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If the bottom of the box isn't white, glue a white piece of paper to the bottom. This makes it easier to see the projected image. Cut the ends off the box tabs as shown. This creates two openings, one for the foil the other for viewing. Tape aluminum foil over one of the openings. With a small (~ 3mm diameter) nail, push a hole through the foil. The size of the hole isn't critical, you can experiment with different sizes. Hold the finished pin-hole viewer with the sun shining on the pin-hole. The sun will be behind you. Never look directly at the sun! While looking in the opening, move the box until an image of the sun appears on the bottom. You are now safely viewing an image of the sun. This is a safe way to view an eclipse. An eclipse would look like this through your pin-hole viewer. Return to Projects Menu Return to Eclipse

Looking directly at the sun is extremely dangerous, damage to the retina occurs in a few seconds and is not reversible. During a solar eclipse (moon blocking the sun) it is very tempting to look directly at this event, doing so usually results in eye damage. The event can be safely viewed by looking at a projected image of the sun. A small hole in a piece of foil acts much like a lense, creating an image. A device that uses a small hole to create an image is called a pin-hole viewer. Building a Pin-Hole Viewer A cereal box makes an excellent pin-hole viewer. (Any box will do). If the bottom of the box isn't white, glue a white piece of paper to the bottom. This makes it easier to see the projected image. Cut the ends off the box tabs as shown. This creates two openings, one for the foil the other for viewing. Tape aluminum foil over one of the openings. With a small (~ 3mm diameter) nail, push a hole through the foil. The size of the hole isn't critical, you can experiment with different sizes. Hold the finished pin-hole viewer with the sun shining on the pin-hole. The sun will be behind you. Never look directly at the sun! While looking in the opening, move the box until an image of the sun appears on the bottom. You are now safely viewing an image of the sun. This is a safe way to view an eclipse. An eclipse would look like this through your pin-hole viewer. Return to Projects Menu Return to Eclipse

Building a Pin-Hole Viewer A cereal box makes an excellent pin-hole viewer. (Any box will do). If the bottom of the box isn't white, glue a white piece of paper to the bottom. This makes it easier to see the projected image. Cut the ends off the box tabs as shown. This creates two openings, one for the foil the other for viewing. Tape aluminum foil over one of the openings. With a small (~ 3mm diameter) nail, push a hole through the foil. The size of the hole isn't critical, you can experiment with different sizes. Hold the finished pin-hole viewer with the sun shining on the pin-hole. The sun will be behind you. Never look directly at the sun! While looking in the opening, move the box until an image of the sun appears on the bottom. You are now safely viewing an image of the sun. This is a safe way to view an eclipse. An eclipse would look like this through your pin-hole viewer. Return to Projects Menu Return to Eclipse

Need more info or have some questions about C-mount of CS-mount lenses? Fill out the form below and our team will be happy to assist you.

A cereal box makes an excellent pin-hole viewer. (Any box will do). If the bottom of the box isn't white, glue a white piece of paper to the bottom. This makes it easier to see the projected image. Cut the ends off the box tabs as shown. This creates two openings, one for the foil the other for viewing. Tape aluminum foil over one of the openings. With a small (~ 3mm diameter) nail, push a hole through the foil. The size of the hole isn't critical, you can experiment with different sizes. Hold the finished pin-hole viewer with the sun shining on the pin-hole. The sun will be behind you. Never look directly at the sun! While looking in the opening, move the box until an image of the sun appears on the bottom. You are now safely viewing an image of the sun. This is a safe way to view an eclipse. An eclipse would look like this through your pin-hole viewer. Return to Projects Menu Return to Eclipse

While looking in the opening, move the box until an image of the sun appears on the bottom. You are now safely viewing an image of the sun. This is a safe way to view an eclipse. An eclipse would look like this through your pin-hole viewer. Return to Projects Menu Return to Eclipse

Tape aluminum foil over one of the openings. With a small (~ 3mm diameter) nail, push a hole through the foil. The size of the hole isn't critical, you can experiment with different sizes. Hold the finished pin-hole viewer with the sun shining on the pin-hole. The sun will be behind you. Never look directly at the sun! While looking in the opening, move the box until an image of the sun appears on the bottom. You are now safely viewing an image of the sun. This is a safe way to view an eclipse. An eclipse would look like this through your pin-hole viewer. Return to Projects Menu Return to Eclipse

This makes CS-mount lenses well-suited for embedded vision applications where space is limited, such as in surveillance cameras and some machine vision systems.

NASA diyeclipse viewer

The shorter FFD of the CS-mount allows for more compact camera designs, as the lens can be positioned closer to the sensor.

