Field Flattener for Refractor Telescopes with Focal Ratio of f/5 to f7 for Astrophotography
Product ID: 537441050
🌌Minimizes star distortion
🔭Optimized for f/5 to f/7 refractors
🛠️Secure T-ring camera attachment
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🌠 Capture the cosmos in perfect focus — don’t let your stars blur out!
The Explore Scientific Field Flattener is a precision optical accessory designed for refractor telescopes with focal ratios between f/5 and f/7. It corrects field curvature to deliver sharp, distortion-free star images across the entire frame, making it ideal for serious astrophotographers. Featuring fully multi-coated optics and a secure T-ring camera mount, it ensures maximum light transmission and easy integration with your imaging setup. Supported by US-based customer service, this field flattener is a must-have for capturing breathtaking celestial photos.
| ASIN | B0BTMVPT3T |
| Additional Features | Designed for specific focal ratios and camera sensor spacing for astrophotography with refractor telescopes |
| Best Sellers Rank | #342 in Telescope Photo Adapters |
| Brand | Explore Scientific |
| Coating | Fully Multi-Coated |
| Compatible Devices | DAR1020765-01, DAR127065-02, DAR152065-01, ES-ED0806-02, ES-ED10207-02, FCD100-0806-01, FCD100-10207-02 |
| Customer Reviews | 4.7 out of 5 stars 11 Reviews |
| Eye Piece Lens Description | Fully multi-coated refractor optical design |
| Field Of View | 1.86 degrees |
| Finderscope | Reflex |
| Focal Length Description | The focal length remains unchanged |
| Focus Type | Manual Focus |
| Item Dimensions D x W x H | 2"D x 2"W x 4"H |
| Manufacturer | Explore Scientific |
| Manufacturer Part Number | ES-FF2F5/F7 |
| Model Name | FFEDAPO-01 |
| Model Number | ES-FF2F5/F7 |
| Mount | Refracting telescope mount, compatible with f/5 to f/7 refractors |
| Product Dimensions | 2"D x 2"W x 4"H |
| Telescope Mount Description | Refracting telescope mount, compatible with f/5 to f/7 refractors |
| UPC | 811803034297 |
| Unit Count | 1 Count |
| Warranty Description | Limited USA One Year Warranty when product is registered within 60 days of purchase. |
E**Z
Works flawlessly
It feels really well built, and seems to work as advertised. I'm yet to use it in a long session, but I've taken some test pictures through my F/6.5 refractor, and I get round stars across the entire field of view, at least on an APS-C sensor. I'm quite happy with it!
B**B
Explore Scientific Field Flattener for Refractor Scope
Explore Scientific Field Flattener is Fabulous This is one of several purchased from Amazon. The work extremely well with my telescopes and cameras in flattening the image plane of my cameras. Highly recommended in f:5-f:7 systems as advertised!
P**K
Well built and easy to use
Provides a nice flat field for my svbony 102mm scope. I wanted this because the flattener they provide is also a reducer. I have both and use them both for their specific situations. Other than the field of view, there is no discernible difference between the performance of this and the flattener designed specifically for the f7 scope.
Trustpilot
1 day ago
1 week ago