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Search: Posts Made By: jring
Forum: Binoculars Today, 16:37
Replies: 118
Views: 7,054
Posted By jring
Hi, I can understand why you like the Meopta...

Hi,

I can understand why you like the Meopta 7x50 - all the good things you mention about it besides the mechanics are at least partly inherent to the 7x50 format.

If you can handle the a hundred...
Forum: Spotting Scopes & tripod/heads Today, 16:18
Replies: 5
Views: 200
Posted By jring
Hi, I am really looking forward to Canip's...

Hi,

I am really looking forward to Canip's review too!

Regarding the ED glass type - since APM is an astro shop, I would expect them to mention if it was FPL-53, as they do with all their other...
Forum: Binoculars Thursday 15th November 2018, 10:12
Replies: 26
Views: 789
Posted By jring
Hi, I think the IR gadget is mainly useful for...

Hi,

I think the IR gadget is mainly useful for finding some lifeform in bad light as a bright dot. You then hopefully have still enough light to use binoculars to actually see the owl.

Joachim
Forum: Binoculars Tuesday 13th November 2018, 22:25
Replies: 26
Views: 789
Posted By jring
Hi, in binoculars it's most probably a doublet...

Hi,

in binoculars it's most probably a doublet objective (more often than not air spaced, although cemented does happen) - that makes two elements in two groups for air spaced or two in one group...
Forum: Binoculars Tuesday 13th November 2018, 13:40
Replies: 26
Views: 789
Posted By jring
Hi, transmission rates for ED glass are not a...

Hi,

transmission rates for ED glass are not a lot different than "normal" optical glass. The main advantage is that with ED glass and a well chosen partner glass one can build a doublet objective...
Forum: Binoculars Sunday 11th November 2018, 20:01
Replies: 52
Views: 1,498
Posted By jring
Hi, I don't know what state the Trinivid bought...

Hi,

I don't know what state the Trinivid bought by the o.p is in - if it is collector grade like new in box, the 230 quid might be ok. For using it, I would have tried to get a cheaper pair - or a...
Forum: Swarovski Sunday 11th November 2018, 19:50
Replies: 8
Views: 607
Posted By jring
Unlike with watches or cars, that is a very good...

Unlike with watches or cars, that is a very good attitude for optics!

Joachim
Forum: Kowa Sunday 11th November 2018, 10:37
Replies: 14
Views: 458
Posted By jring
Hi David, hi Bill, regarding the inverted image...

Hi David, hi Bill,

regarding the inverted image question, ok I had not seen any notice of image erection in the APM binoviewer ad - and I searched for it. If it does erection and the Kowa body does,...
Forum: Kowa Saturday 10th November 2018, 17:05
Replies: 14
Views: 458
Posted By jring
Hi David, could you please explain why you think...

Hi David,

could you please explain why you think the image will be inverted with a spotting scope body (including a porro or roof prism based image erection assembly) and a binoviewer?

I fail to...
Forum: Binoculars Saturday 10th November 2018, 09:47
Replies: 52
Views: 1,498
Posted By jring
Hi, in cases of heavy fungus, coatings and even...

Hi,

in cases of heavy fungus, coatings and even glass can be etched by some species.
In that case one can just clean and leave the etch marks as is or polish off the coatings and/or repolish the...
Forum: Binoculars Friday 9th November 2018, 16:44
Replies: 52
Views: 1,498
Posted By jring
Hi, I would be most astonished if Leica did a...

Hi,

I would be most astonished if Leica did a service on a 50 year old pair free of charge, given their past history with service - they're not Swaro.

It has happened that optical workshops have...
Forum: Swarovski Friday 9th November 2018, 15:12
Replies: 42
Views: 2,422
Posted By jring
Hi, Swaro has certainly been producing top...

Hi,

Swaro has certainly been producing top quality optics for decades, after all the Habicht line of Porro bins dates from the 50s at least.

But even if one arguments that they were not very well...
Forum: Kowa Thursday 8th November 2018, 13:56
Replies: 14
Views: 458
Posted By jring
Hi, I have doubts that you will come to focus -...

