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Straight or angled scope

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Old Thursday 25th April 2019, 08:19   #151
Swissboy
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Quote:
Originally Posted by dalat View Post
Thanks :) Here is another one, from a year ago or so. Also fitting to this discussion...

https://www.birdforum.net/attachment...0&d=1517825796
Very nice, indeed!
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Old Thursday 25th April 2019, 08:32   #152
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Quote:
Originally Posted by Hauksen View Post

.
That's the same advantage that, at a larger scale, makes sharing an angled scope between people of different heights so convenient ... at the small scale, you're basically sharing the scope with subtle variations of yourself ;-)

Regards,

Henning
Unfortunately, that does not work for me at all. I then get to see the object through the near-adjusted part of my eyeglasses, and I can't just remove them for that would make things worse.

I actually wonder how many of those advocating angled scopes need to use their scopes with varifocals.
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Old Thursday 25th April 2019, 09:24   #153
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Hi Robert,

Quote:
Originally Posted by Swissboy View Post
Unfortunately, that does not work for me at all. I then get to see the object through the near-adjusted part of my eyeglasses, and I can't just remove them for that would make things worse.

I actually wonder how many of those advocating angled scopes need to use their scopes with varifocals.
Interesting point! My varifocals don't seem to make it difficult for me, but maybe I'm subconsciously adjusting sharpness more often than I'd need to.

Still, it's clear that varifocals can't give you full sharpness across the field (true for any scope or other optics type), so I recently bought a pair of monofocals explicitely for birding.

These work fine, except that now I'm struggling when trying to use the smartphone to record observations on ornitho.de while still in the field :-)

Regards,

Henning
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Old Thursday 25th April 2019, 16:50   #154
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Originally Posted by Hauksen View Post
...it's clear that varifocals can't give you full sharpness across the field (true for any scope or other optics type), so I recently bought a pair of monofocals explicitely for birding.

These work fine, except that now I'm struggling when trying to use the smartphone to record observations on ornitho.de while still in the field :-)...
For birding, I have bifocals with the split set lower than usual. The top works fine for distant views and for bins and scope. The little inset lets me see close things, like phone, map, notes.

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Old Thursday 25th April 2019, 21:32   #155
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Originally Posted by Alexis Powell View Post
For birding, I have bifocals with the split set lower than usual. The top works fine for distant views and for bins and scope. The little inset lets me see close things, like phone, map, notes.

--AP
Ditto. Bifocals give you a clear indication where the near correction starts and also a confirmation that the optician has got the alignment right. If one assumes that you need a +2 dioptre correction for reading, then it's only the ditances of 1 m +/- a few dm that acuity is less than ideal.

John
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Old Thursday 25th April 2019, 21:54   #156
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Quote:
Originally Posted by Alexis Powell View Post
For birding, I have bifocals with the split set lower than usual. The top works fine for distant views and for bins and scope. The little inset lets me see close things, like phone, map, notes.

--AP
I actually don't have varifocals but trifocals. But the problem remains the same. I would need a very uncomfortable position to get my upper parts of the glasses to view through, particularly since the scope tends to be too high for me anyway.
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Old Friday 26th April 2019, 17:50   #157
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Unfortunately, that does not work for me at all. I then get to see the object through the near-adjusted part of my eyeglasses, and I can't just remove them for that would make things worse.

I actually wonder how many of those advocating angled scopes need to use their scopes with varifocals.
I have been doing that for 30 years. With my astigmatism, ditching glasses is out of the question.

Niels
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