I could see more of the airplanes on side views. The wider field of view of the EX 7X35s allowed me to frame the whole airplanes when front viewed, although the tips of the wings were falling in that mashed up outer viewing area wich is well known on these binoculars. I did some comparisons using the binoculars and changing to eye views at the colors of airplane marking and found the colors on the EX 7x35s to be more close to reality. The greens of the grass and the blues on the airplane markings were more saturated also. The white colors seem to be more natural and without color cast. Colors seem to be more saturated, but without the warmer tone of the Aculons. Chromatic aberrations do not showed at the edges of the fuselages. If I did not compare with the EX 7x35s, I would be happy with the color balance of the Aculons. Aberration starts at about 70 to 80% from center. I had to refocus here and there to adjust for viewing the aiplanes in lane behind the ones departing. The depth of field is nice and I could easily see bugs and birds flying parallel to the runway, but these were out of focus. Edges seem to be sharp, but there is no thin color transition from the fuselages to the background.Ĭolor balance seems to be slightly yellow, when compared with the EX 7x35. The 10x50s show some CA on the edges of the white fuselages, specially the ones that are against the sky. Side views at 10x allow for spotting of fuselage details (panel rivetting inclusive) and also allow to see people using their smartphones to register take off from the windows, but forced me to keep my head and shoulders moving horizontally constantly to see the whole airplanes and get the full action. Front views of the airplanes on taxing only go from one turbine to the other, but cockpit action is well spotted. There is also a good clean view of the apron and both terminals, with the opportunity to see maintenance activity also. The spotting area allows one to see airplanes from the front when taxing and from the sides while waiting for clearance and take off. I could only frame half of the fuselages of the airplanes when viewed from their sides, mostly Airbuses from the A320 family and some new generations of Boeing 737. Firstly I used the Aculon 10x50s, because these are the ones I have used the most for plane spotting (and stargazing) in the last few months and know better.Īt such short distances from the airplanes, the 10x50s are a bit over the magnification needed. Last time I have been there, I had both my binoculars to make some comparisons. The most interesting for me is the one wich is located at roughly 100m (300ft) from the holding position and the treshold areas. The Lisbon airport has two major official airplane spotting sites. Meanwhile, I have used the EX 7x35s to do some planespotting and may report about that.Ĭommercial airplanes are mostly white and I believe those are good observation targets for one to realize CA and color balance issues. This is mainly due to the constant cloudy skies above Lisbon for the last 2 weeks. I am sorry I cannot give much more reports lately on night sky observation related experiences with the EX 7x35s. ![]() Will keep reporting on the 7x35s first viewing experiences. I read about Capella the other day and it seems it actually is two pairs of binary stars distant about 10000AU from each other and I would not say that, because it looks like just one massive star while viewing with binoculars. I also checked if everything is still in place, going to M45 and Capella wich, as always, seems bright and easily seen. I still do not know how to use or calculate this but I will just guess the FOV I have seen was slightly larger than the angular magnitude related to the height of the cluster. I know same people use some sort of angular magnitude to measure the real FOV according to the known angular magnitude used to measure distances in space. Those two stars, Zeta Persei and Eta Persei I believe, were completely mashed, but they were also at the very edge of the circular image one sees inside the eyepieces. ![]() The AFOV on the 7x35s is really wide, I could frame and see the entire cluster inside the eyepieces, from top to bottom, but the extreme stars viewing was suffering aberration and could not be easily seen. ![]() I took the 7x35s with me and spent about 45 minutes at the usual city park. I do not know about the dimensions, but it should be immense. The cluster stands out pretty well against the background. Last night viewing conditions were not as good as the previous night, but I could distinguish easily some of the main stars, Mirfak (Alpha Persei) 2/3 from the top, Algol (Beta Persei) to the right and Atik on the bottom (wich I believe to be AKA as Zeta Persei) I’m not sure what you saw but what you described sounds like the star cluster along the Perseus constellation.Alpha Perseiĭd61999 it is indeed the Alpha Persei Cluster
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