
( Brand: Eastman ), ( Manufacturer Part Number: ES287 ), ( Type: Projection ), ( Country/region Of Manufacture: United States ), ( Film Format: Multi )
The Eastman Projection Anastigmat 1-2 4.5, model ES287, is a high-quality lens designed for use in projectors. This lens is known for its exceptional anastigmatism, which means it provides excellent image quality without any distortion, ensuring that the projected image is true to the original source.
The Eastman Projection Anastigmat 1-2 4.5 is a focal length lens, with a focal length of 4.5 inches. This makes it an ideal choice for projectors with a throw distance of 1 to 2 meters, as it allows for a large, clear image to be projected. The lens has a diaphragm with 8 blades, which provides a nearly circular aperture, resulting in smooth, evenly illuminated projections.
The lens is made of high-quality optical glass, which ensures clarity and sharpness of the projected image. It has a multi-coated surface, which reduces glare and reflections, ensuring that the image is bright and clear even in well-lit environments. The lens also has a wide aperture, which allows for more light to pass through, resulting in brighter projections.
The Eastman Projection Anastigmat 1-2 4.5 is designed to be easy to use and maintain. It has a mount that is compatible with most projectors, and it is lightweight and compact, making it easy to transport and install. The lens also has a protective cap to keep it clean and dust-free when not in use.
In summary, the Eastman Projection Anastigmat 1-2 4.5 is a high-quality, versatile lens that is perfect for use in projectors. Its anastigmatism ensures excellent image quality without distortion, its multi-coated surface reduces glare and reflections, and its wide aperture allows for bright projections. Its easy-to-use design and durable construction make it a reliable and long-lasting choice for any projector user.
Pros of buying a Eastman E287 Anastigmat 1-2 4.5 lens:1. Affordable: Compared to other lenses in its class, the Eastman E287 is relatively affordable, making it a great option for beginners or those on a budget.
2. Wide Angle: The lens has a wide angle of view, allowing you to capture more of the scene in a single shot.
3. Sharp Image: The lens produces sharp and clear images, thanks to its high-quality construction and good optics.
4. Lightweight and Compact: The lens is lightweight and compact, making it easy to carry around and use in various situations.
5. Versatile: The lens can be used for a variety of purposes, including landscape, portrait, and travel photography.
Cons of buying a Eastman E287 Anastigmat 1-2 4.5 lens:1. Limited Depth of Field: The lens has a limited depth of field, which means that only a small portion of the image will be in focus.
2. Manual Focus: The lens does not have an autofocus mechanism, which means that you will need to manually focus the lens to get a sharp image.
3. Limited Aperture Range: The lens has a limited aperture range, which means that you may not be able to achieve the desired depth of field or bokeh effect.
4. No Image Stabilization: The lens does not have image stabilization, which means that you may need to use a tripod or other stabilizing device to prevent camera shake.
Conclusion:The Eastman E287 Anastigmat 1-2 4.5 lens is a great option for beginners or those on a budget who are looking for a wide-angle lens for their camera. While it has some limitations, such as a limited depth of field and limited aperture range, its affordability, sharp image quality, and versatility make it a worthwhile investment. If you are willing to put in the extra effort to manually focus the lens and use a tripod, you can get great results with this lens.
Recommendation:If you are looking for a wide-angle lens that is affordable and offers great image quality, the Eastman E287 Anastigmat 1-2 4.5 lens is a great option to consider. However, if you need a lens with more features, such as autofocus and image stabilization, you may want to consider spending a bit more and investing in a higher-end lens. Ultimately, the best lens for you will depend on your specific needs and budget.
The lens will need cleaning no scratches they look clear in. There is no damage to the lens, threads are good iris working a little stiff. This is a vintage east projection anastigmat f:4.
I ship worldwide USPS offer free shipping within the continental us. This lens comes off a military r that was in storage at local collage.