GOERZ Apochromat Dot Artar Copal Am 30IN 760MM 12.5

( Brand: Goerz ), ( Maximum Aperture: F/12.5 ), ( Lens Barrel Material: Aluminum ), ( Country/region Of Manufacture: United States ), ( Type: Process ), ( Focal Length: 30 /760mm Fixed/prime )

Review GOERZ 760mm Opt Apochromat Red Dot Artar 30in 12.5 Copal Incredible

The Goerz Optik GmbH 760mm Apo Artar 30" f/5.0 Dot Series Objective Lens is a high-quality, professional-grade telescope objective designed for astrophotography and deep-sky observation. This apochromatic refractor objective lens features a 760mm focal length, a focal ratio of f/5.0, and a 30-inch aperture, making it capable of capturing stunningly detailed and color-accurate images of distant celestial objects.

The lens is constructed with premium quality materials, including high-density flint and crown glass elements that are fully multi-coated to reduce chromatic aberration, scatter, and reflection. The lens also features a 12.5-inch diameter objective lens that provides ample light gathering capability, allowing for bright and clear images even in low light conditions.

The lens is equipped with a Copal #1 3-inch diameter aperture stop, which allows for easy filter installation and provides precise focus control. The lens barrel is made of aluminum and is finished with a black anodized coating, which not only provides a sleek and professional appearance but also helps to reduce heat buildup during long observation or imaging sessions.

The Goerz Optik GmbH 760mm Apo Artar 30" f/5.0 Dot Series Objective Lens is a versatile and powerful tool for serious astrophotographers and astronomers. With its large aperture, high focal length, and premium glass elements, this lens is capable of capturing breathtaking images of distant galaxies, nebulae, and star clusters. Additionally, the lens is compatible with a wide range of telescope mounts and accessories, making it a great investment for any serious astrophotography setup.

The Goerz Optik-Werke 760mm Apo Artar 30" f/5.6 Objective Lens is a high-end, large-format astrophotography lens. Here are some pros and cons to consider before making a purchase:

1. High-quality optics: The Goerz Artar lens is known for its excellent optical performance, with low chromatic aberration, excellent sharpness, and high contrast.

2. Large aperture: The f/5.6 aperture allows for a significant amount of light to enter the lens, making it ideal for capturing detailed images of deep-sky objects.

3. Large format: The 760mm focal length and 30" diameter provide a wide field of view, making it easy to capture large areas of the sky in a single frame.

4. Durable construction: The lens is built with high-quality materials, including a brass barrel and a Copal #1 shutter, making it durable and long-lasting.

1. High cost: The Goerz Artar lens is a high-end, professional-grade telescope lens, and it comes with a correspondingly high price tag.

2. Large size and weight: The 30" diameter and 12.5" focal length make the lens large and heavy, requiring a sturdy mount and a large observing site.

3. Limited availability: Due to its high cost and niche market, the Goerz Artar lens may not be widely available, making it more difficult to find and purchase.

In conclusion, the Goerz Optik-Werke 760mm Apo Artar 30" f/5.6 Objective Lens is a high-quality, large-format astrophotography lens with excellent optical performance, a large aperture, and a wide field of view. However, its high cost, large size and weight, and limited availability may make it a less practical choice for some potential buyers. Ultimately, the decision to purchase this lens depends on your specific needs, budget, and observing preferences. If you are a serious astrophotographer who values high-quality optics and is willing to invest in a large-format lens, the Goerz Artar may be a worthwhile investment. If not, there may be other options that better suit your needs and budget.

Details:

9in1: x 34in that being the case, lens board has been modified to allow widest effective aperture possible. Also suitable for photography of outdoor scenes, architectures, furniture and other large objects.

The first thing a photographer will notice while holding and reviewing mounted lens is that maximum aperture opening, though originally fixed at f 12.

From the Goerz American optical catalog, 1951: designed to meet special requirements of photoengraver for color separation and black white reproduction flat surface designs. The apochromat red artar 30in f 12.

1ina very fine example of a somewhat rare focal length , this magnificent lens, reworked for use on contemporary ultra large format cameras is testament to engineering expertise from its original design current implementation. The artar not only produces through various color filters images of equal sharpness at same focal plane, but negatives are also exactly size so that perfectly superimposing printing plates result in finishing process.

