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Vixen NPL 50° Eyepiece 4mm (1.25") Plossl

by Vixen
SKU ES39201
Original price $0.00 - Original price $0.00
Original price $0.00
$46.99 - $46.99
Current price $46.99
In stock

Ships To: United States & Canada 🇺🇸 🇨🇦

✓ Free U.S. Shipping (on most orders over $150 USD)

✓ Price Match Available

✓ Authorized Dealer

✓ Bulk Order Discounts Available

✓ Questions? Call Us 1-800-860-3429

Ships In: 1-3 Business Days

Estimated Delivery Time: 3-7 Business Days

Shipping & Returns

We offer free U.S. shipping to the lower 48 States - on most orders over $150 USD. Some limitations apply.

Shipping fees will apply on most orders shipping across Canada, with some exceptions.

We offer a 30 Day Return Policy on most of the products that we carry.

For full details on our Shipping & Returns Policy, please click here.


The vast majority of products that we sell, with a few exceptions, are covered under Warranty.

To view the Warranty details for each brand that we sell, including products that do not qualify for Warranty, please visit here.

Vixen NPL 50° 4mm Eyepiece (1.25") Plossl - ES39201

The new NPL Series Eyepieces: 2-group, 4-element Plossl design offers flat and clear images with well-corrected chromatic aberration.

The NPL20, NPL25, NPL30 and NPL40 eyepieces employ twist-up eye-guards for viewing comfort.

These high-performance eyepieces with full multi-coating are offered at reasonable costs.



  • High-quality NPL eyepiece with 50° field of vision
  • Good contrast and reduced color aberrations
  • Eye relief: 2.3 mm
  • Connection: 31.7 mm, 1 1/4''
  • Weight: 70 g

What's Included:

✓ Vixen NPL 50° Eyepiece 4mm (1.25") Plossl

✓ Vixen Electronic Parts: Limited 1 Year Warranty

✓ Vixen Mechanical Parts: Limited 2 Year Warranty


Apparent field of view 50 degrees
Eyepiece Barrel Diameter 31.7 mm
Eyecups  Twist-Up Eyecups
Eye relief 2.3 mm
Net weight (without access.) 70 g



Customer Reviews

Based on 1 review
A real eyepiece!

Crisp and bright images. So much better than the old 4mm that I've had for years.