Join for FREE
It only takes a minute!
Zeiss - Always on the lookout for something special ‚Äď Shop now

Welcome to BirdForum.
BirdForum is the net's largest birding community, dedicated to wild birds and birding, and is absolutely FREE! You are most welcome to register for an account, which allows you to take part in lively discussions in the forum, post your pictures in the gallery and more.

Showing results 1 to 25 of 1000
Search took 0.10 seconds.
Search: Posts Made By: WJC
Forum: Binoculars Monday 3rd February 2020, 16:54
Replies: 35
Views: 1,155
Posted By WJC
Please consider the much touted SEA SALT. Except...

Please consider the much touted SEA SALT. Except for some created in a lab, what salt does NOT come from the sea—current or dead—or a large lake ... none. Yet, it is much easier to believe misleading...
Forum: Binoculars Monday 3rd February 2020, 00:38
Replies: 35
Views: 1,155
Posted By WJC
Yet, the wise should beware; aspheric is NOT a...

Yet, the wise should beware; aspheric is NOT a magic word. And even salt can look like sugar. There is no doubt we have the technology. That, however, does not mean that technology has been used....
Forum: Binoculars Wednesday 29th January 2020, 19:15
Replies: 109
Views: 4,389
Posted By WJC
Or from the standpoint of a birder who has spent...

Or from the standpoint of a birder who has spent a lifetime in optical design, manufacturing, repair, calibration, and collimation and who can spot opto-irrelevance from a mile away. :cat:

Bill
Forum: Binoculars Tuesday 21st January 2020, 20:18
Replies: 109
Views: 4,389
Posted By WJC
From the Navy's OM 3 & 2. :cat: Bill

From the Navy's OM 3 & 2. :cat:

Bill
Forum: Binoculars Monday 20th January 2020, 00:18
Replies: 3
Views: 471
Posted By WJC
Hi Rickenbacker, You may note that a binocular...

Hi Rickenbacker,

You may note that a binocular with a camera built-in will usually cost less than a cheap bino and cheap camera sold separately. There's a reason for that.

Rickenbacker or Schecter...
Forum: Binoculars Friday 17th January 2020, 19:16
Replies: 132
Views: 7,204
Posted By WJC
200117 Hi, Omid, Friends donít let friends use...

200117

Hi, Omid,

Friends donít let friends use ZOOM binoculars.

I number of times, people, with ZERO optical experience, have taken it upon themselves to corroborate something Iíve said. I never...
Forum: Binoculars Friday 17th January 2020, 17:47
Replies: 109
Views: 4,389
Posted By WJC
Attached

Attached :cat:
Forum: Zeiss Thursday 16th January 2020, 22:43
Replies: 21
Views: 1,167
Posted By WJC
Transmission

200116

Considering our physiological differences, accommodations, and the fact that a binocular manufactured Tuesday at 9:00 a.m. will differ slightly from the “same” binocular manufactured Thursday...
Forum: Binoculars Thursday 16th January 2020, 18:02
Replies: 156
Views: 5,400
Posted By WJC
Physiology

200116

Hi, interoception,

I rarely enter the realm of neurosciences. I believe the last time was when I stubbed my little toe on a large, heavy stool that found its way to the middle of my hallway...
Forum: Binoculars Wednesday 15th January 2020, 23:54
Replies: 12
Views: 643
Posted By WJC
200115 One of the most blatant distortions used...

200115

One of the most blatant distortions used to teach people about optics is the myriad drawings showing light passing through a system and coming to a point at the focal point. This, however,...
Forum: Binoculars Wednesday 15th January 2020, 21:14
Replies: 156
Views: 5,400
Posted By WJC
Oh, that you would be correct.:cat: BC

Oh, that you would be correct.:cat:

BC
Forum: Binoculars Wednesday 15th January 2020, 19:36
Replies: 156
Views: 5,400
Posted By WJC
Don't blame the clown for being a clown; blame...

Don't blame the clown for being a clown; blame yourself for going to the circus ... guilty! :cat:

BC
Forum: Binoculars Wednesday 15th January 2020, 01:24
Replies: 156
Views: 5,400
Posted By WJC
200114 Rico70: Rico, I think you are trying to...

