TPO 50mm SuperView Eyepiece - 2"
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TPO 50mm SuperView Eyepiece - 2"The Erfle eyepiece design consist of five or six elements and was created solely for an ultra wide field of view, such as 60 to 70 degrees. At low powers it provides impressive deep sky views huge swatches of sky with contrasty backgrounds and pinpoint stars. Galaxies and nebulae are framed by the fields in which they lay. However, we'll be honest... at high magnification the image sharpness can become distorted at the edges of some manufacturer designs in some telescopes without corrective measures. Once considered only the domain of observatory-class and research-grade telescopes, the 2" eyepiece is now frequently offered as standard equipment with deluxe model telescopes. Capable of delivering brighter, higher contrast images, better eye relief and a wider field of view, 2" eyepieces are the premium by which all others are judged.
Fully multi-coated five element optics with blackened edges to minimize light reflection while maximizing contrast and light transmission. All SuperView eyepieces have a full 20mm of eye relief, making them a good choice for everyone, even those who wear eyeglasses. With impressive quality and appearance, the SuperView wide-field eyepieces feature a flawless chrome and black anodized barrel with a rubber eyecup and grip. The barrels are threaded to accept 2" filters. The Third Planet Optics 50mm Superview Eyepiece is a great extended field eyepiece for longer focal length good for large nebula and open clusters. For shorter focal length, they are fantastic for large objects such as the Orion nebula, views of the full lunar disc, large open clusters and more. This multi-purpose magnification range also makes for good "locator" eyepieces in all focal lengths. They are also well suited to shorter focal length telescopes for extended views and large, starry fields.
TPO Product Number: OS-S50
|Eyepiece Apparent FOV||60 degrees|
|Eyepiece Focal Length||50mm|
|Warranty||2 Year Warranty|
I use this regularly on my 6" f/10 refractor and my 7" f/15 Mak. I do not like to use it on my f/4 12" reflector. This eyepiece is exceptional, showing pinpoint stars to the edge on both my refractor and the Mak.
Decent Eyepiece for the price. A necessary tool for low power views in a Celestron 11. Positive : light weight for it's size. Negative : field stop is VERY blurry.
I have no complaints about the build or image quality - they are both good. However I found that I could not view for more than a few seconds without drifting into a blackout zone. It may well be my fault rather then the EP but the viewing was just not comfortable for me. I hope everyone else will have a better experience with this good quality EP.
This eye piece has very sharp optics across 97 to 98% of the viewing field. The stars are bright and sharp as tacks. The Orion nebulae looks nice and the four small stars in the dark inner border of the cloud are clearly visible. Pleiades covers the entire viewing field of the lens with all stars in good focus. If the viewing field was more like 68 degrees this eyepiece would be truly spectacular! But it is not bad at all as it is and again 5 stars for the clarity factor.
Although I use this eyepiece only on occassion, it seems to be of good quality, with no distortion that I can see. The only problem I had with it is that the relief was so far back that I had to fashion an extra "extender" about 20mm. to get my eye back far enough that I could use it. Without the adapter I made, it was a struggle to get to the "sweet spot" where the image looked good. With the adapter it is fine. I used it at a public star party recently, looking at the Pleiades, and the stars all looked very good, and my guests had no difficulty using this eyepiece.
Sometimes 38mm isn't enough, I really had douts after using the Explorer Scentific 100 degree series & Q70, 38mm! But this 50mm stayed in my 10" Dob at the Hodges Gardens Louisiana Star Party better than 90 % of the time. I never removed my glasses. I recieved very good commets from fellow astronomers! Many asked where they could buy one. A good addition to my set of eyepieces! Thanks OPT!