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View Full Version : Differences in Swift Audubon mark I, II, III ?

Renze de Vries
Saturday 2nd April 2005, 00:05
If I'm well informed, Swift updated their 8.5x44 Audubon porro (804) a few (two, three?) times. Some questions about them:
How can the different versions be recognized?
Did Swift improve them while updating?
And if so, in what way? (mechanically, optically aso).

Thanks in advance,

Renze de Vries
henry link
Saturday 2nd April 2005, 00:19
There is an excellent thread on this subject at cloudynights.com binocular forum complete with photos and lots of detail about construction. I hope this link will work: http://www.cloudynights.com/ubbthreads/showflat.php/Cat/1,2,3,4,5,8,9,10/Number/387187/page/1/view/collapsed/sb/5/o/all/fpart/1
Robert Ellis
Saturday 9th April 2005, 04:26
There is an excellent thread on this subject at cloudynights.com binocular forum complete with photos and lots of detail about construction. I hope this link will work: http://www.cloudynights.com/ubbthreads/showflat.php/Cat/1,2,3,4,5,8,9,10/Number/387187/page/1/view/collapsed/sb/5/o/all/fpart/1

Henry, do you know what years the Mark II was produced?
elkcub
Tuesday 2nd August 2005, 04:24
Henry, do you know what years the Mark II was produced?

Robert,

Well, now that I just bought a Mark II it's REALLY IMPORTANT to know all these things. Have you uncovered historical info. since April? Bill Cook's CN post is one of the most informative ones I've read, but still there are those other model variations to know about.

Thanks,
Elkcub
Robert Ellis
Tuesday 2nd August 2005, 12:28
No new info, sorry but my digging fell by the wayside.
marcus
Tuesday 2nd August 2005, 12:32
The Mark II is the one with the ED lenses, and the Mark III is the roof prism one?
Robert Ellis
Tuesday 2nd August 2005, 13:29
No, the Audubons go back many years. The original and the Mark II had the old fashioned looking (not rubber) body, and I think were models 804 and 804r, with an 804rED available for a while. The porro current model is the 820 or 820ED, and the roof is the HHS828.
elkcub
Tuesday 2nd August 2005, 17:49
No, the Audubons go back many years. The original and the Mark II had the old fashioned looking (not rubber) body, and I think were models 804 and 804r, with an 804rED available for a while. The porro current model is the 820 or 820ED, and the roof is the HHS828.


Thanks. I'll pass on what I find. There should be some info around. I think the Mark II was being sold actively in 1994±.

-elk