StableDiffusion生成夜间光迹水景长曝光摄影

长曝光摄影技巧：用AI复现时间的流动感

今天我们来探讨一项经典的摄影技法——长曝光摄影。说白了，就是将快门打开一段较长时间，让光线持续累积在感光元件上，最终生成一张远超肉眼所见极限的独特画面。通常来说，只要快门速度低于1秒，就可以归入长曝光摄影的范畴。

这种拍摄手法在摄影圈应用非常广泛，尤其在夜间摄影、光轨拍摄、水流拉丝等场景中屡见不鲜。暗光环境下的景物经过长曝光后，细节会变得异常清晰，而流动的光线或水波则能呈现出梦幻般的流动质感。

传统长曝光摄影需要准备三脚架、快门线和ND减光镜等一系列专业装备。但在AI绘图领域，您只需一个适配的模型和几句精准的提示词，就能轻松实现类似效果。

AI长曝光绘图：如何配置与操作？

本次使用的核心模型是Dream Tech XL，并配合摄影设计师——专业长曝光风格[SDXL LoRA]这款LoRA模型。事实上，大多数基于SDXL的模型都能支持“Long exposure photography”这个提示词，但使用专门针对长曝光设计的LoRA，生成效果会更加精准专业。

具体的参数配置如下：

• 绘图模型：Dream Tech XL | 筑梦工业XL
• LoRA模型：摄影设计师——专业长曝光风格[SDXL LoRA]
• LoRA权重：0.7 ~ 1.0
• LoRA触发词：ral-exposure
• 采样方法：DPM++ 2M Karras
• 迭代步数：30步
• 分辨率：1024*1024
• 提示词引导系数 (CFG Scale)：7
• 启用ADetailer修复脸部和手部细节。

下面直接进入实战环节，看看不同主题下这款LoRA模型的实际表现效果。

01：霓虹风

ral-exposure,long exposure style,1girl,asian girl,in the style of double exposure,neon art nouveau,long exposure,wimmelbilder,layered lines,neonpunk,chiaroscuro,best quality,masterpiece,highres,absurdres,incredibly absurdres,huge filesize,wallpaper,colorful,8K,RAW photo,,

02：牛仔风

ral-exposure,masterpiece,best quality,light painting,(long exposure:1.2),dynamic streaks,luminous trails,vibrant colors,fluid movement,captivating patterns,creative experimentation,(1girl:1.2),(cowboy shot:1.2),(close-up:1.3),,

03：五彩光影

ral-exposure,1girl,asian girl,vaporwa ve style ombre color scheme of neon pink,blue,orange,yellow,green and white,anime artwork,grand photograph,Polaroid,surprised 24-year-old girl,glowing hair,canon 5d mark 4,neon light,kodak ektar,feminate and alluring,pastel colors,curved lines,elaborate detail,art by jc leyendecker . retro aesthetic,cyberpunk,vibrant,neon colors,((vintage 80s and 90s dress styles)),highly detailed,,

04：面具舞影

ral-exposure,,A fantastic face of the goddess of the night. Very beautiful young metamorph woman,complicated with night shadow and wind. Transparent masquerade mask-veil with patterns. Black shiny straight long hair flies in all directions,The effect of explosion,run-up,strong wind. Face is illuminated. Black maroon lips. Professional high resolution photo. Dark Fantasy. In soft red,purple and dark-blue tones. light haze. Black and silver background.,

05：赛博朋克

ral-exposure,high resolution photo of a mutant  woman with wings,flux capacitor vacuum tubes and sleek glossy materials electric live energy and small led readout displays with tactile knobs and buttons,Glowing electronics,brass gears,switches,knobs and dials,wires and cables,flying through the air,beautiful soft lighting and photography dynamic angles,,RAW,photo,realistic,rim light,Cinematic Lighting,ultra realistic,(high quality, detailed, beautiful),dark futuristic,,

06：古老祭坛

ral-exposure,Long exposure photo of Standing in front of an altar,swirl of fire,ornate,egypt,swirl of fire,aura,magic,sparks,magic astral,(V0id3nergy),(orb:1.4). Depth of field,perspective view,extreme angle,extremely quality,detailed texture. dreamy,mysterious,fantasy,highly detailed,intricate details,soft light,bright,smooth tone,muted color,detailed texture:1.5,(full body shot),blurred motion,streaks of light,surreal,dreamy,ghosting effect,highly detailed,,

07：火焰花

ral-exposure,a fire flower with a long exposure effect,,

08：光速行驶

ral-exposure, a fast car, closeup shot from the back, driving down the street with long exposure lights 

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