Optically the glass is smooth, clear, without fog, fungus, notable marks or visible abrasions. No one builds lenses like this any more. 5 to f 90 functional aperture range: 16 90 shutter speed 1 second 125th second, b, : sonar horseman lens diameter: 5, is now functionally f 16.

Specifications:focal length : 30in 760mmoptical construction: 4 elements, groups - air apochromat original aperture range: f 12. It is in superior condition and ready to go back work today. The modification works perfectly and allows lens to be deployed on any modern camera that can support weight necessary bellows draw required by focal length .

The listing of plate sizes for different ratios reproduction are based on use a reversing prism. The aperture scale is engraved directly on shutter. Included in this sale: 1-Goerz American optical apochromat red artar f 12.

21cm - copal no. The artar is truly achromatic, which means that a very high degree of correction has been attained in this lens for various color bands over entire visible spectrum.

Process lenses are optimized for large scale reproduction of flat artwork. Grimes front and rear lens caps.

It ships to you with custom 41cm to flange 3.

9 cm shutter diameter: 4in GSR veers 625 gs 6. The opening in shutter has less throat than original process mount calls for. Within the us:most items sold states are shipped by either ups ground or USPS priority mail though other carriers such as fed-ex and services express available upon request.

A ghost f 12. The lens in view here is a classic Goerz American optical company, inc. Without such a prism our artar lenses will cover an area about 15 larger than listed. 3 shutter, sonar horseman lens board, custom front rear lens caps this item is used, please see photos for detailed visual information.

3in1: x 26in apochromat red artar process lens mounted in a copal no. That aperture is f 16. Rest assured that your satisfaction is our concern.

3 length : 5 value is also inscribed. The lens offered here, serial number matched on front and rear elements, dates from mid-to-late 1950s. This is due to the physical constraints of contemporary shutter.

We ve been selling on since the autumn of x 23in1: 22in lens and shutter are mounted, again by grimes, a sonar horseman type board ready for use your ultra large format camera.

• $266.50-$999.00

specifications lephovi:

• brand: Goerz
• maximum aperture: F/12.5
• lens barrel material: Aluminum
• country/region of manufacture: United States
• type: Process
• focal length: 30 /760mm Fixed/prime

Seller lephovi:

• zipcode: 30309
• city: Atlanta, Georgia

Shipping lephovi:

• type: Calculated
• handling: 1 days

General lephovi:

• camerasphoto > vintage moviephotography > vintage lenses vintage movie photography
• in stock: Yes

Offer lephovi:

• quantity: 1
• Sold: 0
• min. bid: $2,699.95
• best offer: false
• bids: 0
• Started: December 23, 2016, 8:42 am

Payments lephovi:

• VisaMC
• Discover

Returns lephovi:

• policy: returns accepted
• details: Your item is guaranteed to arrive in a condition cosmetic and/or mechanical that matches both the written offer and detailed offer photos. Once you receive your item, we encourage you to fully inspect all of the cosmetic and mechanical conditions, making sure that everything matches how the item was described and photographed. If during this inspection you find any issues and/or discrepancies in how the item was described or photographed, please immediately so that we may have the opportunity to resolve your issue. We will only accept returns based on these discrepancies, meaning that we do not offer test drives or trial runs to see if you like the item. WE DO NOT ACCEPT NO QUESTIONS ASKED RETURNS. We also strongly suggest that you ask all questions be it cosmetic, mechanical, etc. before you decide to bid and/or purchase one of our items. Asking these questions will give you complete knowledge of your potential purchase and help us avoid any potential issues after the purchase has been made.
• type: Money Back
• time: 14 Days
• paid by: Buyer

Ratings:

1. quick shipping - item as described. nice 12-22-16
2. Article as described - sympathetic communication - fast delivery. perfect! 12-20-16
3. Exactly as described and shipped very fast. Thank you. 12-22-16
4. Honest good seller. 12-20-16
5. Perfect item, delivered quickly. Even more perfect service. Thank you! 12-19-16

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