With a small (~ 3mm diameter) nail, push a hole through the foil. The size of the hole isn't critical, you can experiment with different sizes. Hold the finished pin-hole viewer with the sun shining on the pin-hole. The sun will be behind you. Never look directly at the sun! While looking in the opening, move the box until an image of the sun appears on the bottom. You are now safely viewing an image of the sun. This is a safe way to view an eclipse. An eclipse would look like this through your pin-hole viewer. Return to Projects Menu Return to Eclipse

The event can be safely viewed by looking at a projected image of the sun. A small hole in a piece of foil acts much like a lense, creating an image. A device that uses a small hole to create an image is called a pin-hole viewer. Building a Pin-Hole Viewer A cereal box makes an excellent pin-hole viewer. (Any box will do). If the bottom of the box isn't white, glue a white piece of paper to the bottom. This makes it easier to see the projected image. Cut the ends off the box tabs as shown. This creates two openings, one for the foil the other for viewing. Tape aluminum foil over one of the openings. With a small (~ 3mm diameter) nail, push a hole through the foil. The size of the hole isn't critical, you can experiment with different sizes. Hold the finished pin-hole viewer with the sun shining on the pin-hole. The sun will be behind you. Never look directly at the sun! While looking in the opening, move the box until an image of the sun appears on the bottom. You are now safely viewing an image of the sun. This is a safe way to view an eclipse. An eclipse would look like this through your pin-hole viewer. Return to Projects Menu Return to Eclipse

Printableeclipse viewer

Hold the finished pin-hole viewer with the sun shining on the pin-hole. The sun will be behind you. Never look directly at the sun! While looking in the opening, move the box until an image of the sun appears on the bottom. You are now safely viewing an image of the sun. This is a safe way to view an eclipse. An eclipse would look like this through your pin-hole viewer. Return to Projects Menu Return to Eclipse

A small hole in a piece of foil acts much like a lense, creating an image. A device that uses a small hole to create an image is called a pin-hole viewer. Building a Pin-Hole Viewer A cereal box makes an excellent pin-hole viewer. (Any box will do). If the bottom of the box isn't white, glue a white piece of paper to the bottom. This makes it easier to see the projected image. Cut the ends off the box tabs as shown. This creates two openings, one for the foil the other for viewing. Tape aluminum foil over one of the openings. With a small (~ 3mm diameter) nail, push a hole through the foil. The size of the hole isn't critical, you can experiment with different sizes. Hold the finished pin-hole viewer with the sun shining on the pin-hole. The sun will be behind you. Never look directly at the sun! While looking in the opening, move the box until an image of the sun appears on the bottom. You are now safely viewing an image of the sun. This is a safe way to view an eclipse. An eclipse would look like this through your pin-hole viewer. Return to Projects Menu Return to Eclipse

Pinholeeclipse viewer

Cut the ends off the box tabs as shown. This creates two openings, one for the foil the other for viewing. Tape aluminum foil over one of the openings. With a small (~ 3mm diameter) nail, push a hole through the foil. The size of the hole isn't critical, you can experiment with different sizes. Hold the finished pin-hole viewer with the sun shining on the pin-hole. The sun will be behind you. Never look directly at the sun! While looking in the opening, move the box until an image of the sun appears on the bottom. You are now safely viewing an image of the sun. This is a safe way to view an eclipse. An eclipse would look like this through your pin-hole viewer. Return to Projects Menu Return to Eclipse

How to makeeclipse viewerwith cereal box

You can attach a C-mount lens to a CS-mount camera by using a 5mm adapter ring. This ring fills the gap caused by the shorter flange distance in CS-mount cameras, ensuring proper focusing of the C-mount lens.

In terms of compatibility, the C-mount standard is more widely used, offering a broader selection of lenses from various makers. C-mount lenses are versatile, working with both C-mount and CS-mount cameras.

However, CS-mount lenses are often cheaper as they use fewer glass elements. Both types support a maximum sensor size of 1.1", so they're not suitable for larger sensors found in high resolution cameras, which may require a different lens mount, such as the F-mount.

Eclipse viewertube

We have a large portfolio of machine vision lenses available online. Additionally, we offer some custom solutions for lenses, ensuring you find the best fit for your machine vision system. Explore our portfolio of machine vision cameras, where the standard mount is C-mount, but we also provide options to select CS-mount or S-mount(M12 mount) in some models.

Unfortunately, directly mounting a CS-mount lens onto a C-mount camera is not feasible. The shorter design of the CS-mount lens prevents it from reaching the correct focal point due to the additional space in a C-mount camera.

When choosing between C-mount and CS-mount for a machine vision application, the key considerations are the available space, the required lens characteristics, and the desired cost-effectiveness. C-mount offers a wider selection of lenses and is more versatile, while CS-mount is better suited for compact designs and cost-sensitive applications.

Eclipse viewertemplate

Because of the unpredictable delivery reliability of CS-mount lenses, we do not carry this standard in our online store. However, we do provide them for volume projects starting from 100 pieces per year. Typically, the prices for these lenses range between 8 and 25 euros per unit. Moreover, we offer customization options for the iris. If you're interested in acquiring these lenses, please inform us.

Because of this difference, you can't directly attach C-mount lenses to a CS-mount camera. However, you can use C-mount lenses on a CS-mount camera by using a 5mm adapter ring. The shorter FFD of CS-mount lenses makes them incompatible with C-mount cameras.

Solareclipse viewerbox

Cereal boxeclipse viewerNASA

Durability: Designed for industrial environments, C-mount lenses can withstand tough conditions like vibrations and temperature extremes.

C-mount and CS-mount are two common lens mounts used in machine vision. They're similar in many ways, but there are important differences to consider when choosing the right one for your machine vision setup.

Secure Mounting: Strong and stable attachment between the lens and camera is ensured by the screw-threaded connection, ideal for applications requiring stability.

The main difference between C-mount and CS-mount is the flange focal distance (FFD), which is the distance between the lens mounting surface and the image sensor. C-mount has an FFD of 17.526 mm, while CS-mount has a shorter FFD of 12.5 mm.

Versatility: C-mount lenses work with a wide range of image sensors, making them compatible with various machine vision cameras.