What are Nagler eyepieces for?
TeleVue Nagler eyepieces initiated the revolution toward ultra-wide field eyepieces, providing a tack-sharp image across an extremely generous 82 degree apparent field. Nagler eyepieces have been enhanced and refined over the years, dominating the market for ultra-wide field eyepieces for nearly three decades.
Are TeleVue eyepieces worth it?
TeleVue eyepieces are very nice, they are well corrected for astigmatism at fast focal ratios, the Panoptics, the Naglers, the Ethos and now the Delos all have generously wide fields of view, they are free from a variety of aberrations.. In terms of a widefield eyepiece, it doesn’t get any better..
Where are TeleVue Plossl eyepieces made?
All TeleVue eyepieces are made in either Japan or Taiwan. The Plossls are one of their lines that to the best of my knowledge have always been manufactured in Japan, to TeleVue’s specs.
Where are TeleVue eyepieces made?
The Panoptics, Ethos and Delos are made in Taiwan. This might of course change over time. Regardless of where an eyepieces is made, it is design, materials, manufacturing and QC that determine quality and performance.
What is a Plossl eyepiece?
The Plössl is an eyepiece usually consisting of two sets of doublets, designed by Georg Simon Plössl in 1860. Since the two doublets can be identical this design is sometimes called a symmetrical eyepiece. The compound Plössl lens provides a large 50° or more apparent field of view, along with relatively large FOV.
Where are Explore Scientific eyepieces made?
Springdale, Arkansas
Roberts in 2008. Headquartered in Springdale, Arkansas, the company designs and manufactures telescopes, spotting scopes, binoculars, microscopes and other scientific devices. Products are manufactured in China by JOC and imported.
Where are Televue telescopes made?
Chester, New York
Every TeleVue refractor is assembled, collimated and tested at their facility in Chester, New York.
Where are Tele Vue telescopes made?
Are Plossl eyepieces any good?
Plössl eyepieces are good all-around performers, producing sharp images at the center of the field, but they have only four lens elements. Better edge correction with a short-focus telescope is one of the things you pay extra money for, and sophisticated eyepiece designs have as many as eight elements.
What is the difference between Kellner and Plossl?
Kellner eyepieces have decent eye relief, a fair field of view (45 degrees) and little curvature of field. The Plossl eyepiece is composed of two doublets, which are identical to each other. For this reason, you will also hear it called a symmetrical eyepiece.
Is the Nagler 4-22mm worth it?
Review: I was really impressed with this eyepiece which was my first of the Nagler 4 series. The 22mm beautifully compliments a high-quality telescope by showing stars as colorful points over a flat field [faster scopes may stretch edge stars out a bit].
When did the Nagler eyepieces come out?
In the early 1980’s, Al Nagler created a small sensation when these eyepieces were introduced. Larger and far more expensive than anything which had previously hit the market, the Naglers changed the way astron- omers viewed the skies above us. What’s so special about Nagler eyepieces?
Are Televue Nagler 31mm Type 5 wide angle eyepieces any good?
When it comes to those super-duper, ultra mega monster AFOV wide angle eyepieces, everyone has heard of, a few lucky ones have looked through and even fewer even luckier ones own a Terminagler. But for us mere mortals who actually have to work for a living, dropping those hard earned dollars on a Televue Nagler 31mm Type 5 is easier said than done.
What are the advantages of a Nagler scope?
The Naglers, on the other hand, are sharp practically to the field stop (and the field stop is not always easy to find!) Also, the extremely wide FOV has a benefit to telescope owners without clock drives. You don’t have to move your scope as often, since you’re looking at so much sky.