Cloud Break Optics

Ultima Edge 1.25"Flat Field Eyepiece - 15mm (93451)

Ultima Edge 1.25"Flat Field Eyepiece - 15mm (93451) - Main image
$115.16 $159.95 In stock

Category: Eyepieces

Overview

  • 15mm parfocal Ultra Flat Field eyepiece designed for 1.25" focusers
  • Incredibly crisp views from center to edge of field
  • Fully multi-coated, 8-element lens design for excellent light transmission
  • Wide 65° apparent field of view allows you to see more of the night sky
  • Generous 16mm eye relief and fold-down rubber eyeguard for comfortable viewing with or without eyeglasses
  • Molded rubber grip ring for non-slip handling

Descriptions

See the whole picture with Ultima Edge. These flat-field eyepieces were designed to provide an ultra-sharp, ultra-clear, crisp image from the center all the way to the edge of the field of view. The 15mm Ultima Edge eyepiece features fully multi-coated optics and an 8- element lens design, maximizing light transmission.

The Ultima Edge 15mm has a generous 65° field of view perfect for viewing planets, stars and the Moon's surface. This eyepiece provides higher-powered magnification, perfect for those times when you want to get up close to smaller objects.

Body

The 15mm Ultima Edge eyepiece's main housing is machined from high grade aluminum with a black anodized outer surface.

Its 1.25" mounting barrel is internally threaded to accept threaded to accept standard 1.25" filters and adapters. It is compatible with 1.25" star diagonals and focusers. On the exterior of the eyepiece, you will find a uniquely designed, molded rubber grip ring for non-slip handling during observing sessions.

Viewing through the 15mm Ultima Edge eyepiece is comfortable for both eyeglass wearers and non-eyeglass wearers alike, thanks to the rubber eyecups and long eye relief of 16mm.

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 thanks to theirparfocaldesign. With a set of Ultima Edge eyepieces in your kit, you'll be able to enjoy a wide range of high and low power views—and switch between them quickly and easily. That means you can get more out of every observing session.


Specifications

Barrel Size Diameter: 1.25" (31.75mm)
Focal Length: 15mm (.60")
Field Stop Diameter: 19.6mm (.77")
Apparent Field of View: 65°
Optical Design: Proprietary
Number of Lens Elements: 8
Number of Lens Groups: 5
Optical Coatings: Fully Multi Coated
Eye Relief: 16mm (.63")
Parfocal: Yes
Filter Threads: 1.25" (M28.5X0.6)
Eye Guard: Yes- roll up
Body Material: Aluminum
Weight: 5.18 oz (147 g)
Dimensions: 70mm x 45mm x 45mm (2.75" x 1.77" x 1.77")
California Residents View Proposition 65 Warning
Before you pay

Check the method and total at checkout.

When it ships

Allow for processing time as well as the journey to you.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy
If you need a refund

Keep your order number and contact the store to start.

Please contact us for the refund processing timeframe before returning an item.

View policy
Delivery costs

Review the cost for your destination and chosen service.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy
Returning an item

Check the return conditions before sending anything back.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

View policy

Customer Reviews (4.8 / 5 · 5 reviews)

Brian S. ★★★★★

Finally an eyepiece where the stars stay pin-sharp all the way to the edge, not just the center. The multi-coatings really do pull in every bit of light, making faint fuzzies pop. This is the one that stays in my focuser.

John ★★★★★

I was worried about eye relief with my glasses, but the generous eye cup and 8-element design make for comfortable, crisp views across the whole field. Works perfectly with my telescope for planetary observation.

Andrew ★★★★★

The edge-to-edge sharpness on this 15mm is genuinely impressive—even Jupiter stays crisp as it drifts across the field. The 8-element glass pulls in more light than my old eyepiece, so faint clusters pop without cranking the brightness up.