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When bidding for a sextant on ebay be sure that it is complete
(box,scope,filters,index mirror adjustment tool) and that the index
mirror and horizon mirror are pictured in good reflective order along
with a picture of the arc free of corrosion. Double check the cost of
shipping because sometimes it is excessive.

On Aug 3, 12:32�pm, Greg Rudzinski  wrote:
> Peter,
>
> Try ebay if you are on a tight budget. The best deal I have seen
> recently is $300 for a Freiberger in very good condition. If you plan
> on only observing the sun then plastic will probably be good enough
> although I wouldn't expect more than two minutes of precision. The
> optics on plastic sextants are disappointing for star observations
> during early twilight. If money isn't an object then get a new whole
> horizon Cassens & Plath with adjustable polarizing filters. Used
> Russian sextants in good condition are worthy instruments as well but
> use caution when bidding on one outside of the U.S.. I have seen some
> used Tamaya deals on ebay too. Chinese sextants are the best way to go
> if a good value new sextant is desired. For practice on land there are
> several options besides bubble attachments. I prefer working from the
> shore of a body of water then applying dip short of the horizon while
> getting as low as possible. If the sextant is going to be primarily
> used aboard small craft then I recommend the whole horizon option
> because of the expanded field of view.
>
> Greg
>
> On Aug 3, 9:21�am, "Peter Hollings"  wrote:
>
> > I am looking for some advice on choosing a sextant for present use (within a
> > city) refreshing my skills and later for navigation aboard a yacht. Cost is
> > a factor and, given that I would be using it for navigation offshore only,
> > an accuracy within a minute or so should be sufficient. An artificial
> > horizon (bubble) would be necessary for me to practice in the city. I think
> > it would also be valuable at sea because it would enable sights when the
> > horizon was obscured and, if the bubble were illuminated, at night. I've
> > looked at WW II aviation sextants. Also, I have seen artificial horizon
> > attachments for marine sextants for sale on eBay. (Unfortunately, the ad for
> > the attachment did not specify which make/model of sextant it was designed
> > for.)
>
> > What sextant would you recommend and what further factors should I consider?
> > Also, are there any issues when buying this sextant that I should be looking
> > out for?
>
> > Thanks,
>
> > Peter Hollings
>
> > Atlanta, GA USA
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