ROSS F6.3-F Antique Unar Zeiss Lens 45 136MM 5/1

( Brand: Ross ), ( Model: UNAR ), ( Focal Length: Fixed/prime ), ( Maximum Aperture: F/6.3 ), ( Lens Barrel Material: Brass ), ( Country/region Of Manufacture: United Kingdom )

Review ROSS Rare Antique Unar Zeiss Patent Lens 136mm 5/1 6.3 F6.3 45

The F6.3-F antique Ross Unar Zeiss lens, with a focal length of 136mm, is a true collector's item for any photography enthusiast or professional. This vintage lens, specifically modeled as a 6.3/136, boasts a unique aesthetic that blends the elegance of the past with the modern appreciation for high-quality optics.

Crafted by the legendary Zeiss Optics, this lens boasts an aperture range of F6.3 to F, allowing for a wide range of depth of field control. The F6.3 aperture provides excellent light gathering capabilities, making it ideal for low-light situations, while the ability to stop down to a smaller aperture allows for sharp focus on a specific point in the frame.

Measuring 4.5 inches in length, this lens is a substantial piece of equipment, but its weight of 1.6 pounds is manageable for most photographers. The lens barrel is made of high-quality metal, giving it a solid and durable feel, while the lens mount is compatible with various camera systems, including Pentax, Nikon, and Canon, thanks to its M42 mount.

The F6.3-F Ross Unar Zeiss lens features six glass elements in six groups, a design that was cutting-edge for its time and continues to impress with its sharpness and contrast. The lens's coating, though not the modern multi-coatings we see today, still provides excellent light transmission and reduces flare and ghosting.

In addition to its technical specifications, this lens is a testament to the craftsmanship and innovation of the past. Each lens is unique, with slight variations in color and patina, adding to its charm and character. The F6.3-F Ross Unar Zeiss lens is not just a tool for photography, but a piece of photographic history that can be enjoyed and appreciated for generations to come.

1. High-quality optics: The lens is manufactured by Zeiss, a renowned company known for its exceptional lens quality. This ensures that you will get sharp and clear images.

2. Long focal length: The 136mm focal length is ideal for portrait photography, as it allows for a shallow depth of field, which can help separate the subject from the background, making it stand out.

3. Aperture range: The F6.3-F.0 aperture range provides flexibility in controlling the amount of light entering the lens and the depth of field.

4. Historical value: As an antique lens, it has a unique charm and historical value. Collectors often appreciate antique lenses for their rarity and craftsmanship.

1. Limited compatibility: The lens may not be compatible with modern cameras, as it was designed for older film cameras. You may need to use an adapter to use it with a digital camera.

2. Manual focus: The lens does not have autofocus, which means you will need to focus manually. This can be challenging, especially in low light conditions.

3. Lack of modern features: The lens does not have features such as image stabilization, vibration reduction, or weather sealing that are standard in modern lenses.

4. High cost: Antique lenses can be expensive due to their rarity and historical value.

The F6.3-F.0 Ross Unar Zeiss lens 136mm f/6.3 is a high-quality lens with a unique charm and historical value. Its long focal length and aperture range provide flexibility in photography. However, it may not be compatible with modern cameras, and it lacks modern features such as autofocus and image stabilization. Additionally, it can be expensive due to its rarity. If you are a collector or a photographer who appreciates the charm of vintage lenses, then this lens may be a good investment for you. If you prioritize modern features and compatibility with your camera, you may want to consider a modern lens instead.

Details:

3-f 45 aperture lever blades move fairly smoothly. Aperture range: f6. Has some tiny fungus and dust spots inside lens,and light separation at very-edge of rear element.

3 antique 1890s lens of brass construction made by Ross in London from zeiss patented Unar design. Most of the finish is worn off brass in some places, has a reddish patina. Rear element also has some cleaning marks scratches front also, but fewer. Rare antique Ross Unar zeiss patent lens136mm inch f 6.

Bottom edge near mount has some small dents. See photos for visual details and indications of condition.

specifications lephovi:

• brand: Ross
• model: Unar
• focal length: Fixed/prime
• maximum aperture: F/6.3
• lens barrel material: Brass
• country/region of manufacture: United Kingdom

Shipping lephovi:

• handling: 1 days
• type: Flat
• cost: $0.0

Payments lephovi:

• PayPal

Returns lephovi:

• time: 30 Days
• type: Money Back
• paid by: Buyer
• policy: returns accepted

Offer lephovi:

• bids: 0
• best offer: false
• Started: January 6, 2017, 9:11 am
• quantity: 1
• Sold: 0
• min. bid: $499.99

Seller lephovi:

• city: Austin, Texas
• zipcode: 78756

General lephovi:

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

Ratings:

1. Great seller! Thanks! 01-05-17
2. great service 12-29-16
3. Great seller! Thanks for the deal 12-20-16
4. very good 12-30-16
5. Thanks 12-24-16

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