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Magnifying the passion for nature. Zeiss Victory Harpia 95. New!

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Search: Posts Made By: henry link
Forum: Binoculars Tuesday 31st July 2018, 14:43
Replies: 29
Views: 1,020
Posted By henry link
I don't think a 55mm CaF2 lens is breaking any...

I don't think a 55mm CaF2 lens is breaking any new ground. I have a 50mm Takahashi Fluorite refractor I bought 30 years ago. More likely Fluorite is not used in telescopes of less than 50mm because...
Forum: Binoculars Sunday 29th July 2018, 22:09
Replies: 113
Views: 5,791
Posted By henry link
Upland, Try reading page 2 of this...

Upland,

Try reading page 2 of this thread.

https://www.birdforum.net/showthread.php?t=221984&page=2

"garymh" is a completely reliable source for Zeiss technical information. I can't say I've found...
Forum: Nikon Tuesday 24th July 2018, 15:20
Replies: 12
Views: 566
Posted By henry link
Sorry for the late reply, Joachim. I just noticed...

Sorry for the late reply, Joachim. I just noticed your post.

Here are the measurements for the 8x30 E eyecup:

total length - 14mm
outside diameter - 37mm
inside diameter - 33.5mm
opening for...
Forum: Binoculars Tuesday 24th July 2018, 14:07
Replies: 11
Views: 1,305
Posted By henry link
John, Your original post sent me to this...

John,

Your original post sent me to this article:

https://www.baader-planetarium.com/en/blog/baader-bbhs-reflective-properties/

There I found to my surprise that Baader claims to have been using...
Forum: Zeiss Tuesday 24th July 2018, 13:14
Replies: 8
Views: 558
Posted By henry link
Steve, No, they have it right. An 8x32 and 10x42...

Steve,

No, they have it right. An 8x32 and 10x42 binocular can use the same eyepiece with the same AFOV when the focal length of the 42mm objective lens is 25% longer than the focal length of the...
Forum: Zeiss Thursday 5th July 2018, 19:44
Replies: 51
Views: 3,347
Posted By henry link
Vespobuteo, The focal ratios over most of the...

Vespobuteo,

The focal ratios over most of the zoom range are alarmingly low, even after the aperture stop down: f/3.02 at 23x, f/3.15 at 40x, f/3.94 at 50x, f/4.72 at 60x. Something unusual will...
Forum: Nikon Thursday 5th July 2018, 19:08
Replies: 12
Views: 566
Posted By henry link
Peter, E and EII eyecups are not even close to...

Peter,

E and EII eyecups are not even close to the same size. Believe me, I have several old E models and the two EIIs on hand. I bought extra eyecups for all of them back when Nikon was more...
Forum: Spotting Scopes & tripod/heads Thursday 5th July 2018, 13:48
Replies: 1
Views: 210
Posted By henry link
I'm also curious about these things. They've been...

I'm also curious about these things. They've been around under various brand names for a long time. I suppose they must work, but how? The scopes are always inexpensive, so there must be some cheap...
Forum: Zeiss Thursday 5th July 2018, 13:28
Replies: 51
Views: 3,347
Posted By henry link
Hi Lee, Thanks very much for arranging and...

Hi Lee,

Thanks very much for arranging and conducting the interview. You certainly asked all the right questions. Despite Herr Dobler's admirable job of representing Zeiss' point of view I hope I...
Forum: Nikon Thursday 5th July 2018, 00:02
Replies: 12
Views: 566
Posted By henry link
The eyecup for the 8x30 E is smaller than the one...

The eyecup for the 8x30 E is smaller than the one for the 8x30 EII. If Nikon can't or won't supply it I've found a workable alternative is the rubber eyecup for the Televue 19mm Panoptic eyepiece. I...
Forum: Swarovski Sunday 1st July 2018, 18:07
Replies: 74
Views: 5,434
Posted By henry link
Hi Gijs, I just noticed that in post #22 you...

Hi Gijs,

I just noticed that in post #22 you mention that your 8x32 EL dates from 2006. Is that correct? If so, it would the model before the current 8x32 EL SV. I haven't tested that one for glare,...
Forum: Swarovski Saturday 30th June 2018, 13:02
Replies: 74
Views: 5,434
Posted By henry link
Certain observers failing to see glare doesn't...

