This is a good eyepiece, contrast, brightness, flat to edge, etc. It is, I think, overpriced for what it is.
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Celestron Ultima Edge 15mm Flat Field Eyepiece - 1.25”
See the whole picture with Ultima Edge. This flat field eyepiece was designed to provide an ultra-sharp, ultra-clear, crisp image from the center all the way to the edge of the field of view.
FEATURES AND BENEFITS
65° field of view, crisp from center to edge
Ultima Edge’s wide, 65° apparent field of view allows you to see larger swaths of the night sky. And while some eyepieces suffer from poor image quality at the edges, Ultima Edge’s flat field design keeps the entire field sharp.
Excellent light transmission
When more light travels through an eyepiece’s optical path, the image you see is brighter and more detailed. Ultima Edge features fully multi-coated optics and an 8-element lens design to maximize light transmission.
Convenient parfocal design
Spend more time observing and less time focusing! When you buy more than one Ultima Edge eyepiece,* you can switch between them without refocusing.
*24mm eyepiece is not parfocal.
Compatible with 1.25” focusers & accessories
This eyepiece works with 1.25” diagonals and focusers and the mounting barrel is internally threaded to accept standard 1.25” filters and adapters.
Eyeglass-friendly
Generous 16mm eye relief makes Ultima Edge easy to use for eyeglass wearers. To view through the eyepiece with your glasses on, simply fold down the rubber eyeguard to ensure the proper positioning of the eyes.
Quality aluminum housing
The eyepiece’s main housing is machined from high grade aluminum with a black anodized surface that minimizes internal reflections and blocks out stray light.
Molded rubber grip ring
The molded rubber grip ring allows for non-slip handling, even if you have gloves on.
ULTIMA EDGE 15mm- Flat Field Eyepiece- 1.25”
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ULTIMA EDGE 10mm- Flat Field Eyepiece- 1.25”
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ULTIMA EDGE 18mm- Flat Field Eyepiece- 1.25”
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ULTIMA EDGE 24mm- Flat Field Eyepiece- 1.25”
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ULTIMA EDGE 30mm-Flat Field Eyepiece- 2.0”
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| Customer Reviews |
23
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45
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9
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23
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23
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| Barrel Size (DIA): | 1.25” (31.75mm) | 1.25” (31.75mm) | 1.25” (31.75mm) | 1.25” (31.75mm) | 2.0” (50.8mm) |
| Focal Length: | 15mm (.60”) | 10mm (.39”) | 18mm (.71”) | 24mm (.94”) | 30mm (1.18”) |
| Apparent Field of View: | 65° | 60° | 65° | 65° | 70° |
| Number of Lens Elements: | 8 | 5 | 8 | 8 | 9 |
| Optical Coatings: | Fully Multi Coated | Fully Multi Coated | Fully Multi Coated | Fully Multi Coated | Fully Multi Coated |
| Eye Relief: | 16mm (.63”) | 16mm (.63”) | 20mm (.78”) | 29mm (1.14”) | 22mm (.87”) |
| Parfocal Eyepieces: | Yes | Yes | Yes | No | Yes |
| Filter Threads: | 1.25” (M28.5X0.6) | 1.25” (M28.5X0.6) | 1.25” (M28.5X0.6) | 1.25” (M28.5X0.6) | 2.0” (M48.5X0.6-6H) |
| Eye Guard: | Yes- Roll Up | Yes- Roll Up | Yes- Roll Up | Yes- Roll Up | Yes- Fold Down |
| Weights/Dimensions: | 5.185oz. (147 g) | 70mm X 45mm ( 2.75” X 1.77”) DIA | 2.82oz. (80g) | 58mm X 36.5mm (2.28” X 1.44”) DIA | 7.40 oz. (209.7 g) | 81mm X 51mm (3.19” X 2.0”) DIA | 12.32 oz. (349.3 g) | 104mm X 60mm (4.1” X 2.36”) DIA | 23.8 oz. (674.7 g) | 116mm X 60mm (4.57” X 2.36”) DIA |
Product information
| Product Dimensions | 3.5 x 2.2 x 2 inches |
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| Item Weight | 2.82 ounces |
| ASIN | B08N5F5VKL |
| Item model number | 93451-CGL |
| Customer Reviews |
4.2 out of 5 stars |
| Best Sellers Rank |
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| Date First Available | November 10, 2020 |
| Manufacturer | Celestron |
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- Reviewed in the United States on February 5, 2024
