What is the little plastic lever on front of lens mounting used for on D5300: Nikon DX SLR (D40-D90, D3000-D7500) Talk Forum: Digital Photography Review
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Grays of Westminster Glossary: What's the difference between AF-D & AF-G type Nikkor lenses? | Definitions of terms
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Dropped camera— vintage LTM lens aperture values shifted a few clicks and can't go smaller than f4. Everything else perfect. Looking for DIY fixing advice! : r/AnalogCommunity
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What is “A” on this lens's aperture ring? You need to push a button to lock in into place. Pentax k1000 with smc Pentax-A 50mm f/2.8 : r/AnalogCommunity
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Re: D50 Aperture stuck closed when attaching a lens on the body: Nikon DX SLR (D40-D90, D3000-D7500) Talk Forum: Digital Photography Review
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Amazon.com : Fotodiox Aperture Control 52mm Filter Adapter for Nikon G/DX Lens in Reverse Mount for Macro Photography : Camera Lens Adapters : Electronics
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