Certain observers failing to see glare doesn't mean the 8x32 SV is somehow free from the internal reflections that cause glare when those observers use it. The photos in the link don't lie about the...
Forum: Zeiss Thursday 28th June 2018, 17:46
Replies: 32
Views: 1,904
Posted By henry link
You won't realize the full advantage of the 56mm...

You won't realize the full advantage of the 56mm aperture unless your eye opens to 7mm, but whatever your entrance pupil may be in any light the extra magnification of the 8x56 will always give it a...
Forum: Zeiss Thursday 28th June 2018, 14:03
Replies: 220
Views: 46,668
Posted By henry link
Thanks for the link Vespobuteo. Definitely a...

Thanks for the link Vespobuteo. Definitely a sales pitch from start to finish. My nomination for the most moronic part is the stretch of BS that starts at about 1:24 when the guy leaning out of the...
Forum: Zeiss Wednesday 27th June 2018, 23:18
Replies: 65
Views: 3,807
Posted By henry link
This is Albino's description of their method for...

This is Albino's description of their method for testing "astigmatism"

"ASTIGMATISM (10 points) - We considered a level of astigmatism trying to achieve a perfect punctual image of stars. Then...
Forum: Swarovski Monday 25th June 2018, 23:55
Replies: 74
Views: 5,434
Posted By henry link
https://www.birdforum.net/showthread.php?t=308250

https://www.birdforum.net/showthread.php?t=308250
Forum: Binoculars Sunday 24th June 2018, 23:56
Replies: 16
Views: 768
Posted By henry link
Whitedragon, If you're looking at Swarovski,...

Whitedragon,

If you're looking at Swarovski, Zeiss or Leica binoculars their AFOV specs appear to be actually measured now, so presumably are accurate. Nikon uses the ISO method of AFOV...
Forum: Binoculars Sunday 24th June 2018, 12:45
Replies: 16
Views: 768
Posted By henry link
You can ignore exit pupil size. It means nothing...

You can ignore exit pupil size. It means nothing when determining the width of the FOV from specs.

There two kinds of FOV specs - real and apparent. Meters at 1000m is an old convention in...
Forum: Zeiss Friday 22nd June 2018, 14:44
Replies: 220
Views: 46,668
Posted By henry link
Thanks Lee. My apologies to Zeiss for ever having...

Thanks Lee. My apologies to Zeiss for ever having doubted them. ;)

Henry
Forum: Zeiss Thursday 21st June 2018, 21:13
Replies: 220
Views: 46,668
Posted By henry link
Excellent! Looking forward to it. Henry

Excellent! Looking forward to it.

Henry
Forum: Zeiss Thursday 21st June 2018, 19:32
Replies: 220
Views: 46,668
Posted By henry link
That could be, but how many reviewers measure the...

That could be, but how many reviewers measure the clear aperture?
Forum: Zeiss Thursday 21st June 2018, 18:03
Replies: 220
Views: 46,668
Posted By henry link
Hey Lee, If the scopes have been changed...

Hey Lee,

If the scopes have been changed wouldn't it make more sense to revise the exit pupil specs rather than dropping them completely?

Another less innocent explanation is that Zeiss came to...
Forum: Nikon Sunday 10th June 2018, 17:07
Replies: 13
Views: 1,093
Posted By henry link
I'll just add that the Aculon is a simple classic...

I'll just add that the Aculon is a simple classic design (cemented doublet objective lens, Porroprism, Erfle eyepiece). That 100 year old design has always been capable of producing a very sharp...
Forum: Kowa Friday 8th June 2018, 15:24
Replies: 28
Views: 1,285
Posted By henry link
Mostly I agree with Joachim. Lemons are certainly...

Mostly I agree with Joachim. Lemons are certainly to be avoided and star-testing is the best way to do that, but star-testing will also reveal that even among expensive spotting scopes cherries can...
Forum: Zeiss Thursday 7th June 2018, 15:46
Replies: 220
Views: 46,668
Posted By henry link
Piergiovanni, Good to hear that you'll be...

Piergiovanni,

Good to hear that you'll be getting a look at the Harpia. Here's my little wish list for information about the scope.

Firstly, since the design is so unusual I hope you can make some...
Showing results 1 to 25 of 1000
 


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