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Astronomy > Eyepieces > Explore Scientific > 52° LER > Explore Scientific Eyepiece 52° LER 20mm 1.25"
( 5 / 5 )
Product no.: 61716

Eyepiece 52° LER 20mm 1.25"

$ 83.00 incl. VAT plus shipping costs
short-term
ready for shipping in 1-2 weeks + lead time

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This product is available in the following variants:
Focal length (mm) Price
3 $ 83.00
10 $ 83.00
15 $ 83.00
20 $ 83.00
25 $ 83.00
30 $ 103.00
4,5 $ 83.00
40 $ 130.00
6,5 $ 72.00

Product description

These eyepieces are versatile flat field eyepieces with exceptionally high image definition, which is clearly noticeable when observing planets and the Moon.

Patented EMD tempering provides high contrast and prevents disruptive reflections. With a corrected apparent visual field of 52 degrees, these eyepieces are far superior to simpler Plössl eyepieces. Thanks to the argon gas filling, internal fogging is effectively prevented, and there is no need to worry about dust, lens fungus or cleaning fluids infiltrating. The eyepieces are fitted with a watertight seal. This guarantees many years of unquantifiable observation joy using these high-quality eyepieces.

The Explore Scientific 52° LER series stands for the highest level of comfort and quality, paired with an exceptional price-performance relationship.

Specifications

Capacity


Apparent field of view (°)
52
Coating of optical system
EMD multi-coating
Connection (to the telescope)
1,25"
Eye relief (mm)
15
Focal length (mm)
20

Special features


Homofocal
yes
Adjustable eyepiece cup
yes (folding)
inert gas charge
yes
Water-proof
yes
Filter thread
yes

Equipment


Carry case
yes

General


Series
52° LER
Type of build
Super-Plössl
Weight (g)
175
Length (mm)
76
Type
Eyepiece

Product safety

manufacturer: Bresser GmbH, Gutenbergstraße 2, 46414 Rhede, DE, www.bresser.de

Recommended accessories

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Omegon aluminium case, large

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Carry case

Oklop Carry case for accessories

$ 41.90*

*All prices include VAT plus shipping costs.

Explore Scientific Eyepiece 52° LER 20mm 1.25"
Explore Scientific Eyepiece 52° LER 20mm 1.25"

Customer reviews

20mm for use in f5 dob with binoviewer

Review by N. F. on 02.08.2024 11:58:28

( 5 / 5 )

I purchased two of the 20mm ES52 for use in an f5 dobsonian with a linear binoviewer. The views are sharp, contrasty and clear with good color and sharpness to edge of field. The eyepieces are very well made.

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