How a lens creates an image

Discussion of optical systems and their characteristics.
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Nakedgun United States of America
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How a lens creates an image

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Post by Nakedgun »

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And, why aperture matters.

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Lady Fraktor Slovakia
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Re: How a lens creates an image

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Post by Lady Fraktor »

Interesting thoughts
Some refractors, eyepieces, mounts and related equipment
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StarHugger Online United States of America
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Re: How a lens creates an image

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Post by StarHugger »

Awesome graphics and well covered.

Thanks for sharing it.
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John Baars Netherlands
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Re: How a lens creates an image

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Post by John Baars »

Quite revealing!
Refractors in frequency of use : *SW Evostar 120ED F/7.5 (all round ), * Vixen 102ED F/9 (vintage), both on Vixen GPDX.
GrabnGo on Alt/AZ : *SW Startravel 102 F/5 refractor( widefield, Sun, push-to), *OMC140 Maksutov F/14.3 ( planets).
Most used Eyepieces: *Panoptic 24, *Morpheus 14, *Leica ASPH zoom, *Zeiss barlow, *Pentax XO5.
Commonly used bino's : *Jena 10X50 , * Canon 10X30 IS, *Swarovski Habicht 7X42, * Celestron 15X70, *Kasai 2.3X40
Rijswijk Public Observatory: * Astro-Physics Starfire 130 f/8, * 6 inch Newton, * C9.25, * Meade 14 inch LX600 ACF, *Lunt.
Amateur astronomer since 1970.
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