It is definitely worth including an eyepiece with a 1.25-inch barrel and the 13mm Nagler Type 6 is a really good one. There are plenty of quality telescopes out there with a 1.25-inch barrel that could benefit from this eyepiece.
This version of Nagler’s original 1980s masterpiece came out in the early 2000s to rave reviews. It is still very well loved in the astronomy world for its incorporation of the fine materials, sharp views and overall Tele Vue quality.
Tele Vue pioneered, and continues to make the most progress, in the realm of helping amateur astronomers feel that they are walking in space. With 82 degrees of practical perfection the 13mm Nagler Type 6 is still positioned to offer quite a bit of awe in its wake, regardless of its distinguished 100-degree eyepiece descendants, such as the Ethos .
This Nagler is designed using seven different optical elements made of various exotic materials. They are precisely positioned and then covered with multiple high-quality coatings to offer a high level of contrast and sharpness.
The Nagler will be able to offer you exceptional lunar and planetary views. It pairs well with both low and high power instruments.
The Nagler 6 has many features that will add to a great night of observing. It was designed with the goal of cutting out a lot of the heft of previous Naglers without sacrificing on image sharpness. The result is a relatively light and slender eyepiece that will not weigh your collection down.
All sizes of the Nagler 6 are parfocal so you won’t have to refocus when switching magnification, and all can be used with binocular viewers. It has the added benefit of being great for birding in addition to its status as an astronomy powerhouse.
This eyepiece will stay securely in its place, even if the thumbscrew comes loose. It has a groove machined into its barrel that will help the eyepiece stay in position regardless of what happens.
Tele Vue could do better in terms of customer support. The Nagler 6 is so well designed that the idea of needing a lot of assistance is pretty silly. However, a good backup for the customers who keep you in business is the hallmark of any great company.
Tele Vue offers a stellar warranty. They protect the original owner for five years against any workmanship defects.
The 13mm Nagler Type 6 is part of a large family of wonderful eyepieces. Many reviewers still invoke the word “Nagler” as a standard against which to measure other eyepieces, and it is for good reason.
This eyepiece is designed to offer bright, sharp and superbly-corrected images across its full 82-degree field of view.
Pros
Expect signature Tele Vue-quality sharpness in every image.
Cons
Not as wide a field as many on the market.
A Nagler Type 6 is a great bet for high quality views.