My favorite mod for SX-70 cameras, a conversion for I-Type film with an internal rechargeable battery. This way I can use all the varieties of integral film available (I-Type and 600). :
polaroid modification 127mm lens | Mirrorless camera photography, Best film cameras, Instant camera
Polaroid Mod.2 in White Special Edition -Decor Only- Retrosexual Vintage Shop
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Quick battery mod for my SX-70 Model 2 : r/Polaroid
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Best Buy: Motorola Moto Mods Polaroid Insta-Share Printer White PG38C02062