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Troubleshooting FAQ | Problems? PM a Red or a Green Gu.... uh, User
Gordon Rayner
scholastic sledgehammer
Reged: 03/24/07
Posts: 965
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Replacement eyecups are not available for many otherwise intact binoculars. If the original was molded rubber fitted into a groove on a metal or plastic ring, the absence of the rubber places an often sharp, cold edge against the nose and/or eyebrow.
Rubber O-rings, as found in plumbing suppliers, are a partial solution. Though they do not block light from the sides , they provide a friendlier interface to the nose and eyebrow. Most of the O-ring protrudes above the outside of the groove.
At Lowe's, their number 0616 fits into the grooves in a Bushnell Featherlight Insta-Focus 7 x 35, J-B 138, J-E4. Replacement cups may be available . I did not inquire.
At Home Depot, the Danco #18 fits into several grooves on various types. The several Danco sizes conveniently are packaged in snap-open boxes, so one can make trial fittings without first purchasing.
If there is no groove, the O-ring can be glued in place.
Winged eyecups, with/without O-ring use, can be cut with scissors and knife from the polyethylene or Neoprene foam axially split tubes used for pipe insulation , sold at home repair centers.
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GlennLeDrew
Pooh-Bah
Reged: 06/18/08
Posts: 1250
Loc: Ottawa, Ontario, Canada
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A friend of mine (DougL, here on CN) has employed a product called Plasti Dip, normally used to 'rubberize' tool handles and the like. It dries fairly quickly to a reasonably flat black. He 'painted' the stuff on the tops of some scope eyepieces using a Q-tip.
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Home-made 11X50 right angle bino, 8.1 deg. FOV
Modified 26X100 bino, 3.5 deg. FOV
Home-made Mk II RA bino, using interchangeable objectives and eyepieces
My Gallery
Mediocre minds discuss people. Good minds discuss events. Great minds discuss ideas.
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werewolf6977
Lord High Smasher
Reged: 12/15/03
Posts: 8429
Loc: Hanover, Ohio
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Rubber fender washers can work too. You can stack 'em too.
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Pete
6" Apogee/LXD55
Starhopper 6" Dob
Spaceprobe 130EQ
Black C8 OTA
WO Zenith Star 66 Patriot Edition
Sun Pak Pro 7500 Platinum Edition
8X42 Bushnell H2O Porro
7X35 Tasco
10X50 Nikon Actions (Type 7)
15X70 Skymasters
Dell Inspiron Dual Core 531s
"Science without Religion is lame, Religion without Science is blind" A.Einstein.
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DJB
Carpal Tunnel
Reged: 02/23/05
Posts: 1589
Loc: Lisle NY
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Hi all,
I use the "plastic dip" for many items--mostly tools.
However, I bet it would work well on rubber, wood, and even glass. Now that is an idea worth investgating.
Best regards,
Dave.
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Doug L
sage
Reged: 08/17/08
Posts: 206
Loc: Ottawa, Canada
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The nice thing about 'Plasti Dip' is that it can be applied as thin (or thick) as you wish. Just make sure the surface has been thoroughly cleaned first with acetone or other similar product. The rubber coating makes for much more comfortable viewing with all of my short-eye-relief telescope & bino eyepices.
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Bino reality... 1 + 1 > 2
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