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Yongnuo has introduced the autofocus YN RF 85mm f/1.8R DF DSM lens. This additionally seems to be the primary third-party lens with a management ring. You possibly can choose between handbook focus or management ring features with a change on the aspect of the lens.
You possibly can take a look at the entire recognized RF mount lenses here. Let me know if there are any lenses lacking.
In regards to the YN RF 85mm f/1.8R DF DSM
Small physique, light-weight
This product is designed for RF mount mirrorless digicam，the utmost diameter and size of the lens is about 67×88mm, and the online weight is simply about 380g. The light-weight design is sweet for long-term handhold taking pictures and video recording.
Outfitted with a management ring, helps silent operation
Customers can assign widespread features corresponding to aperture, shutter pace, ISO sensitivity, and so forth. to the management ring in keeping with their wants. Rotating the management ring can shortly alter the corresponding parameters, drastically enhancing operation comfort inventive effectivity.
The lens can also be designed with a “Click on” change: After Click on is turned on, turning the management ring could have a transparent sense of substances and a “click on” sound; When the Click on is turned off, turning the management ring won’t make any noise, which is useful throughout video recording.
Word: The management ring and handbook focus ring are built-in designs, please set the change to the corresponding place when utilizing.
Outfitted with AF/MF focus mode change，helps full-time handbook focus.
Via the AF/MF focus mode change, you’ll be able to shortly change the main focus mode. When the autofocus operation is ready to [ONE SHOT], you’ll be able to focus manually after you retain urgent the shutter button midway to finish the main focus (full-time handbook focus).
Word: The complete-time handbook focus perform can solely be used usually after enabling the corresponding settings on the digicam. For detailed operations, please discuss with the digicam handbook.
Outfitted with quiet DSM stepping motor
Digitally managed stepping motor (DSM) has a fast start-stop response, excessive focusing accuracy, and quieter focusing motion, which is appropriate for picture taking pictures and video recording.
The lens mount is supplied with a dust-proof and water-proof rubber ring
The lens mount is supplied with a dust-proof and water-proof rubber ring，which might successfully resist the entry of mud and water droplets.
Word: The mount place of this lens has a sure diploma of waterproof efficiency, however it isn’t utterly waterproof. If you’re taking pictures in wet climate, please attempt to preserve the lens from getting moist.
Outfitted with a low-dispersion lens
Outfitted with one low-dispersion glass, which might successfully suppress the dispersion drawback.
With 9 optical lenses in 8 teams, the nano-multilayer coating course of
The lens adopts an optical construction of 9 lenses in 8 teams, and the lens has a nano-multilayer coating course of, which might successfully enhance the sunshine transmittance and suppress back-light ghosts and glare.
F1.8 giant aperture, 7 aperture blades
Versatile use of F1.8 giant aperture, straightforward to acquire smooth blur impact, highlighting the topic.
The lens is designed with 7 aperture blades. It will possibly shoot round diffuse spots. It will possibly additionally take photos with 14 starburst results if the aperture is appropriately lowered.
USB firmware improve
Outfitted with a USB Kind-C interface, you’ll be able to obtain the most recent firmware to improve the lens to maintain the lens at its greatest efficiency.
Metallic bayonet, gold-plated contacts
The lens adopts high-precision steel bayonet and gold-plated contacts, which might successfully enhance the sign conductivity and corrosion resistance. On the similar time, it might preserve dependable communication between the digicam and the lens, and notice features corresponding to autofocus, aperture management, and EXIF info transmission.