Thursday, February 11, 2010

Eye relief on Ranger 10x50

From Gene in Texas:
Subject: Eye relief on Ranger 10x50

My Eagle Optics Ranger 10X50 binoculars arrived yesterday. They are great! Eye relief was more than adequate for me to use them with glasses. The views were bright and clear. I used them on outdoor objects during the day; I used them astronomically during the evening. I can highly recommend these outstanding binoculars. Here is a review I posted on Cloudy Nights and my astronomy club's web page:

" Today, I received my Eagle Optics Ranger SRT 10X50 binoculars. From my research,
I felt that 10X50's were the largest I could use hand held. More on that in a
minute. I wanted some binoculars to augment my astronomical viewing with my
telescopes. These are excellent low to mid priced binos ($349.95 at Eagle
Optics). I tried them on outdoor/daytime scenes and they displayed crisp, clear
images all the way to the edge of field. A must for me was to have binoculars
possessing good eye relief so that I could use them while wearing glasses. They
are rated at 20mm eye relief. I did not measure to see if it was 20mm, but they
provided me plenty of eye relief while wearing glasses. I did not have to press
my glasses hard onto the eyecups. (The eyecups are retractable for those who
don't wear glasses.) This evening, I took them outside and looked at some
stellar objects, to include objects in Orion. Again, the views were excellent.
The entire field of view was in focus. San Antonio's crappy mag 3 skies did not
reveal M42. I must note that 10X50's are challenging for me to handhold rock
steady. I probably will add a tripod. I am happy to recommend these binoculars,
especially if long eye relief is important, and/or you want to use them while
wearing glasses.
An important point is to get out the word on the fact that you can use these binoculars while wearing glasses. There is a lot of confusion 'out there' on the issue of eye relief and usable eye relief. For some binoculars, 20mm eye relief might only be 12mm usable eye relief. Some Orion binoculars that touted 20mm eye relief were criticized by bloggers as having too little eye relief to use while wearing glasses. I was greatly relieved when my new 10X50 Rangers could be used with glasses, and was so pleased with the quality optics.

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