Welcome to the NavList Message Boards.

NavList:

A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding

Compose Your Message

Message:αβγ
Message:abc
Add Images & Files
    Name or NavList Code:
    Email:
       
    Reply
    Re: Hello and a question about polarizer sun filters
    From: Geoffrey Kolbe
    Date: 2016 Dec 8, 07:48 +0000



    Geoffrey,

    I have two  A-12 sextants, but how can I find out, if the filters are safe or not?

    regrads,

    HermanD

    ​My first reaction on looking at the sun through the filters of this particular sextant was, "Gosh - that sun is uncomfortably bright!" If that is your reaction, the filters do not filter enough.

    Geoffrey​
     
       
    Reply
    Browse Files

    Drop Files

    NavList

    What is NavList?

    Get a NavList ID Code

    Name:
    (please, no nicknames or handles)
    Email:
    Do you want to receive all group messages by email?
    Yes No

    A NavList ID Code guarantees your identity in NavList posts and allows faster posting of messages.

    Retrieve a NavList ID Code

    Enter the email address associated with your NavList messages. Your NavList code will be emailed to you immediately.
    Email:

    Email Settings

    NavList ID Code:

    Custom Index

    Subject:
    Author:
    Start date: (yyyymm dd)
    End date: (yyyymm dd)

    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site