KEN A VISION 7890U Manual Focus Viewer 7890B
( Brand: Ken A Vision ), ( Manufacturer Part Number: 7890U ), ( Part Type: Manual )
Review KEN A VISION Manual Focus Viewer
Ken Vision 7890b Manual Focus Viewer - A Precision Tool for Photography Enthusiasts
The Ken Vision 7890b Manual Focus Viewer is a must-have accessory for photography enthusiasts seeking to enhance their manual focus capabilities. This compact, yet robust device is designed to provide a clear, magnified view of your subject, ensuring precision and accuracy during the focusing process.
Crafted with a durable, lightweight aluminum alloy body, the 7890b is built to withstand the rigors of regular use. The ergonomic design of the device ensures a comfortable grip, allowing for extended periods of use without fatigue.
The viewer features a high-quality, 7x magnification lens that offers a clear, sharp image of your subject. The lens is coated with multiple layers of anti-reflection material, reducing glare and enhancing contrast for a more accurate focus.
The Ken Vision 7890b is compatible with a wide range of cameras, including DSLRs and mirrorless cameras. It includes a 37mm thread for easy attachment to your camera lens. The device also comes with a diopter adjustment knob, allowing for customization to suit individual eyesight needs.
The 7890b is powered by ambient light, eliminating the need for batteries. This eco-friendly design makes it a sustainable choice for photographers. The device also includes a protective lens cap to keep the lens clean and scratch-free when not in use.
In conclusion, the Ken Vision 7890b Manual Focus Viewer is an indispensable tool for photographers who value manual focus and precision. Its robust construction, high-quality lens, and customizable design make it a versatile and reliable companion for all your photography needs. Whether you're a seasoned professional or a passionate hobbyist, the 7890b is sure to elevate your photography experience.
The 7890B Ken Vision Manual Focus Viewer 7890U is a specialized device designed for magnified visual inspection. Here are its pros and cons: Pros:1. High Magnification: With up to 200x magnification, it provides a detailed view of small objects, making it ideal for tasks such as circuit board inspection, jewelry analysis, and microscopic photography.
2. Manual Focus: The manual focus feature allows for precise adjustments, ensuring that the user can obtain a clear and sharp image.
3. LED Lighting: The built-in LED lights provide sufficient illumination for clear visibility, and they can be adjusted for brightness.
4. Portable: The compact and lightweight design makes it easy to carry and use in various locations.
Cons:1. No Automatic Focus: The manual focus might be challenging for those who are not used to it, especially when dealing with objects at different distances.
2. Limited Applications: Due to its high magnification, it may not be suitable for tasks that require a wider field of view, such as biological microscopy.
3. Power Source: It requires 4 AA batteries (not included), which may need frequent replacement during extended use.
4. Price: Compared to some automatic focus viewers or simple magnifying glasses, it may be considered expensive.
In conclusion, the 7890B Ken Vision Manual Focus Viewer 7890U is an excellent tool for tasks that require high magnification and precise focus. However, if you're not comfortable with manual focus or need a device for broader applications, you might want to consider other options. If you're willing to invest in a high-quality, portable magnifying device for specific tasks, this viewer could be a good choice. However, if you're looking for a more affordable option, you might want to consider a device with automatic focus or a simpler magnifying glass.
Details:
5 inch field of view, and 60-degree diagonal 50-degree horizontal viewing angle formatted for 28mm microscope adapter whats in the box. Analog manual focus document camera transmits images to TV, projector, or VCR using attached rca-type composite video cable 1 4 CDC sensor, 512 x 491 pixels, and 350 line TV output 11.
specifications microscopepartzo:
- brand: Ken A Vision
- mpn: 7890u
- part type: Manual
Payments microscopepartzo:
- PayPal
Returns microscopepartzo:
- policy: no returns
General microscopepartzo:
- business industrial > healthcare lab life science lab equipment business industrial > microscope parts lab equipment
- condition: New
- in stock: Yes
Ratings:
- Excellent buyer, thank you! 02-15-18
- THANKS A 12-12-17
- Awesome!!!! 03-11-18
- Thank you for your business 03-08-18
- Thank you for an easy, pleasant transaction. Excellent buyer.. 02-28-18
Offer microscopepartzo:
- Started: March 12, 2018, 10:42 am
- best offer: true
- quantity: 2
- Sold: 0
- bids: 0
Shipping microscopepartzo:
- handling: 1 days
- cost: $0.0
- type: Flat
Seller microscopepartzo:
- zipcode: 48170
- city: Plymouth, Michigan
Ken A Vision 7890U Is Similar To:
- Ken--vision Digital Flex Camera 7200um 1.3 Video Megapixel (40.4% similar) The unit is 27 high, fully extended and has a weighed base for added stability. 3 mp camera. The lens can be focused from 6MM to infinity allowing magnification up to 50X for macro and micro photography. The 7200UM megapixel digital video flex connects directly to a PC or laptop via a fast USB up ...(January 3rd, 2015)
- 7600.0501.0900 Camera 7000 Video Flex Vision Ken Series Presentation (30.8% similar) All equipment is sold as is. Powers up, includes case. Acquired from government surplus. Some cosmetic wear. Requires a condition code now on offers,however there isn't one to exactly fit this offer. Comes as shown...(October 16th, 2015)
- Vision Viewer 7890b Ken--vision (38.8% similar) This item is a brand new Vision viewer document camera. The box was opened to check to see if all parts were available...(March 8th, 2015)
- T-1901 Microscope Size 40 Ken--vision Full (35.9% similar) Excellent for high schools, colleges and universities. Iran educational bargain with both flexibility and real value. Price free shipping only within the continental USA...(February 7th, 2015)
- Vf4000a Ken--vision Camera Lab Document Video-flex (50% similar) Camera has video port. Offer is for camera, power adapter and cable. Ken a Vision video flex VF4000A document lab camera camera tested and is in good working order. See pictures. No manuals included...(January 18th, 2015)
