
( Brand: Georg Leitmeyr ), ( Model: WEITWINKEL ), ( Part Type: Board Finder ), ( Modified Item: No ), ( Country/region Of Manufacture: Germany ), ( Maximum Aperture: 6.8 )
The F-6.8 Georg Leitmeyr Wide Angle Anastigmat 90mm 6.8x0.9 Board Finder is an impressive optical tool designed for astronomers and stargazers. This instrument is a part of Georg Leitmeyer's renowned range of high-quality optical products, known for their precision and durability.
The F-6.8 Board Finder features a wide-angle 90mm objective lens, which allows for a broader field of view. This makes it ideal for locating and tracking celestial objects, especially those that are faint or have a small apparent size. The lens is made of high-quality glass and is coated with multiple layers of anti-reflection material to ensure maximum light transmission and clarity.
The instrument has an F-ratio of 6.8, which means it has a relatively fast aperture, allowing it to gather more light and produce brighter images. The 0.9 reduction factor makes it compatible with a wide range of telescopes, including those with a focal length of up to 1800mm.
The Finder is equipped with a 6.8x magnification eyepiece, which provides a clear and sharp image. The eyepiece is designed to be easy to focus, with a smooth and precise focus knob. The finder also has a 45-degree diagonal mirror, which allows the user to observe the sky comfortably, even when the finder is mounted at an angle.
The Finder is built to withstand the rigors of outdoor use. It has a robust aluminum body that is lightweight yet durable. The finder is also weatherproof, with a rubberized seal around the lens to protect it from moisture and dust.
Overall, the F-6.8 Georg Leitmeyer Wide Angle Anastigmat 90mm 6.8x0.9 Board Finder is an excellent tool for astronomers and stargazers. Its wide field of view, fast aperture, and high-quality optics make it ideal for locating and observing a wide range of celestial objects. Its durable and weatherproof design ensures that it can withstand the challenges of outdoor use, making it a reliable companion for your night sky adventures.
Pros of the F6.8 Georg Leitmayer Wide Angle Anastigmat 90mm 6.8 O-ring Finder:1. Wide Angle Lens: The 90mm focal length provides a wide-angle view, making it ideal for landscape photography or capturing a larger scene.
2. High Quality: Georg Leitmayer is known for producing high-quality optical equipment. This lens is made of glass with a multi-coated lens element, ensuring sharp images with minimal distortion and flare.
3. O-Ring Finder: The O-ring finder ensures that the lens is water and dust-resistant, making it suitable for outdoor photography in various weather conditions.
4. Compact and Lightweight: At 6.8 inches in length and weighing just over 1.5 lbs, the lens is lightweight and easy to carry, making it ideal for travel photography.
Cons of the F6.8 Georg Leitmayer Wide Angle Anastigmat 90mm 6.8 O-ring Finder:1. Price: The lens is relatively expensive, making it a significant investment for many photographers.
2. Lack of Autofocus: This lens is manual focus only, which may require more time and skill to achieve sharp images.
3. Lens Hood Not Included: A lens hood is not included with the purchase, which may be an additional cost for photographers who value lens protection.
Conclusion:The F6.8 Georg Leitmayer Wide Angle Anastigmat 90mm 6.8 O-ring Finder is a high-quality lens that offers a wide-angle view, water and dust resistance, and a compact design. However, its high price point and manual focus may be a drawback for some photographers. If you are looking for a high-quality wide-angle lens and are willing to invest in a premium product, this lens is a great option. If you are looking for a more budget-friendly option or prefer autofocus, you may want to consider other lenses.
Recommendation:If you are a landscape photographer or enjoy capturing wide-angle shots, the F6.8 Georg Leitmayer Wide Angle Anastigmat 90mm 6.8 O-ring Finder is a great investment. Its high-quality construction and water-resistant design make it ideal for outdoor photography. However, be prepared to pay a premium price and consider purchasing a lens hood for additional protection. If you are not interested in a wide-angle lens or prefer an autofocus option, there are other lenses available that may better suit your needs.
It comes with an original reflex viewfinder for a wide angle lens, product serial its in excellent condition. Its also in excellent condition. 8 view camera lens in a pronto SUV shutter and on board for crown or speed graphic. The glass is clear with no scratches, cloudiness or fungus.
This is a vintage, Georg Leitmeyr, Weitwinkel anastigmat 90mm f 6. The aperture is clean and smooth. The shutter speeds have not been tested but they all work and sound good, one second sounds like etc.