improve image sharpness , focus close-up with 50mm f1 lens.8

very bad image negative_v1.3, ng_deep negative_v1_75t, (ugly face:0.8) ,cross-eyed,sketches, (worst quality:2), (low quality:2), (normal quality:2), lowers, normal quality, ((monochrome)), ((grayscale)), skin spots, acne, skin blemishes, bad anatomy, Deep Negative, facing away, tilted head, {Multiple people}, lowers, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, username, blurry, bad feet, cropped, poorly drawn hands, poorly drawn face, mutation, deformed, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, extra fingers, fewer digits, extra limbs, extra arms, extra legs, malformed limbs, fused fingers, (((too many fingers))), long neck, cross-eyed, mutated hands, polar lowers, bad body, bad proportions, gross proportions, text, error, missing fingers, missing arms, missing legs, extra digit, (((extra arms))), ((extra leg)), ((extra foot)), ((repeating hair)), ((Extra Fingers))