Sony FE 300 F2.8 GM OSS Preset Focus: Difference between revisions

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== Overview ==

The Sony **FE 300mm F2.8 GM OSS II** includes a Function Ring near the front of the lens.

This is applicable to the Sony A1 II (but not A1). It may be applicable to other newer models, when used with the Sony FE 300 F2.8 GM OSS.

Sony officially documents this ring as supporting:

The Sony FE 300mm F2.8 GM OSS includes a Function Ring near the front of the lens. Sony officially documents this ring as supporting:

* Power Focus

* APS‑C / Full Frame toggle

However, the lens also supports an **undocumented third mode**: (not mentioned in the [https://www.sony.com/electronics/support/res/manuals/5054/9160c8ce0087829b9805932cfbe6608c/50541710M.pdf FE300 F2.8 GM OSS Operating Guide])

However, the lens also supports an *undocumented third mode*: (not mentioned in the [https://www.sony.com/electronics/support/res/manuals/5054/9160c8ce0087829b9805932cfbe6608c/50541710M.pdf FE300 F2.8 GM OSS Operating Guide])

~~* **~~Preset Focus** — allowing the user to *store* and *instantly recall* a focus distance.

<big>Preset Focus</big> — allowing the user to ''store'' and ''instantly recall'' a focus distance.

This feature behaves similarly to the Focus Preset system found on the FE 400mm F2.8 GM and FE 600mm F4 GM, but is implemented through the Function Ring instead of a dedicated switch.

[[File:Sony FE 300 F2.8 GM OSS Buttons and Controls.png|thumb|'''Sony FE 300 F2.8 GM OSS Buttons and Controls''']]

This article explains how to enable the feature and how to use it in the field.

@@ Line 1: / Line 1: @@
 == Overview ==
-The Sony **FE 300mm F2.8 GM OSS II** includes a Function Ring near the front of the lens.
+This is applicable to the Sony A1 II (but not A1). It may be applicable to other newer models, when used with the Sony FE 300 F2.8 GM OSS.
-Sony officially documents this ring as supporting:
+The Sony FE 300mm F2.8 GM OSS includes a Function Ring near the front of the lens.  Sony officially documents this ring as supporting:
 * Power Focus
 * APS‑C / Full Frame toggle
-However, the lens also supports an **undocumented third mode**: (not mentioned in the [https://www.sony.com/electronics/support/res/manuals/5054/9160c8ce0087829b9805932cfbe6608c/50541710M.pdf FE300 F2.8 GM OSS Operating Guide])
+However, the lens also supports an *undocumented third mode*: (not mentioned in the [https://www.sony.com/electronics/support/res/manuals/5054/9160c8ce0087829b9805932cfbe6608c/50541710M.pdf FE300 F2.8 GM OSS Operating Guide])
-* **Preset Focus** — allowing the user to *store* and *instantly recall* a focus distance.
+<big>Preset Focus</big> — allowing the user to ''store'' and ''instantly recall'' a focus distance.
 This feature behaves similarly to the Focus Preset system found on the FE 400mm F2.8 GM and FE 600mm F4 GM, but is implemented through the Function Ring instead of a dedicated switch.
+[[File:Sony FE 300 F2.8 GM OSS Buttons and Controls.png|thumb|'''Sony FE 300 F2.8 GM OSS Buttons and Controls''']]
 This article explains how to enable the feature and how to use it in the field.