Cloud Break Optics

Plössl 43° 1.25" Eyepiece | 40mm

Plössl 43° 1.25" Eyepiece | 40mm - Main image
$123.2 $176 In stock

Category: Eyepieces

Description

In the 1¼" series TeleVue included a long eye-relief 40mm focal length in the series with a 43° apparent field. Like the 55mm, its focal plane is at the barrel edge for maximum field in the 1¼" format.

Since the Plössls were introduced in 1980, they have won praise and patents, including a patent in Japan. Tele Vue Plössls, designed by Al Nagler, have been a recognized benchmark of performance and value in the class of 50° apparent field of view eyepieces. While the Plössls may be the least expensive TeleVue eyepiece line, they still enjoy the same care and attention to detail as the most expensive. While it's easy for other manufacturers to vie for the lowest price, Tele Vue continues to believe that quality, performance and consistency will ultimately reward you with the most value for your dollar.

Diffraction limited "on-axis" performance is a given. Using more expensive high-index glasses to reduce astigmatism and lateral color at the field's edge, Tele Vue Plössls deliver sharper images than any other brand of 4 or 5 element "Plössls" or Orthoscopic designs. The faster the focal ratio of your telescope, the greater your visual reward for using Tele Vue eyepieces. Tele Vue Plössls feature full multicoatings for greatest light transmission and contrast. Blackened lens edges and internal anti-reflection threads tweak the last bit of contrast for maximum image detail. The sharper field focuses faint star light into perceptible points and allows those with undriven mounts to gaze longer before repositioning the image.

Specifications

40-mm
Model # EPL-40.0
Focal Length (mm) 40
Barrel Size (in.) 1¼"
Apparent Field of View (deg.) 43
Eye Relief (mm) 28
Weight (lb / oz) 0.41 / 6.6
Field Stop (mm) 27
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Customer Reviews (5.0 / 5 · 5 reviews)

Abigail Z. ★★★★★

The eye relief on this 40mm is generous enough that I don't have to press my glasses against the lens to see the full field. It pulls in wide, sweeping views of the Milky Way that make my older eyepieces feel claustrophobic.

Miles ★★★★★

I've been using this 40mm eyepiece for a few weeks now, and the long eye relief is a game-changer for my glasses—no more smudging the lens. The 43° apparent field feels surprisingly wide for a 1.25" barrel, and it makes scanning the Milky Way a real treat. It's become my go-to for low-power views.

Ryan ★★★★★

The 40mm focal length gives me such wide, sweeping views of the Milky Way—it’s like looking through a porthole. The long eye relief is a blessing for my glasses, letting me take in the whole 43° field without squinting.