In most cases an eye relief of 14 to 15mm is needed for the average eyeglass wearer to be comfortable. Ideally though you should look for binoculars and spotting scopes that have 16, 17 or even 18mm. Some very long eye-relief binoculars come with 20mm or more, which gives you plenty of room to maneuver.
What is a good eye relief?
4-4 1/2 inches is a great place to force manufacturers into a new industry standard of acceptable eye relief. The higher the magnification, the more you lose in field of view and eye relief. If you could lose an inch at 15-20x power, you're still sitting safe and pretty at 3 1/2 inches of eye relief.23 Nov 2021
What is short eye relief in binoculars?
A short eye relief comes with less than 13mm size. Basically, this eye relief size bit pertinent who don't wear glass. It won't be favorable who wear glass. Because, when they look through an eyepiece, they will be unable to view consummately.
Can I use a telescope if I wear glasses?
You should wear glasses for all low-power observing, but you can probably get away with taking them off when you are examining the Moon, planets, or anything else at high magnification.
Does night vision work with glasses?
Some wearers of night driving glasses report that they're better able to see at night while wearing them. However, visual tests indicate that night driving glasses do not improve night vision, and do not help drivers see pedestrians any faster than they would without them.17 Sept 2019
Should you keep your glasses on when using binoculars?
Since eyeglasses hold binoculars away from the eyes and let in peripheral light anyway, retract the eyecups if you do wear glasses. Next, set the barrels of the binoculars to match the distance between your eyes. Looking through them, adjust the barrels until you have a solid image through both eyes.