NIKKOR 50mm f1.8g or 35mm f1.8g for portrait photography?

I have nikon d5200 with 18-55mm lens. Now i want to buy prime lens for portrait and event photographs suggest me 50mm f1.8g or 35mm f1.8g. As my cam is a crop type sensor (DX mount) does 50mm f1.8g lens (FX mount) effect the photographs? If so, how. Suggest me with good 1, Thank you.

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The traditional go-to lens for portraits is 85mm on a full frame. 35mm means you have to get too close, making the nose appear too large.

The D5200 has a 1.5x crop factor, which pushes your 50mm up close to the working distance of the traditional 85mm, so I'd suggest you start with the 50 first. Besides, the 50mm f/1.8 is a great lens for a lot of different uses, at a very reasonable price.

For portraits on your camera, the 50mm is just about perfect. With your cropped sensor and it's 1.5x conversion factor, you effectively have a 75mm lens (full frame equivalent).

The 35mm on a cropped sensor comes out at around 1.5x35=52.5mm full frame equivalent - which is pretty darned close to a 50mm - but just a bit too wide for portraits. More useful for general purpose photography.

Get both… Twice the fun!

Lenses are fitted based on need. First we must determine what focal length is "normal". By "normal" I mean what focal length delivers what is termed the human perspective. All this is based on the size of film or digital sensor. Your camera has a sensor size that measures 16mm height by 24mm length. The "normal" focal length for this sensor size is 30mm. This is determined by the diagonal measure of this rectangle. So "normal" =30mm what is wide-angle? It is 70% or this value or shorter, that's 20mm or shorter. What is telephoto? That's 200% of "normal" or longer. That works out to 60mm or shorter. What lens is ideal for portraiture? Most agree, to avoid facial distortion, best is a moderate telephoto about 50mm thru 75mm.

Using such a lash-up for portraits forces the photographer to step back. This action yields facial features that are not distorted. Working in too close exaggerates the nose making it appear larger than life. Also the ears reproduce too small. These distortions can be microscopic but they are what makes or breaks a good portrait. Bottom line is, choose a portrait lens that is a moderate telephoto. By the way, the kit zoom you already have, at max zoom will work and you don't need to spend a dime because you already own it.

The 35mm works better for my face type, but most use the 50mm.

For portraits on a "crop-frame" camera such as the D5200 50mm is ideal for head-and-shoulders or half length. 35mm might be better for full-length, especially if space is tight in your room/studio.