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Showing results 1 to 25 of 159
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Search: Posts Made By: John A Roberts
Forum: Swarovski Friday 21st June 2019, 01:29
Replies: 13
Views: 840
Posted By John A Roberts
Summary of EL FieldPro changes At the risk of...

Summary of EL FieldPro changes

At the risk of the accusation of pedantry, it seems convenient to document in this thread the full range of changes to the FieldPro version of the EL...
Forum: Leica Tuesday 18th June 2019, 05:04
Replies: 12
Views: 757
Posted By John A Roberts
Other Non-Rubber Armoured Ultravids Leica (and...

Other Non-Rubber Armoured Ultravids

Leica (and Leitz before it) has long been a producer of de luxe versions of it’s basic product lines
While these Ultravid offerings are mainly of interest to...
Forum: Leica Monday 17th June 2019, 23:09
Replies: 12
Views: 757
Posted By John A Roberts
More re Leatherette Versions The BL/ Blackline...

More re Leatherette Versions

The BL/ Blackline was introduced in 2003 at the same time as the BR
And the SL/ Silverline was introduced in 2010
Both are still listed on the Leica website and both are...
Forum: Leica Thursday 13th June 2019, 23:27
Replies: 12
Views: 757
Posted By John A Roberts
The Ultravid chronology is: 2003 - BR 2007 - HD...

The Ultravid chronology is:
2003 - BR
2007 - HD (addition of HD glass in the objectives, AquaDura external lens coatings, and an improved focusing mechanism)
2015 - HD Plus (and Schott HT glass...
Forum: Binoculars Wednesday 12th June 2019, 23:26
Replies: 24
Views: 949
Posted By John A Roberts
chicoredneck Taking into account that you are...

chicoredneck

Taking into account that you are concerned with:
- ease of view over long sessions
- and viewing in low light situations

And that you:
- already have a 15x56 SLC (3.7 mm exit pupil)
-...
Forum: Binoculars Wednesday 12th June 2019, 01:15
Replies: 6
Views: 867
Posted By John A Roberts
ADDITIONAL RESOURCES Not to hijack Mark’s...

ADDITIONAL RESOURCES

Not to hijack Mark’s thread, but to provide a one stop starting point for some additional resources . . .


ZEISS
Holga Merlitz has posted a series of catalogues ranging from...
Forum: Binoculars Wednesday 12th June 2019, 01:08
Replies: 6
Views: 867
Posted By John A Roberts
UPDATE - Even More Information Since Mark’s post...

UPDATE - Even More Information

Since Mark’s post in November, considerably more flyers/ pamphlets/ brochures/ catalogues have been added to the Miniature Binoculars site

Manufacturers range from...
Forum: Swarovski Monday 10th June 2019, 21:48
Replies: 14
Views: 1,586
Posted By John A Roberts
Robert You are of course right about Ken...

Robert

You are of course right about Ken Rockwell’s comment as to 7.5 meters being an acceptable minimum focusing distance

FYI some background about Ken:
He primarily writes about photographic...
Forum: Swarovski Monday 10th June 2019, 03:03
Replies: 14
Views: 1,586
Posted By John A Roberts
John I’m not surprised that you had a positive...

John

I’m not surprised that you had a positive experience with the 8x40
Notwithstanding it had the common limitation of roof prisms of the era (a slight image softness, due to the lack of phase...
Forum: Swarovski Sunday 9th June 2019, 09:17
Replies: 2
Views: 254
Posted By John A Roberts
Swarovski Optik on Tour - Mobile Experience

Swarovski has introduced a fleet of vehicles to tour and let people try out its products in the field

There’s a fairly comprehensive list of dates and locations for Europe
And a more restricted list...
Forum: Binoculars Friday 7th June 2019, 22:52
Replies: 25
Views: 1,492
Posted By John A Roberts
In keeping with how diminutive the Mikron is, in...

In keeping with how diminutive the Mikron is, in an early post-WWII flyer it's referred to as the 'shirt pocket' model

Such a carry would maximise it's convenience and use compared to that enormous...
Forum: Nikon Friday 7th June 2019, 22:35
Replies: 7
Views: 302
Posted By John A Roberts
Peter I'm surprised that there's not more...

Peter

I'm surprised that there's not more awareness of the Bino Bandit
Since even more so than with winged eyecups, it eliminates distracting side (and also rear) light and so increases image...
Forum: Swarovski Friday 7th June 2019, 05:06
Replies: 13
Views: 840
Posted By John A Roberts
Claude Just to be perfectly clear, the EL x42...

