR507X-00
Weight 1.4lb; .64kg
Diameter 78.3mm
Height 90.1mm

 

Estimated Arrival

Shipping This item ships to
Delivery Estimated between and . Will usually ship within 1 business day. Except Saturday and Sunday

Shipping and Delivery

   

Please allow 10 days for your order to arrive. We source products from all over the world to bring you epic offers and the lowest prices. This means sometimes you have to wait a little longer to get your order but it's always worth it!

Returns are easy, simply contact us for a returns number and send your item to our returns center for fast processing. We'll get you a replacement or refund in a snap!

Why Buy From Us

Here are 4 more great reasons to buy from us:

Returns are easy, simply contact us for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap!

In the unlikely event that you find your item cheaper at another online store, just let us know and we'll beat the competitor's pricing hands-down.

We insist that you love everything you buy from us. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again.

Ordering from CoreScientifics is 100% safe and secure so you can rest easy. Your personal details are never shared, sold or rented to anyone either.

Reviews

Explore Scientific 3

Explore Scientific 3" Field Flattener .7x Focal Reducer - FFFR507X-00

$479.99
Add to wishlist
Explore Scientific 3

Explore Scientific 3" Field Flattener .7x Focal Reducer - FFFR507X-00

Your Price:
$479.99
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