Best Third party Viewfinder

Xuan 35mm 28mm Optical Viewfinder (28mm) Black

A simple optical viewfinder(no frame) designed for film and digital camera.The product is a hand-made item, quality is no very good, the defect (like dusty, scratches, etc.) is inevitable. Please buy with caution for the users who mind the above situation..
It is an affordable viewfinder, the viewfinder is bright and clear and the size is small and nearly weightless..
Attaches to camera via its accessory shoe.
The optics part is made of resin.This simple Viewfinder is made of recycled lenses that are discarded parts on other cameras but well functioned. It can satisfy normal usages and each product is rigorously tested before shipping..
Angle of view: 28mm (135 equivalent, no frame), Field of view: 90%, suitable for Ricoh GR GR2 GR3....

Great performance: The 3.2in LCD Viewfinder can achieve more accurate focuss and increase stability of handheld shooting..
Perfect design: Folding design of LCD Viewfinder, space-saving, easy for carrying and storage. Good accessory for photography lovers..
Structure: Cameras Viewfinder is mainly consisted of anti-reflective 3X magnification lens, comfortable eye cup, plastic barrel..
Compatibility: The LCD Viewfinder designed for DSLR mirrorless cameras with 3.2in screen..
Functional purpose: It also can work as a sunshade, blocking out the bright light in the open air and making you can inspect the pictures clearly on the screen when doing outdoor shooting..

PURPOSE: The Blackmagic URSA Viewfinder is the perfect accessory to make outdoors and handheld shooting with your URSA or URSA Mini digital film camera easy.
HIGH QUALITY: You get an extremely high quality viewfinder with 1080HD resolution display, true precision glass optics, built in tally light and built in menus, overlays and even a digital focus chart.
CONNECTIONS: Computer Interface - USB 2.0 Mini-B port for software updates.
WHAT'S INCLUDED: Blackmagic URSA Viewfinder.
3/8 inch viewfinder mounting thumb screw for URSA.
METADATA SUPPORT: Detects camera information embedded in the SDI signal from URSA, URSA Mini and Blackmagic 3G-SDI Shield for Arduino.

...h Wi-Fi and NFC, Stunning low light photos with ISO range of 100-25600, Easy and intuitive controls help you shoot like a pro, Record Full HD 1080/24/60P video , Audio recording format - AVCHD - Dolby Digital (AC-3) 2ch, Dolby Digital Stereo Creator, MP4: MPEG-4 AAC-LC, 2ch.
What you see is what you get with an OLED Viewfinder, Convenient features: Tilt LCD, pop-up flash and MI shoe, Enhance your camera and creativity with Camera Apps.
24 MP APS-C CMOS sensor and Focus Sensitivity Range: EV 0 to EV 20 (at ISO 100 equivalent with F2.8 lens attached).
Hybrid AF with 179-point focal plane phase-detection and 25 contrast detect points.
Compatible OS: Windows Vista SP2-8, Windows 7 SP1, Windows 8, Windows 8.1, Mac OS X (v10.6-v10.9).Viewfinder Pixel Count: 1,440,000.Metering Type:1200-zone evaluative metering.
Up to 11 FPS continuous shooting. Operating temperature: 32-104°F / 0-40°C.
3-inch tilting LCD with 921,000 dots.Viewfinder Size : 0.39 inches. Viewfinder Eye Point : 23.00 mm . Diopter Adjustment : -4 to +3 m.
OLED electronic viewfinder with 100% coverage and 1.4 million dots.
Kindly refer the User Manual PDF for the trouble shooting steps to be followed..

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HIGH QUALITY CONSTRUCTION : A high quality Right Angle Viewfinder made by Azeyz for professional as well as amateur photographers. High quality optics for crystal clear viewing. Body made of quality materials including metal for solid overall construction..
1X-2X MAGNIFICATION : Magnification can be adjusted to 1x or 2x making it easier to focus on minute details of your subject resulting in a sharper image. Very helpful in macro photography for close to ground shooting as you don't have to lie down on your belly to take the shot or for any other photography when shooting at an odd angle..
LENS CONSTRUCTION : Made of 9 elements in 5 groups with a high quality roof prism. A diopter is built in with +/- 4 adjustment for eyesight variations. Once mounted on your camera, the viewfinder can be rotated full 360 degrees enabling you to shoot at any angle for your convenience..
INCLUDES 6 ADAPTERS & A CARRYING CASE : Viewfinder comes with 6 adapters enabling it to fit most DSLR and older SLR cameras. Comes with 2 adapters for Nikon - 18mm and 22mm, 2 adapters for Canon - 18mm and 22mm. Includes adapters for Pentax, Fuji, Minolt....

HIGH QUALITY CONSTRUCTION : A high quality Right Angle Viewfinder made by Azeyz for professional as well as amateur photographers. High quality optics for crystal clear viewing. Body made of quality materials including metal for solid overall construction..
1X-2.5X MAGNIFICATION : Magnification can be adjusted to 1x or 2.5x, making it easier to focus on minute details of your subject resulting in a sharper image. Very helpful in macro photography for close to ground shooting as you don't have to lie down on your belly to take the shot or for any other photography when shooting at an odd angle..
LENS CONSTRUCTION : Made of 9 elements in 5 groups with a high quality roof prism. A diopter is built in with +/- 4 adjustment for eyesight variations. Once mounted on your camera, the viewfinder can be rotated full 360 degrees enabling you to shoot at any angle for your convenience..
INCLUDES 6 ADAPTERS & A CARRYING CASE : Viewfinder comes with 6 adapters enabling it to fit most DSLR and older SLR cameras. Comes with 2 adapters for Nikon - 18mm and 22mm, 2 adapters for Canon - 18mm and 22mm. Includes adapters for Pentax, Fuji, M....

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