Claude

Just to be perfectly clear, the EL x42 chronology is:
1999 - EL
2009 - EL Swarovsion (new optics and body)
2015 - EL FieldPro (Swarovision with new covering and accessories)

For the...
Forum: Swarovski Thursday 6th June 2019, 21:39
Replies: 14
Views: 1,586
Posted By John A Roberts
John Seemingly not The Leitz v2 Trinovid...

John

Seemingly not

The Leitz v2 Trinovid production spanned 1963 to 1988
However neither contemporary reviewers, nor later ones, commented on eye relief changing with focus distance

So if it was...
Forum: Meopta Thursday 6th June 2019, 11:59
Replies: 23
Views: 1,256
Posted By John A Roberts
. . . and the specifications Interestingly, they...

. . . and the specifications

Interestingly, they include transmission percentages both for daylight and twilight conditions


John

p.s. you may need to save and then enlarge them for legibility -...
Forum: Meopta Thursday 6th June 2019, 11:55
Replies: 23
Views: 1,256
Posted By John A Roberts
There's some introductory info on Meopta's...

There's some introductory info on Meopta's website for the Optika HD 8x42 and 10x42:

continued . . .
Forum: Swarovski Wednesday 5th June 2019, 23:40
Replies: 14
Views: 1,586
Posted By John A Roberts
John I understand why you think from the Leitz...

John

I understand why you think from the Leitz Trinovid cross section that both the ocular lenses and the prisms move during focusing
i.e. from observing the path of the red line that goes along...
Forum: Nikon Wednesday 5th June 2019, 07:21
Replies: 7
Views: 302
Posted By John A Roberts
. . . and some images fitted to the EII John

. . . and some images fitted to the EII


John
Forum: Nikon Wednesday 5th June 2019, 07:19
Replies: 7
Views: 302
Posted By John A Roberts
A Solution! Recently I came across a microscope...

A Solution!

Recently I came across a microscope eyecup which works well with the EII (it fits like it was made for it), see the images and especially the feedback comments that prompted me to order...
Forum: Nikon Wednesday 5th June 2019, 07:12
Replies: 7
Views: 302
Posted By John A Roberts
EII Eyecup Solution for Some?

The Problem
When I took a renewed interest in binoculars some years ago, one of the first that I bought was an EII 8x30. However from the start the eyecups were a problem
The eyecups are thin walled...
Forum: Leica Tuesday 4th June 2019, 02:17
Replies: 55
Views: 3,030
Posted By John A Roberts
Small size Bino Shield for x30 Porros Mike...

Small size Bino Shield for x30 Porros

Mike replied on another thread as to his success with the Small size:



As it fits the EII 8x30, it will also fit among others:
- both Nikon's earlier E 8x30...
Forum: Swarovski Tuesday 4th June 2019, 01:51
Replies: 34
Views: 1,798
Posted By John A Roberts
Small size Bino Shield for x30...

Small size Bino Shield for x30 Porros


Mike,

Good to hear that things worked out with the Small size

The EII 8x30 has the greatest circumference of the better Porro x30’s, so as you noted it also...
Forum: Swarovski Sunday 2nd June 2019, 23:54
Replies: 14
Views: 1,586
Posted By John A Roberts
A leaner bodied EL? Having thought about my post...

A leaner bodied EL?

Having thought about my post of yesterday, one possible line of significant innovation for a 3rd generation EL would be a much leaner bodied EL

On modern roof prism binoculars,...
Forum: Leica Sunday 2nd June 2019, 05:27
Replies: 113
Views: 16,417
Posted By John A Roberts
Trinovid project is dead? Reading through...

Trinovid project is dead?

Reading through Bear83's recent report on the Biggest Week in American Birding, I came across this unwelcome news:

'I also asked the Leica rep if there was any news about...
Forum: Swarovski Sunday 2nd June 2019, 03:28
Replies: 14
Views: 1,586
Posted By John A Roberts
Jose The primary EL series chronology is: A)...

Jose

The primary EL series chronology is:
A) 1999 - EL x42 introduced (x32 followed in 2003)
B) 2009 - EL Swarovsion x42 introduced (with x50 in 2010 and x32 in 2011)


While the EL introduced a...
Showing results 1 to 25 of 159
 


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