Notes: This camera doesnât come with protective housing. GoPro lists this as 154 grams (121 grams without the battery), my measurements come in at 155 grams. GoPro Hero11 Black. Weight: 5.5 oz / 155 g; Size: 2.8 x 2 x 1.3âł (71.8 x 50.8 x 33.6 mm) Notes: This camera doesnât come with protective housing. GoPro Hero11 Black Mini. Weight: 4.7
60M/ 196FT Underwater Protective Waterproof Housing Case Shell for GoPro Hero 8 Black . High quality: High transmittance transparent back cover and flat glass lens, shockproof thick shell. Compatible: All button settings and sizes are specially designed according to GoPro Hero 8 Black that provide the best protection.
Frame Case Compatilble with GoPro Hero 5, Hero 6, Hero 7 Black/Silver/White, Hero 2018 with Lens Cap and Tripod Mount Adapter Protective Housing Case for Go Pro 7 6 5 4.7 out of 5 stars 61 $10.99 $ 10 . 99SOONSUN Waterproof Housing Case with 4-Pack Lens Filters for GoPro Hero 7 6 5 Black Hero (2018), Dive Housing with Red, Light Red, Magenta, and 5x Close-up Filters for Underwater Video and Photography. 24. $2399. List: $29.99. FREE delivery Thu, Dec 14 on $35 of items shipped by Amazon.
I bought several protective lens replacements directly from GoPro. Using the subscription discount, I paid $14 per lens. However, that won't protect the screens. You'd need a case of some kind for that. If the BBs are traveling around 300fps, they will crack the glass but I doubt a BB would penetrate into the lens. That seems highly unlikely.
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