Sea Turtle Coral Reef AI Photo Prompt — Realistic Underwater Example

Prompt
candid documentary photograph of a sea turtle swimming near a coral reef, crystal clear turquoise water, soft natural sunlight filtering through the surface, gentle caustics on sandy bottom, shot on Canon EOS R5 with 16-35mm wide angle, natural depth of field, subtle water particles, slight motion blur on flippers, school of small silver fish in background, healthy brain corals and sea fans, calm ocean surface above, realistic marine life, no human divers visible, asymmetric composition, imperfect framing, natural skin texture on turtle shell with algae spots, scattered sunlight beams, shot at midday with bright ambient light, subtle film grain, authentic ocean color palette.
Stable Diffusion 再現情報 (Replicate)
adult, mature features, safe for work, fully clothed in scene-appropriate everyday attire, natural authentic photograph, candid moment, shot on 35mm film, slight grain, natural depth of field, candid documentary photograph of a sea turtle swimming near a coral reef, crystal clear turquoise water, soft natural sunlight filtering through the surface, gentle caustics on sandy bottom, shot on Canon EOS R5 with 16-35mm wide angle, natural depth of field, subtle water particles, slight motion blur on flippers, school of small silver fish in background, healthy brain corals and sea fans, calm ocean surface above, realistic marine life, no human divers visible, asymmetric composition, imperfect framing, natural skin texture on turtle shell with algae spots, scattered sunlight beams, shot at midday with bright ambient light, subtle film grain, authentic ocean color palette.
child, children, kid, minor, underage, teen, preteen, toddler, baby, loli, shota, young girl, young boy, little girl, little boy, school uniform on young face, nude, naked, topless, bottomless, nipples, areola, genitalia, penis, vagina, vulva, porn, hardcore, sex act, cum, orgasm, hentai, lewd, nsfw, real person, celebrity, actor, actress, politician, real photograph of celebrity, gore, gory, bloody, decapitation, beheading, torture, self-harm, bestiality, zoophilia, necrophilia, shirtless, bare chest, bare torso, bare back, topless man, underwear visible, panties, thong, lingerie, bra alone, sports bra as outerwear, swimsuit, bikini, monokini, swimwear, see-through clothing, transparent clothing, wet shirt clinging, exposed midriff in office, low-cut neckline, deep cleavage, undressing, partially undressed, clothing falling off, underwear as outerwear, lowres, bad anatomy, bad hands, extra fingers, six fingers, seven fingers, fewer fingers, four fingers, fused fingers, twisted fingers, deformed hand, mutated hand, malformed hand, extra limbs, missing limbs, watermark, signature, text
上記の完全プロンプトとネガティブプロンプトを Replicate / ComfyUI / Forge / Automatic1111 等に貼り付けると、近い結果を再現できます (シードや解像度の違いで完全一致はしません)。
このプロンプトは、サンゴ礁の上を泳ぐウミガメを、ドキュメンタリー調の自然な水中写真として生成するためのものです。AIの海洋画像にありがちな過度にクリーンで人工的な見た目を避けるため、甲羅の藻、浮遊微粒子、ヒレのわずかなモーションブラーなどリアルな不完全さを含めています。カメラ指定(キヤノンEOS R5+広角)やコースティクス・光線への言及が、実際の水中写真技術に基づいた画像にする助けになります。
最良の結果を得るには、水中シーンで学習されたリアルまたは写真的なスタイルのLoRAを使用してください。人魚や光るサンゴなどのファンタジー要素は加えず、純粋な自然の信憑性を目指します。カラーパレットはターコイズと深海ブルーを基調とし、彩度を上げすぎないようにします。モデルが細部を過度にシャープに生成する傾向がある場合、CFGスケールをやや低め(6〜7)に設定して、実際の水中撮影のような柔らかく有機的な印象を保ちます。
Prompt Overview
This prompt is designed to generate a documentary-style, natural underwater photograph of a sea turtle swimming over a coral reef. To avoid the overly clean and artificial look common in AI ocean images, it includes realistic imperfections such as algae on the shell, floating particles, and slight motion blur on the flippers. Camera specifications (Canon EOS R5 + wide-angle) and references to caustics and light rays help create an image grounded in actual underwater photography techniques.
For best results, use a LoRA trained on realistic or photographic styles for underwater scenes. Avoid adding fantasy elements like mermaids or glowing coral, aiming for pure natural authenticity. The color palette is based on turquoise and deep ocean blue, without oversaturation. If the model tends to generate overly sharp details, set the CFG scale slightly lower (6–7) to maintain a soft, organic feel reminiscent of real underwater photography.
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