Hi,

I have doubts that you will come to focus - binoviewers have quite a bit of optical path which will be more than the rather limited focus travel of the spotting scope can compensate. You could...
Forum: Binoculars Tuesday 6th November 2018, 22:08
Replies: 52
Views: 1,498
Posted By jring
Hi, congratulations to your new bins - I hope...

Hi,

congratulations to your new bins - I hope you like 'em. Please let us know!

Regarding service - with optics - if it ain't broke, don't fix it. Unlike cars or mechanical watches, binoculars...
Forum: Swarovski Tuesday 6th November 2018, 21:50
Replies: 24
Views: 1,315
Posted By jring
Hi, thanks to John for his documentation - nice...

Hi,

thanks to John for his documentation - nice work! My first guess of 70s or 80s due to crystal logo and yellow tint seems correct.

Unlike some soviet bloc optics which have a yellow tint due to...
Forum: Binoculars Monday 5th November 2018, 13:36
Replies: 52
Views: 1,498
Posted By jring
Hi, whatever you do, please stay away from the...

Hi,

whatever you do, please stay away from the CZJ Notarem - they were not among their best constructions.

The Zeiss West Dialyth would be a good deal if it was phase coated - but as has been...
Forum: Binoculars Sunday 4th November 2018, 23:38
Replies: 52
Views: 1,498
Posted By jring
Hi James, first of all, welcome to BF! As has...

Hi James,

first of all, welcome to BF!

As has been said, roof bins without phase coating are best avoided, especially in higher magnifications - with a 7x it might be just ok...

First of all, why...
Forum: Kowa Thursday 1st November 2018, 16:53
Replies: 11
Views: 433
Posted By jring
Hi, as long as the TSN-3/4 is not one of the...

Hi,

as long as the TSN-3/4 is not one of the latest models with a protective glass in front of the prisms (those are fairly rare - if you look into the EP flange and see some space between the prism...
Forum: Spotting Scopes & tripod/heads Tuesday 30th October 2018, 08:39
Replies: 32
Views: 1,769
Posted By jring
Hi, the 501 has a fixed zoom EP resulting in...

Hi,

the 501 has a fixed zoom EP resulting in 20-40x magnification. The example I tried was surprisingly good for the price asked.
Cannot comment on the razor, the ED50 probably beats it as it will...
Forum: Spotting Scopes & tripod/heads Monday 29th October 2018, 23:09
Replies: 7
Views: 516
Posted By jring
Hi, we often do this with small refractors at 15...

Hi,

we often do this with small refractors at 15 or 20x when we get a pass while observing... Shape is visible and one can follow it guiding the scope with the hand. You need to be quick to have sb...
Forum: Leica Monday 29th October 2018, 23:01
Replies: 8
Views: 419
Posted By jring
Hi, I have also tried a Leica 82 in a store...

Hi,

I have also tried a Leica 82 in a store against an admittedly difficult target of branches against a grey winter sky and was not impressed (neither was the owner, as he told me). Lateral color...
Forum: Meopta Friday 26th October 2018, 10:00
Replies: 11
Views: 581
Posted By jring
Hi Henry, very nice - that's most probably...

Hi Henry,

very nice - that's most probably it!
And indeed, if all this is done with prisms and thus total internal reflection, it is preferable to anything containing roof prisms.

Joachim
Forum: Meopta Thursday 25th October 2018, 18:35
Replies: 11
Views: 581
Posted By jring
Hi, why an image erecting system consisting only...

Hi,

why an image erecting system consisting only of porro prisms (and thus no roof prisms) would be preferable for astronomy seems fairly easy to see:

- only total internal reflection - thus no...
Forum: Nikon Tuesday 23rd October 2018, 13:52
Replies: 24
Views: 898
Posted By jring
Hi, first of all, welcome to birdforum! As you...

Hi,

first of all, welcome to birdforum!

As you found out, in really bad light, you want a large exit pupil - although I would expect that the stage lighting for a concert will be good enough for...
Forum: Others Monday 22nd October 2018, 17:18
Replies: 7
Views: 454
Posted By jring
Hi, cannot comment on Hensoldt as my DF 8x30 has...

Hi,

cannot comment on Hensoldt as my DF 8x30 has no laser filters. But I have a pair of Fujinon M22 which would be a nice pair of bins if they didn't have a laser filter... awful purple tint... not...
Showing results 1 to 25 of 1000
 


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