http://www.fixya.com/support/p7337-famous_trails_calypso_2_ft750_monocularSolved technical support problems provided by FixYa users.en-usCopyright (c) 2007 FixYa, LTD. All rights reserved.info@fixya.comThu, 21 Aug 2008 06:42:00 GMT80http://www.fixya.com/support/t413583-pitch_blackI have a older model monocular night owl which was working fine up until a few months ago. I recently tried to use it but I can't see anything through it now. I changed the batteries and still nothing but darkness. I bought it second hand but it...Thu, 21 Aug 2008 06:42:00 GMThttp://www.fixya.com/support/t179121-lifeI just bought a night vision device. How long should I expect it to last before it wears off?Thu, 21 Aug 2008 06:42:00 GMT