SKU: 64403880669

Explore Scientific Field Flattener f/5 to f/7

Sale price$107.99 Regular price$119.99
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Ships within 48 hours · Estimated delivery Jul 24 - Jul 29

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Description

Explore Scientific Field Flattener f/5 to f/7The Explore Scientific Field Flattener corrects field curvature for sharp, round stars across your entire imaging sensor. Refractor telescopes produce a curved focal plane, but camera sensors are flat without a field flattener, stars at the edges of your frame appear elongated or distorted. This fully multi coated flattener with 38mm clear aperture corrects that curvature without changing your telescope's focal length or f ratio. The 2" barrel and

The Explore Scientific Field Flattener corrects field curvature for sharp, round stars across your entire imaging sensor. Refractor telescopes produce a curved focal plane, but camera sensors are flat — without a field flattener, stars at the edges of your frame appear elongated or distorted. This fully multi-coated flattener with 38mm clear aperture corrects that curvature without changing your telescope's focal length or f/ratio.

The 2" barrel and M42x0.75 T-thread interface connect directly to your camera via a standard T-ring (sold separately). Back-focus distance is 55mm, matching the Explore Scientific corrector/reducer ecosystem for consistent spacing.

Note: This is an astrophotography accessory — it is not intended for visual use.


Key Features
  • Fully multi-coated optics with 38mm clear aperture
  • Corrects field curvature without changing focal length or f/ratio
  • 2" barrel with M42x0.75 (T-thread) camera interface
  • 55mm back-focus standard — consistent with the ES corrector/reducer ecosystem
  • Premium high-gloss anodized aluminum construction

Compatible Telescopes
  • ES Essential Series: ED80, ED102
  • ES FCD100 Series: 80mm, 102mm
  • ES DAR Series: DAR102, DAR127, DAR152

Compatible with a broader range of Explore Scientific refractors than the 0.8x Focal Reducer, including the larger 127mm and 152mm DAR models.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 64403880669

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4.6 ★★★★★
Based on 12 reviews
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Jennifer R.
Charlottesville, US
★★★★★ 5
The Perfect First Shoe! Worth the Price.
My little one was just starting the stand/learning to walk and we wanted something to protect his feet while we were out of the house. Since babies/toddlers grow out of their shoes so quickly, I tried desperately to find shoes that didn't cost more than $20. However, I tried about 6 different "cheaper" shoes, all different brands, and nothing would stay on my babies feet. I finally broke down and bought these shoes and they are perfect. I ended up wasting more money trying not to spend too much money on shoes that would be too small after a couple months. It would have been cheaper for me to just buy these shoes to start. Fit wise they are great. Super easy to put on. They stay on! I appreciate the rubber portion on the sole because it gave my little one more traction when he was learning to walk. They are light way and the sole is very flexible which is important for the proper development of their feet. I just wish they made larger sizes because I am going to have to start the hunt all over for the perfect shoe once he grows out of the biggest size that Robeez sells. Save yourself time and avoid wasting money on shoes that don't stay on. Just buy these shoes!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 28, 2023
E
Verified Purchase
Elle
Grantham, US
★★★★★ 5
Cute and STABLE
Size: 12-18 Months Toddler, Color: Navy Leather
This brand was recommended by a family member as being good for kids who are learning how to walk, and I definitely agree. My son had a different pair of shoes from Carter’s that fit well and looked cute, but the soles were a little too slick for an early walker despite having little rubberized dots on them. I like that these have more realistic soles, with real traction and support, but still allow the kid’s foot to flex. My son is very comfortable in them and was immediately noticeably more stable while standing and practicing walking in them. Bonus- they are super cute and this design is neutral enough to go with plenty of his clothes. My only small complaint is a little thread coming loose on one shoe, but so far it isn’t causing any issues/doesn’t seem to be unraveling anything structural. Highly recommend overall!
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Reviewed in the United States on May 13, 2022
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Verified Purchase
ChrissyD
Fort Morgan, US
★★★★★ 4
Great shoes!
Size: 18-24 Months Toddler, Color: Grey Leather
Love these shoes, only shoes I put my 15 month old in. However, they do run small. I bought 12-18 month size and my boy out grew them before 12 months old, I had to repurchase 18-24m to fit perfectly.
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Reviewed in the United States on November 8, 2025
E
Verified Purchase
Emily
Lowell, US
★★★★★ 5
The BEST toddler shoe!!
Size: 18-24 Months Toddler, Color: Brooks Grey Leather
These shoes are 100% worth every penny. They are super easy to get on and off due to the fact that the tongue pulls back fully and they are flexible yet sturdy. They are excellent quality and have maintained great condition with my busy toddler at the park. The wide toe box provides great comfort for my little one’s wide feet. Buy the shoes!!!
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Reviewed in the United States on September 4, 2025
J
Verified Purchase
Jacqueline
San Leandro, US
★★★★★ 1
Bummed they fell apart they are super cute
Size: 12-18 Months Toddler, Color: Raiden Camel Suede, Size: 12-18 Months Toddler, Color: Raiden Camel Suede
I’m so bummed because these shoes are so cute and highly rated but mine fell apart after only a few wears. They say light outdoor activities and I would assume they mean walking up and down the block in the neighborhood. My son is only 15 months old and doesn’t walk fast or far at all so it’s really disappointing they fell apart.
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Reviewed in the United States on February 1, 2026

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