Jump to content

  •  

CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay.

Photo

80 900 binoculars

  • Please log in to reply
23 replies to this topic

#1 Zhangshihan

Zhangshihan

    Explorer 1

  • -----
  • topic starter
  • Posts: 58
  • Joined: 16 Jun 2018

Posted 07 October 2019 - 03:09 AM

Thismillimeter glass F11 binoculars, I am inspired by Zhang painting, is fascinated by the mirror in the picture. So we made a prism with two 80900 refracting mirrors and a microscope. I am amazed at the sharp image of the prism. Compared with astronomical eyepiece, microscopic eyepiece has the advantages of sharpness and transparency, but the field of vision is not very wide, but for respecting classics, this is enough.

1a60146d638cd28c.jpg

 

IMG_20190930_210414.jpg

 

IMG_20190930_000519.jpg

 

IMG_20191005_072959.jpg

 

IMG_20191005_074413.jpg

 

IMG_20191005_070416.jpg

 

IMG_20190930_235857.jpg


  • Paul Hyndman, tim53, JIMZ7 and 13 others like this

#2 SiriusLooker

SiriusLooker

    Sputnik

  • *****
  • Posts: 47
  • Joined: 24 Oct 2006
  • Loc: Sedona, Arizona, USA, Earth, MilkyWay.

Posted 07 October 2019 - 03:36 AM

Impressive..

 I have been to Grand Canyon many times, every year for 28yrs since I live in Northern Arizona. I have seen this style scope there. Impressive you duplicated it.. Amazing how even back then they had some great optics at hand.. I will be going back next month for offering my services to show the transit of Mercury across the Sun. I will visit this room again, and maybe get some closeup shots of this historical binos there, or what may be a reproduction. Never look too close at it. I believe it was not a working unit. My remembering sadly is not as good as it use to be. Binos are my thing too, as you can see from my signature info... Any case my hat off to you for your stunning project.

  Dennis


  • tim53 and Zhangshihan like this

#3 Zhangshihan

Zhangshihan

    Explorer 1

  • -----
  • topic starter
  • Posts: 58
  • Joined: 16 Jun 2018

Posted 07 October 2019 - 03:52 AM

Impressive..

 I have been to Grand Canyon many times, every year for 28yrs since I live in Northern Arizona. I have seen this style scope there. Impressive you duplicated it.. Amazing how even back then they had some great optics at hand.. I will be going back next month for offering my services to show the transit of Mercury across the Sun. I will visit this room again, and maybe get some closeup shots of this historical binos there, or what may be a reproduction. Never look too close at it. I believe it was not a working unit. My remembering sadly is not as good as it use to be. Binos are my thing too, as you can see from my signature info... Any case my hat off to you for your stunning project.

  Dennis

Thank you very much for sharing your experience. Seeing the picture of the Grand Canyon, I was fascinated by two people in binoculars and paintings. I think they are very much like me and my wife. Although this mirror is not very similar to the imitation, I am still satisfied. Maybe I'll add a couple of eyeglasses and some upgrades in the future.



#4 SiriusLooker

SiriusLooker

    Sputnik

  • *****
  • Posts: 47
  • Joined: 24 Oct 2006
  • Loc: Sedona, Arizona, USA, Earth, MilkyWay.

Posted 07 October 2019 - 12:51 PM

I am a bit confuse by your statement,  "is fascinated by the mirror in the picture" at top of article, and again above (although this mirror)?  Are you referring to the (telescope) as mirror or something else?


  • Zhangshihan likes this

#5 CharlieB

CharlieB

    Skylab

  • *****
  • Moderators
  • Posts: 4467
  • Joined: 11 Dec 2007
  • Loc: Southern NH

Posted 07 October 2019 - 01:28 PM

I am a bit confuse by your statement,  "is fascinated by the mirror in the picture" at top of article, and again above (although this mirror)?  Are you referring to the (telescope) as mirror or something else?

I suspect it's just a translation artifact.  Try going to a Japanese or Chinese site and use a Chrome browser or Google Translate.  You get some odd translations of idiomatic phrases.


  • wfj and Chuck Hards like this

#6 Terra Nova

Terra Nova

    ISS

  • *****
  • Posts: 20541
  • Joined: 29 May 2012
  • Loc: Middle Earth

Posted 07 October 2019 - 02:15 PM

That binocular telescope in the postcard is an early Zeiss is it not?


  • tim53 likes this

#7 CharlieB

CharlieB

    Skylab

  • *****
  • Moderators
  • Posts: 4467
  • Joined: 11 Dec 2007
  • Loc: Southern NH

Posted 07 October 2019 - 03:34 PM

Sure looks like it.



#8 Zhangshihan

Zhangshihan

    Explorer 1

  • -----
  • topic starter
  • Posts: 58
  • Joined: 16 Jun 2018

Posted 07 October 2019 - 06:44 PM

I am a bit confuse by your statement, "is fascinated by the mirror in the picture" at top of article, and again above (although this mirror)? Are you referring to the (telescope) as mirror or something else?

Thank you for your question. This is really the job of translation software. Mirrors refer to my binoculars.

#9 Zhangshihan

Zhangshihan

    Explorer 1

  • -----
  • topic starter
  • Posts: 58
  • Joined: 16 Jun 2018

Posted 11 October 2019 - 03:06 AM

Some new Olympus eyeglasses have been purchased. These small eyeglasses have very small field of vision, but they can provide sharp and low color aberration imaging, and have flat field effect. I also purchased two Carl Zeiss eyeglasses, which were supposed to be made in the 1970s. The glass is not coated, and I hope to have a sharp imaging performance as well.

IMG_20191010_193108.jpg

 

IMG_20191010_221552.jpg

 

IMG_20191010_221607.jpg


  • tim53, terraclarke and jcruse64 like this

#10 Zhangshihan

Zhangshihan

    Explorer 1

  • -----
  • topic starter
  • Posts: 58
  • Joined: 16 Jun 2018

Posted 13 October 2019 - 10:05 PM

DSCF5580.JPG

 

DSCF5581.JPG

 

DSCF5582.JPG

 

DSCF5583.JPG

 

DSCF5587.JPG

 

DSCF5588.JPG

 

DSCF5588.JPG

 

DSCF5589.JPG


  • astro140, terraclarke and jcruse64 like this

#11 CharlieB

CharlieB

    Skylab

  • *****
  • Moderators
  • Posts: 4467
  • Joined: 11 Dec 2007
  • Loc: Southern NH

Posted 13 October 2019 - 10:21 PM

Those eyepieces look like microscope eyepieces.  I use a Zeiss microscope binocular head with many different microscope eyepiece pairs and the work very well.  Very nice telescope you have made!

Attached Thumbnails

  • swift831.jpg

  • terraclarke, jcruse64 and Zhangshihan like this

#12 Zhangshihan

Zhangshihan

    Explorer 1

  • -----
  • topic starter
  • Posts: 58
  • Joined: 16 Jun 2018

Posted 13 October 2019 - 10:43 PM

Those eyepieces look like microscope eyepieces.  I use a Zeiss microscope binocular head with many different microscope eyepiece pairs and the work very well.  Very nice telescope you have made!

Hello, thank you for your compliment. This is really a microscopic eyepiece. Occasionally, I use a microscopic eyepiece on an astronomical telescope and get good results. I think these microscopes should be very good at observing planets. It has simple structure, flat field effect and sharp imaging.



#13 Zhangshihan

Zhangshihan

    Explorer 1

  • -----
  • topic starter
  • Posts: 58
  • Joined: 16 Jun 2018

Posted 13 October 2019 - 10:44 PM

Those eyepieces look like microscope eyepieces.  I use a Zeiss microscope binocular head with many different microscope eyepiece pairs and the work very well.  Very nice telescope you have made!

But the only drawback is that the field of vision is very narrow.



#14 Zhangshihan

Zhangshihan

    Explorer 1

  • -----
  • topic starter
  • Posts: 58
  • Joined: 16 Jun 2018

Posted 13 October 2019 - 10:51 PM

Carl Zeiss Jena 10X Microscopic Eyepiece.

001338ykihvuv90h0u3hpp.jpg

 

001349otx2dx1ht2ditp3t.jpg


  • terraclarke likes this

#15 Zhangshihan

Zhangshihan

    Explorer 1

  • -----
  • topic starter
  • Posts: 58
  • Joined: 16 Jun 2018

Posted 16 October 2019 - 08:51 PM

IMG_20191017_064930.jpg

IMG_20191017_082344.jpg

LYCRA10X18

 

奥林巴斯.jpg

OLYMPUS10Xbi

 

[attachment=1358151:蔡司.jpg

carl zeiss10x

Attached Thumbnails

  • 蔡司.jpg

  • terraclarke likes this

#16 wfj

wfj

    Surveyor 1

  • *****
  • Posts: 1741
  • Joined: 10 Jan 2008
  • Loc: California, Santa Cruz County

Posted 17 October 2019 - 12:53 PM

I have two Towa 80 x 1200 that I've been tempted to use like this.


  • Zhangshihan likes this

#17 Terra Nova

Terra Nova

    ISS

  • *****
  • Posts: 20541
  • Joined: 29 May 2012
  • Loc: Middle Earth

Posted 17 October 2019 - 01:11 PM

Wow! I seem to remember someone in the refractor forum did that with a pair of Tak TOA-130s!


  • Zhangshihan likes this

#18 Zhangshihan

Zhangshihan

    Explorer 1

  • -----
  • topic starter
  • Posts: 58
  • Joined: 16 Jun 2018

Posted 17 October 2019 - 09:26 PM

I have two Towa 80 x 1200 that I've been tempted to use like this.

If the 80x1200 is combined into a binoculars, the imaging will be really great. However, the long focus binoculars are not sensitive to dim light. It should be very effective to see the planet moon!



#19 Zhangshihan

Zhangshihan

    Explorer 1

  • -----
  • topic starter
  • Posts: 58
  • Joined: 16 Jun 2018

Posted 17 October 2019 - 09:27 PM

Wow! I seem to remember someone in the refractor forum did that with a pair of Tak TOA-130s!

Hello, I saw in a book that someone used 100f6 to make this kind of binoculars.


  • terraclarke likes this

#20 Zhangshihan

Zhangshihan

    Explorer 1

  • -----
  • topic starter
  • Posts: 58
  • Joined: 16 Jun 2018

Posted 18 October 2019 - 11:19 PM

I made a case for my 80900 binoculars, which can be well protected when I go out for observation.

IMG_20191019_120922.jpg

 

IMG_20191019_120938.jpg

 

IMG_20191019_120952.jpg


  • wfj, terraclarke, TSSClay and 1 other like this

#21 Zhangshihan

Zhangshihan

    Explorer 1

  • -----
  • topic starter
  • Posts: 58
  • Joined: 16 Jun 2018

Posted 20 October 2019 - 04:06 AM

Today, my swh10x23 eyepiece arrived! After experimenting with the flowers and plants outside, we can say that these eyepieces are the best Chinese eyepieces I have ever used. Color difference pressure is very low, bright color, sharp imaging details are very many! Changed my impression of the lack of gray details of eyepiece color made in China! But it's a pity that my Nikon prism is not enough, and there is edge cutting phenomenon, but I use it myself and ignore it! What a surprise!

#22 Kiriakos_GR

Kiriakos_GR

    Vostok 1

  • -----
  • Posts: 128
  • Joined: 30 Aug 2019
  • Loc: Central, Greece

Posted 20 October 2019 - 05:09 AM

After experimenting with the flowers and plants outside, we can say that these eyepieces are the best Chinese eyepieces I have ever used. Color difference pressure is very low, bright color, sharp imaging details are very many! Changed my impression of the lack of gray details of eyepiece color made in China! But it's a pity that my Nikon prism is not enough, and there is edge cutting phenomenon, but I use it myself and ignore it! What a surprise!

From the pots and up to the dark sky there is a great distance  among with different quality requirements.

I will be more specific, the acceptable quality eyepiece it should deliver minimum geometry distortion and work best at night.

 

There is no Chinese lens coming close to Olympus and Nikon performance, except if you are dreaming under day light. 



#23 Zhangshihan

Zhangshihan

    Explorer 1

  • -----
  • topic starter
  • Posts: 58
  • Joined: 16 Jun 2018

Posted 21 October 2019 - 02:00 AM

From the pots and up to the dark sky there is a great distance  among with different quality requirements.

I will be more specific, the acceptable quality eyepiece it should deliver minimum geometry distortion and work best at night.

 

There is no Chinese lens coming close to Olympus and Nikon performance, except if you are dreaming under day light. 

Hello, actually, I think Nikon's eyepiece effect is not as good as Olympus.



#24 Zhangshihan

Zhangshihan

    Explorer 1

  • -----
  • topic starter
  • Posts: 58
  • Joined: 16 Jun 2018

Posted 21 October 2019 - 08:48 PM

The grass on the opposite mountain was shot with 10x23 eyepiece made in China. The image clarity and detail performance of eyepiece are very good, but the saturation of eyepiece in China is not strong, which is a pity. It has a large field of vision, and the image of the cutting field is very flat, which is its biggest advantage. The price of $3.50 is also an advantage, haha.

IMG_20191022_081653.jpg

 

IMG_20191022_081748.jpg

 

IMG_20191022_082443.jpg

 

IMG_20191022_082605.jpg

 

wx_camera_1571703631742.jpg




CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Donation is not required by any means, so please enjoy your stay.


Recent Topics






Cloudy Nights LLC
Cloudy Nights Sponsor: Astronomics