200114

Rico70:

Rico, I think you are trying to offend the wrong people. Most folks have been exceptionally kind and patient with you. I speak with people from all over the world ... every week...
Forum: Binoculars Tuesday 14th January 2020, 22:54
Replies: 156
Views: 5,400
Posted By WJC
"The enemy of knowledge is not ignorance, it's...

"The enemy of knowledge is not ignorance, it's the illusion of knowledge." ó Dr. Stephen Hawking
Forum: Binoculars Tuesday 14th January 2020, 22:50
Replies: 7
Views: 471
Posted By WJC
Oh, you mean like Carton's "fernglasser"?...

Oh, you mean like Carton's "fernglasser"? 8-P

Bill
Forum: Binoculars Tuesday 14th January 2020, 19:21
Replies: 7
Views: 471
Posted By WJC
An M. Hensoldt clone? BC

An M. Hensoldt clone?

BC
Forum: Nikon Tuesday 14th January 2020, 18:43
Replies: 98
Views: 4,205
Posted By WJC
Steve, While magnification does not cause...

Steve,

While magnification does not cause Chromatic Aberration, it certainly can increase or decrease its degree. Some people think the objective is the culprit in creating CA. However, while it is...
Forum: Binoculars Monday 13th January 2020, 04:30
Replies: 156
Views: 5,400
Posted By WJC
I can't. Those things are almost as costly as a...

I can't. Those things are almost as costly as a WX. :cat:

BC
Forum: Binoculars Monday 13th January 2020, 04:06
Replies: 156
Views: 5,400
Posted By WJC
"light power?" in my next 45 years as an optical...

"light power?" in my next 45 years as an optical engineer and tech I hope to learn what that is. :cat:

BC
Forum: Nikon Tuesday 7th January 2020, 03:14
Replies: 98
Views: 4,205
Posted By WJC
Chromatic Aberration, which might cause the...

Chromatic Aberration, which might cause the rational observer no trouble ... even if it was noticed, can drive many observers to distraction.

When I was with Captainís, I developed a fairly accurate...
Forum: Binoculars Monday 6th January 2020, 00:58
Replies: 156
Views: 5,400
Posted By WJC
Hi, Rico70, I certainly donít want to get in...

Hi, Rico70,

I certainly donít want to get in trouble with you, as I have my hands full with another on this forum. So, I will make it short:

There is no need for solid research on this.

ó A 7x...
Forum: Leupold Sunday 5th January 2020, 20:29
Replies: 4
Views: 630
Posted By WJC
Hi, Bob: I would accept, "perfect for all...

Hi, Bob:

I would accept, "perfect for all PRACTICAL purposes." But "perfect" is a misnomer. 3:-) At least they spelled BaK4 correctly, as opposed to bak4, Bak 4, BAK 4, BAK4, and "Back 4." Sadly,...
Forum: Leupold Saturday 4th January 2020, 23:41
Replies: 4
Views: 630
Posted By WJC
Hi, Dave, I hope you sell your binos. However,...

Hi, Dave,

I hope you sell your binos. However, for a time Leupold ASSEMBLED two pocket models from Asian parts. They do not nowónor have they everó MANUFACTURED binoculars.

That said, if it's...
Forum: Nikon Friday 3rd January 2020, 02:43
Replies: 98
Views: 4,205
Posted By WJC
And then we have the old fellow who told me the...

And then we have the old fellow who told me the ship-mounted bino he used during WWII was a “1,000 power.” He didn’t know that he was talking to a Navy Opticalman who had been inside every model ever...
Forum: Binoculars Friday 3rd January 2020, 00:58
Replies: 156
Views: 5,400
Posted By WJC
Jan, Glad to see you, again! BC

Jan,

Glad to see you, again!

BC
Showing results 1 to 25 of 1000
 


Fatbirder's Top 1000 Birding Websites

Help support BirdForum

Page generated in 0.23409104 seconds with 10 queries
All times are GMT. The time now is 13:35.