![amateur observing - Challenges when trying to build a telescope using two lenses - Astronomy Stack Exchange amateur observing - Challenges when trying to build a telescope using two lenses - Astronomy Stack Exchange](https://i.stack.imgur.com/sWFZr.jpg)
amateur observing - Challenges when trying to build a telescope using two lenses - Astronomy Stack Exchange
![What will be the ratio of the resolving powers of two convex lenses used as objective lens in astronomical telescope, having same focal length and apertures as A1 and A2 (A1 > What will be the ratio of the resolving powers of two convex lenses used as objective lens in astronomical telescope, having same focal length and apertures as A1 and A2 (A1 >](https://doubtnut-static.s.llnwi.net/static/web-thumb/415579824_web.png)
What will be the ratio of the resolving powers of two convex lenses used as objective lens in astronomical telescope, having same focal length and apertures as A1 and A2 (A1 >
![homework and exercises - Magnification of an astronomical telescope not in normal adjustment? - Physics Stack Exchange homework and exercises - Magnification of an astronomical telescope not in normal adjustment? - Physics Stack Exchange](https://i.stack.imgur.com/3o4bB.png)
homework and exercises - Magnification of an astronomical telescope not in normal adjustment? - Physics Stack Exchange
The objective and eyepiece of an astronomical telescope are doubled convex lenses with refractive index 1.5 . When the telescope is adjusted to infinity, the separation between the two lenses is 16
![Refracting Telescopes. This kind of telescope also has two convex lenses, the objective lens and the eyepiece. - ppt download Refracting Telescopes. This kind of telescope also has two convex lenses, the objective lens and the eyepiece. - ppt download](https://slideplayer.com/7224188/24/images/slide_1.jpg)
Refracting Telescopes. This kind of telescope also has two convex lenses, the objective lens and the eyepiece. - ppt download
![The focal lengths of the objective and eyepiece of a telescope are 60cm and 5cm respectively.The telescope is focused on an object 360cm from the objective and the final image is formed The focal lengths of the objective and eyepiece of a telescope are 60cm and 5cm respectively.The telescope is focused on an object 360cm from the objective and the final image is formed](https://dwes9vv9u0550.cloudfront.net/images/155360/66b48906-16ae-4c88-b822-5d7e8043a15e.jpg)
The focal lengths of the objective and eyepiece of a telescope are 60cm and 5cm respectively.The telescope is focused on an object 360cm from the objective and the final image is formed
![Will these simple 2 convex lens arrangement telescope see the moon clearly? - Astronomy Stack Exchange Will these simple 2 convex lens arrangement telescope see the moon clearly? - Astronomy Stack Exchange](https://i.stack.imgur.com/xyxw2.png)
Will these simple 2 convex lens arrangement telescope see the moon clearly? - Astronomy Stack Exchange
![Simplified schematic of a Keplerian telescope with two convex lenses,... | Download Scientific Diagram Simplified schematic of a Keplerian telescope with two convex lenses,... | Download Scientific Diagram](https://www.researchgate.net/publication/271839780/figure/fig3/AS:392076379344935@1470489701874/Simplified-schematic-of-a-Keplerian-telescope-with-two-convex-lenses-showing-the-exit.png)