While the others had some coma, the Paracorr would 'fix' it with the 32mm and 38mm. This eyepiece also had a bit of coma that even use of the Paracorr could not resolve. Most people will tolerate some small degree of positive field curvature (where racking in the focus is necessary to focus edge stars). This was the only eyepiece of the 3 to show any field curvature (positive) and I felt it to be a bit more than usually accepted. An equal amount of coma present in this eyepiece compared to the others noted above, see the note below on use with a Paracorr. Image contrast was very good with this eyepiece although my comments regarding the sequence of testing (this one was tested last) may contribute to better dark adaptation and discernable contrast differences. This eyepiece was of similar construction and overall cosmetic quality as the others tested. Please see my reviews on the 32mm SWA and the 38mm SWA as they were tested on the same nights as this 26mm and observing conditions and telescope descriptions are in those reviews.Ĭomments here are where this 26mm eyepiece differed from the others. These are great all purpose eyepieces.an incredible buy!!"įield curvature and coma present. Highly recommended whether you wear glasses or not. "Excellent performance in an inexpensive package. Reviewing our 20mm 1.25-inch SWA eyepiece on Cloudy Nights, Nathan Melendez concluded: See why Erik Wilcox, reviewing the Agena SWA 2-inch eyepieces for Astronomy Technology Today magazine, said:Īll these three eyepieces offer a great value, with a lot of "bang for the buck." Agena AstroProducts has really raised the bar with this line, and in the under $100 category, I feel that it would be difficult to find another line of 2-inch eyepieces that offer better performance for the price. Light in weight for their size, thus minimizing or eliminating the need to rebalance your telescope.Sleek black barrel with safety undercut to reduce the possibility of the eyepiece slipping out of the focuser or diagonal.Fold-down rubber eyecups, rubber grip rings for comfort and safety.Blackened lens edges, anti-reflection threads for maximum image contrast.Super sharp, with excellent aberration correction and extremely high resolution rivaling higher-priced eyepieces.Available in 1.25" (10, 15 and 20mm focal lengths) and 2" (26, 32 and 38mm) formats to cover a wide range of magnifications and true fields of view.70 degree apparent field of view, for that immersed in space feeling.These eyepieces will give you crisp and wide views of the Moon, planets, galaxies, nebulae, and star clusters, rivaling the performance of much higher priced eyepieces. With features like a wide 70 degree apparent FOV, five elements of fully multi-coated high-index glass, beautiful black anodized body and barrel, the Agena Super Wide Angle (SWA) eyepieces are as close as you can get. Looking for $400 performance in an under-$100 eyepiece? Then you can look no further.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |