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Search: Posts Made By: kabsetz
Forum: Kowa Wednesday 3rd April 2019, 20:29
Replies: 23
Views: 1,256
Posted By kabsetz
John, Back then, both I and Jan Meijerink...

John,

Back then, both I and Jan Meijerink conducted some further testing with other scopes also, some with metal bodies (Nikon Fieldscope) and some with polycarbonate (Kowa 823) and using a hot...
Forum: Swarovski Tuesday 2nd April 2019, 07:32
Replies: 62
Views: 4,918
Posted By kabsetz
When I tested the new CL Companions, I saw...

When I tested the new CL Companions, I saw considerably less CA than in the first version CL, enough of a difference that I noted in my Finnish language only, Linnut magazine review of them that had...
Forum: Kowa Tuesday 2nd April 2019, 07:28
Replies: 23
Views: 1,256
Posted By kabsetz
Years ago I noted serious heating effect problems...

Years ago I noted serious heating effect problems with black polycarbonate scopes. The image was a mess when sun shined on the scope body, corrected easily by having a white T-shirt over it. That...
Forum: Kowa Monday 1st April 2019, 07:22
Replies: 23
Views: 1,256
Posted By kabsetz
Looks like black rubber armoured version of the...

Looks like black rubber armoured version of the 883.

Unfortunately, I cannot turn the picture into a 95-100 mm scope no matter how I try.

Kimmo
Forum: Tripod and Heads Friday 15th March 2019, 18:55
Replies: 35
Views: 1,528
Posted By kabsetz
Henry, I'm thinking of trying out the GHF2W,...

Henry,

I'm thinking of trying out the GHF2W, partly due to your evaluation. My shopkeeper friend said the counterweight spring is a bit weak for the BTX 95, so it is conceivable that the Swarovski...
Forum: Binoculars Friday 1st March 2019, 10:23
Replies: 71
Views: 2,846
Posted By kabsetz
In my experience, the best performing binocular...

In my experience, the best performing binocular in low light, dusk, late evening, nighttime and pre-dawn, is Canon 10x42 L IS. This is due to its image stabiliser, which offers overwhelming benefits...
Forum: Spotting Scopes & tripod/heads Monday 25th February 2019, 20:50
Replies: 7
Views: 768
Posted By kabsetz
Dipped gave you good advice above. The 30x and...

Dipped gave you good advice above.

The 30x and 45x W eyepieces are harder to find, and are stuck at their fixed magnifications. The 25-50 Wide zoom is a more modern construction than either of those...
Forum: Canon Monday 25th February 2019, 20:24
Replies: 55
Views: 4,400
Posted By kabsetz
Henry, Thanks for the comments on the Hubble...

Henry,

Thanks for the comments on the Hubble Optics artificial star. You have saved me some trouble and a little bit of money. I may look into a fibre optics solution with a halogen light source...
Forum: Canon Sunday 24th February 2019, 17:19
Replies: 55
Views: 4,400
Posted By kabsetz
Henry, I was about to ask you about the IS...

Henry,

I was about to ask you about the IS benefits as I had thought that you glossed over that part of the performance rather briefly before, but now you have re-visited the topic. Thank you for...
Forum: Canon Sunday 10th February 2019, 16:38
Replies: 55
Views: 4,400
Posted By kabsetz
Hi Henry, Thanks for some splendid work yet...

Hi Henry,

Thanks for some splendid work yet again.

One thing strikes me as odd in the Canon lateral CA image: the aberrations closer to the center are purple fringing which is very prominent on the...
Forum: Binoculars Tuesday 29th January 2019, 19:12
Replies: 196
Views: 9,186
Posted By kabsetz
Justin, My opinion ever since I got my first...

Justin,

My opinion ever since I got my first pair of IS binoculars over fifteen years ago has been that non-stabilised binoculars are obsolete for most uses. I just no longer bother to bring this up...
Forum: Binoculars Tuesday 29th January 2019, 07:36
Replies: 196
Views: 9,186
Posted By kabsetz
Aspherical lenses would help in reducing...

Aspherical lenses would help in reducing aberrations, as Lee says, and are used in high-end astronomical refractors.

With binoculars, I don't see them coming soon, as most manufacturers seem to...
Forum: Canon Thursday 24th January 2019, 17:32
Replies: 78
Views: 9,480
Posted By kabsetz
Henry, Waiting for your comprehensive report....

Henry,

Waiting for your comprehensive report. I'm particularly interested in your take on the advantages or lack thereof of the stabilisation, as well as whether your ideas about non-stabilised...
Forum: Leica Tuesday 8th January 2019, 08:49
Replies: 5
Views: 390
Posted By kabsetz
Back when I tested the Apo-Televid82 angled, the...

Back when I tested the Apo-Televid82 angled, the measured weight of scope body, eyepiece and objective & eyepiece covers came to 1990g.

Kimmo
Forum: Canon Tuesday 1st January 2019, 08:37
Replies: 3
Views: 618
Posted By kabsetz
Canon IS binoculars should work well in freezing...

Canon IS binoculars should work well in freezing temperatures, but like Binastro says, not all batteries do equally well.

My current 10x42 L IS, however, does not like temperatures below zero...
Forum: Spotting Scopes & tripod/heads Thursday 27th December 2018, 13:25
Replies: 21
Views: 1,182
Posted By kabsetz
And to answer Brian's question, I can only echo...

And to answer Brian's question, I can only echo Pileatus: assuming you have a good sample of the Kowa 883, you already have what is one of the best scope designs and models for adverse atmospheric...
Forum: Spotting Scopes & tripod/heads Thursday 27th December 2018, 13:19
Replies: 21
Views: 1,182
Posted By kabsetz
In reference to what Henry says above (#4) about...

In reference to what Henry says above (#4) about optical aberrations compounding the effects of atmospheric turbulence in degrading the image of a telescope, I have used this in side-by-side...
Forum: Canon Friday 21st December 2018, 09:24
Replies: 4
Views: 719
Posted By kabsetz
The IS can offset collimation errors if adjusted...

The IS can offset collimation errors if adjusted by the manufacturer to do so. However, doing so would compromise image quality - more or less depending on how much error would be there...
Forum: Zeiss Wednesday 19th December 2018, 09:26
Replies: 8
Views: 976
Posted By kabsetz
From what I've heard, the stabiliser is somewhat...

From what I've heard, the stabiliser is somewhat fragile. Mainly problems have come from bumps and knocks during transportation, rather than use. I believe Zeiss provides instructions on handling,...
Forum: Binoculars Saturday 3rd November 2018, 17:07
Replies: 24
Views: 1,796
Posted By kabsetz
Stanbo gives good advice on measuring IPD in the...

Stanbo gives good advice on measuring IPD in the post above. I'll add that I've found it very convenient to make a template for setting the IPD quickly, as it takes the trial and guesswork out of the...
Forum: Binoculars Friday 12th October 2018, 19:26
Replies: 112
Views: 5,898
Posted By kabsetz
I have been using electronically stabilised...

I have been using electronically stabilised Canons as my primary birding binoculars for over 15 years by now, and have run out of batteries while birding maybe half-a-dozen times total. And if this...
Forum: Swarovski Thursday 11th October 2018, 18:49
Replies: 27
Views: 2,662
Posted By kabsetz
Binastro gave you good advice. It will take a...

Binastro gave you good advice. It will take a while to know if you really like the 12x better enough of the time to give up on the 8.5x. I know of a few birders who really do prefer higher mag...
Forum: Leica Thursday 4th October 2018, 19:05
Replies: 67
Views: 5,402
Posted By kabsetz
To my eyes, the 10x50 has been the best Leica...

To my eyes, the 10x50 has been the best Leica binocular since the introduction of the Trinovid BA. It has a wide, sharp view and much better edge performance than the 42mm models or the 8x50. It is...
Forum: Zeiss Saturday 22nd September 2018, 10:05
Replies: 35
Views: 4,623
Posted By kabsetz
Henry, Thanks for your "brief" review - which,...

Henry,

Thanks for your "brief" review - which, as usual, provides about ten times as much information than most other peoples' lengthy in-depth reviews.

I still have not had a chance to re-visit...
Forum: Swarovski Friday 7th September 2018, 07:33
Replies: 14
Views: 1,698
Posted By kabsetz
I'd agree. I have seen a few 95's that could be...

I'd agree. I have seen a few 95's that could be called lemons, but not many. These could very well show images inferior to a cherry 80 mm scope.

Most of the ATX 95's I have seen have been either...
Showing results 1 to 25 of 1000
 


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