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Φωτογραφία - Video
Φωτογραφικός Εξοπλισμός - Παρουσιάσεις
Φακοί Sigma
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<blockquote data-quote="Kosh" data-source="post: 1059046720" data-attributes="member: 1288"><p>[URL unfurl="true"]https://petapixel.com/2025/02/23/sigmas-300-600mm-f-4-dg-os-sports-lens-promises-prime-performance-but-zoom-versatility/[/URL]</p><p></p><p></p><p>The Sigma 300-600mm f/4 DG OS Sports lens will be available this April in both L-mount and Sony E-mount for $5,999.</p><p></p><p></p><p></p><p>[URL unfurl="true"]https://fstoppers.com/gear/sigma-announces-300-600mm-f4-dg-os-sports-lens-sony-e-and-l-mount-693765[/URL]</p><p></p><h2><strong>Key Features</strong></h2> <ul> <li data-xf-list-type="ul"><strong>Ultra-telephoto zoom lens</strong>: Maintains prime-like image quality throughout the zoom range.</li> <li data-xf-list-type="ul"><strong>Bright constant f/4 aperture</strong>: Ideal for low-light situations and subject isolation.</li> <li data-xf-list-type="ul"><strong>Optical stabilization</strong>: 5.5 stops of stabilization at 600mm, optimized via Sigma’s OS2 algorithm.</li> <li data-xf-list-type="ul"><strong>High-speed autofocus</strong>: HLA-driven AF for fast and accurate subject tracking.</li> <li data-xf-list-type="ul"><strong>Professional build quality</strong>: Magnesium alloy body with a thermal insulation coating to reduce heat absorption.</li> <li data-xf-list-type="ul"><strong>New function ring</strong>:<ul> <li data-xf-list-type="ul"><strong>Focus Preset Mode</strong>: Instantly shift to a registered focus position.</li> <li data-xf-list-type="ul"><strong>Power Focus Mode</strong>: Enables controlled focus shifts for video shooting.</li> </ul></li> <li data-xf-list-type="ul"><strong>Inner zoom mechanism</strong>: Maintains center of gravity for better balance.</li> <li data-xf-list-type="ul"><strong>Advanced optical design</strong>: 28 elements in 21 groups, including 6 FLD and 1 SLD elements to reduce chromatic aberrations.</li> <li data-xf-list-type="ul"><strong>Weather-sealed construction</strong>: Dust- and splash-resistant with a water- and oil-repellent front coating.</li> <li data-xf-list-type="ul"><strong>Drop-in filter system</strong>: Supports 40.5 mm filters, including a circular polarizer and variable ND (sold separately).</li> </ul></blockquote><p></p>
[QUOTE="Kosh, post: 1059046720, member: 1288"] [URL unfurl="true"]https://petapixel.com/2025/02/23/sigmas-300-600mm-f-4-dg-os-sports-lens-promises-prime-performance-but-zoom-versatility/[/URL] The Sigma 300-600mm f/4 DG OS Sports lens will be available this April in both L-mount and Sony E-mount for $5,999. [URL unfurl="true"]https://fstoppers.com/gear/sigma-announces-300-600mm-f4-dg-os-sports-lens-sony-e-and-l-mount-693765[/URL] [HEADING=1][B]Key Features[/B][/HEADING] [LIST] [*][B]Ultra-telephoto zoom lens[/B]: Maintains prime-like image quality throughout the zoom range. [*][B]Bright constant f/4 aperture[/B]: Ideal for low-light situations and subject isolation. [*][B]Optical stabilization[/B]: 5.5 stops of stabilization at 600mm, optimized via Sigma’s OS2 algorithm. [*][B]High-speed autofocus[/B]: HLA-driven AF for fast and accurate subject tracking. [*][B]Professional build quality[/B]: Magnesium alloy body with a thermal insulation coating to reduce heat absorption. [*][B]New function ring[/B]: [LIST] [*][B]Focus Preset Mode[/B]: Instantly shift to a registered focus position. [*][B]Power Focus Mode[/B]: Enables controlled focus shifts for video shooting. [/LIST] [*][B]Inner zoom mechanism[/B]: Maintains center of gravity for better balance. [*][B]Advanced optical design[/B]: 28 elements in 21 groups, including 6 FLD and 1 SLD elements to reduce chromatic aberrations. [*][B]Weather-sealed construction[/B]: Dust- and splash-resistant with a water- and oil-repellent front coating. [*][B]Drop-in filter system[/B]: Supports 40.5 mm filters, including a circular polarizer and variable ND (sold separately). [/LIST] [/QUOTE]
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