0246952 VIVITAR Focusing Teleconverter Helicoid Extension

Review VIVITAR 2x Macro Focusing Teleconverter Mc N/ai Japan Helicoid Extension Doubler

The Vivitar 0246952 2x Focusing Teleconverter Helicoid Extension Doubler is an essential accessory for photographers seeking to extend the reach of their telephoto lenses without compromising image quality. This manual focus teleconverter is specifically designed for Vivitar brand lenses, making it an ideal choice for those who own and frequently use Vivitar telephoto lenses.

This teleconverter features a 2x magnification factor, effectively doubling the focal length of the attached lens. For instance, a 200mm lens with this teleconverter will behave as if it's a 400mm lens. This significant increase in focal length allows for capturing distant subjects with unprecedented clarity and detail.

The helicoid extension doubler design of the teleconverter enables the user to focus manually, even with the added magnification. The extension doubler provides an additional distance between the camera body and the lens, ensuring that the focusing mechanism remains operational. This feature is particularly valuable when shooting macro or close-up photography, where precise focus is crucial.

Despite its ability to double the focal length, this teleconverter maintains a relatively compact size and lightweight construction. Its compatibility with Vivitar telephoto lenses makes it a versatile and convenient addition to a photographer's equipment bag.

This Vivitar 2x Focusing Teleconverter Helicoid Extension Doubler is made with high-quality materials, ensuring durability and reliability. Its design enables seamless integration with Vivitar telephoto lenses, providing photographers with an affordable and effective way to extend their lens's reach and unlock new possibilities in their photography.

In summary, the Vivitar 0246952 2x Focusing Teleconverter Helicoid Extension Doubler is a must-have accessory for Vivitar telephoto lens owners. Its ability to double the focal length while maintaining manual focus and a compact design makes it an indispensable tool for capturing distant or intricate subjects with unparalleled clarity and detail.

Vivitar 0246952 2x Teleconverter, Helicoid Extension, and Doubler: A Comprehensive Analysis

The Vivitar 0246952 2x Teleconverter, Helicoid Extension, and Doubler is an accessory designed to enhance the capabilities of various interchangeable lens cameras. This multi-functional gadget serves three distinct purposes: a 2x teleconverter, a helicoid extension, and a doubler. In this analysis, we will delve into the pros and cons of purchasing this product to help you make an informed decision.

1. Increased Focal Length: The 2x teleconverter allows you to double the focal length of your lens, making it an ideal choice for capturing distant subjects or creating a shallower depth of field.

2. Helicoid Extension: The helicoid extension feature enables you to focus closer to your subjects. This is particularly useful for macro photography or other types of close-up work.

3. Doubler: The doubler function increases the light gathering potential of your lens, making it suitable for low-light situations or when using smaller apertures.

4. Versatile: This accessory caters to various shooting needs with its three-in-one functionality, reducing the need to purchase multiple accessories.

5. Affordable: Compared to other teleconverters and extension tubes in the market, the Vivitar 0246952 is relatively affordable, making it an attractive option for budget-conscious photographers.

1. Image Quality: Teleconverters and extension tubes can negatively impact image quality. You may notice a decrease in sharpness, an increase in chromatic aberration, and a loss of light.

2. Autofocus: The Vivitar 0246952 does not support autofocus for all lenses. Manual focusing is required when using this accessory, which can be time-consuming and challenging, especially for macro photography.

3. Compatibility: This accessory is compatible with a specific range of lenses. It is advisable to check the compatibility of your lens before purchasing this teleconverter, helicoid extension, and doubler.

4. Vignetting: When using a teleconverter, you may experience vignetting, which is the darkening of the corners of the image. This can be frustrating, especially when capturing landscapes or architectural shots.

5. Size and Weight: The Vivitar 0246952 is bigger and heavier than a standard lens, which can make it less portable.

The Vivitar 0246952 2x Teleconverter, Helicoid Extension, and Doubler is a versatile and affordable accessory for photographers looking to extend the capabilities of their interchangeable lens cameras. Its three-in-one functionality offers increased focal length, helicoid extension, and light gathering potential. However, this accessory comes with its drawbacks such as potential image quality issues, manual focusing requirements, and compatibility limitations.

If you are a photographer who frequently shoots in various scenarios, including macro, wildlife, or low-light conditions, the Vivitar 0246952 2x Teleconverter, Helicoid Extension, and Doubler can be a valuable addition to your camera kit. However, if you prioritize image quality and autofocus, or if your lens is not compatible with this accessory, it may be worth considering alternative options. Always remember to check the compatibility of your lens with the teleconverter before making a purchase.

Details:

Only flaw is an id number engraved on the lens barrel. Neat; combines features of a helicoid extension tube with 2x teleconverter/doubler. VG condition, clean glass etc. Of course that is only cosmetic and in no way affects function.

Contact me for any questions. Listing for one used Vivitar macro-focusing teleconverter nikon n/ai-s 35mm slr cameras. Have set a reasonable price but will consider offers. Item is in original box and case.

specifications camlensadapter:

• brand: Vivitar
• mpn: 0246952
• type: Teleconverter
• compatible model: Nikon Slr
• features: Macro-focusing, Helicoid
• lens fitting: Nikon Ai
• country of origin: Japan

shipping camlensadapter:

• class: standard
• type: calculated
• transit: 3-7 days
• carrier: usps
• service: usps ground advantage

offer camlensadapter:

• in stock #: 2
• options: ship-to-home
• prices: $14.95–$116.03
• item condition: Used
• availability: in stock
• sold #: 7
• started: june 8, 2026
• best offers: true

payments camlensadapter:

• other
• credit card: diners-club
• wallet: apple-pay

returns camlensadapter:

• time: 30 days
• method: money back
• paid by: buyer
• policy: returns accepted

seller camlensadapter:

• # reviews: 1230
• city: fort worth, texas
• rating: 100.0%

general camlensadapter:

• category: Camera & Photo > Cameras > Lenses Filters > Adapters, Mounts Tubes