YN50mm F1.8S DA DSM is an automatic focus lens designed for the E mount APS-C frame digital camera of S, which has excellent performance in blurs background to highlight the main body, imaging sharpness, volume and weight.
Carry the digital stepping motor
Compared with the traditional DC motor, digital stepping motor (DSM) has fast start and stop response, high focusing accuracy and quieter focusing action, which is suitable for photo shooting and short film recording.
Electronic focus rings
Adopts electronic focus rings, supplemented by appropriate damping, which can provide smooth manual focus experience of high precision.
USB Firmware Upgrade
Equipped with USB interface, you can download the latest firmware from Yongnuo official website to upgrade the lens.
F1.8 Bright and large Aperture
Flexible use of F1.8 large aperture, easy to obtain a soft and beautiful blur effect. In low light environment you can also use a low sensitivity and high shutter for shooting.
Low dispersion glass lens
Adopts one low dispersion glass lens,which not only better suppress the dispersion problem, but also further improve the secondary spectrum.
Internal focus design, small and lightweight
Focusing lens set adopts internal focusing design,the weight is only about 146 grams, small and light, easy to carry.
7 groups of 8 pieces of optical structure design, nanometer multi-layer coating
Adopts 7 groups of 8 pieces of optical structure design, nanometer multi-layer coating process of lens can effectively improve the light transmittance and inhibit the ghost image and glare of backlight.
Gold-plated contact, metal bayonet
Adopts gold-plated contact and high-precision metal bayonet, it can effectively improve the signal conductivity and corrosion resistance.
Fast autofocus (AF) and manual focus (MF) are supported
Auto focus and manual focus are supported,you can choose the focus mode according to your shooting requirements.
Seven circular aperture blades
Specifications:
|
Equivalent to 35mm focal section |
about 75mm |
|
Bayonet |
E mount |
|
Frame |
APS-C |
|
Angle of View |
about 30.4 degree |
|
Lens Construction |
7 groups 8 blades |
|
Aperture Blades |
7 blades |
|
Minimum Aperture |
F/16 |
|
Closest focus distance |
about 0.45 meters |
|
Maximum Magnification |
about 0.14× |
|
Filter diameter/available number |
49mm/1 |
|
Maximum diameter and length |
about Φ64×58mm |
|
Weight |
about146g |
Lens length is the distance from the mounting surface to the front of the lens.
In addition to the special specification, size and weight is only applicable to the lens.
The aperture can be set by the camera.
MTF Graph
manual：
http://yongnuoebay.com/gw/YN50mmf1.8sda.pdf
Firmware：
http://yongnuoebay.com/gw/Yn50f18s_da_dsm_fm_V03_en.zip
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Note: Orders that contain more than one item will be assigned a distinct processing period for each item.
We will thoroughly inspect all items before sending. Most orders are now shipped within 48 hours. The delivery time varies between 3-7 days.
Returns
The inventory is always changing, and is not completely managed by us due to the involvement of multiple different parties, such as the factory and our warehouse. The actual inventory may change at any moment. It's possible that you may not receive your purchase after it has been placed.
Our policy is valid for 30 days. If 30 days have passed after you bought your product, we are unable to provide a refund or exchange.
The item cannot be in use and must be in its original condition. The item must be returned in its original packaging.
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