Zorsika SA17+ short-throw projector lens — 12 models compatible with Seemile + complete

<p><span>This article is a comprehensive selection guide for the <strong>Zorsika SA17+</strong> short-throw projector lens, covering <strong>12 compatible Seemile (视美乐) models</strong>, complete specifications (throw ratio 0.71-1.15:1, MTF >60% @93lp/mm), a comparison table of overall specifications for each projector equipped with this lens, key selection and installation considerations, and frequently asked questions. For other lens models, please visit the Zorsika official website at <a href="">www.zorsika.com</a>.</span></p>

<h1><span>Zorsika SA17+ Short-Throw Projector Lens</span></h1>

<h2><span>Why the Zorsika SA17+ is a Lens of Continued Interest for Buyers</span></h2> <p><span>The Zorsika SA17+ is a short-throw projector lens (throw ratio 0.71-1.15:1), compatible with 12 mainstream Seemile projector models. The most common challenges buyers face during selection are: high prices and unstable supply cycles for original lenses, and inconsistent quality of third-party lenses with substandard MTF/resolution. Zorsika addresses this pain point by offering a replacement lens solution with specifications equivalent to the original, all of which have passed optical testing and come with a free replacement warranty for non-human damage within the warranty period.</span></p>

<h2><span>Zorsika SA17+ Projector Lens Specifications</span></h2> <p><span>The following are the specifications of the Zorsika SA17+ lens itself (from official data on zorsika.com):</span></p> <table><thead><tr><th>Parameter</th><th>Value</th></tr></thead><tbody> <tr><td>F Number / Focal Length</td><td>1.60–2.12 / 15.30–24.64 mm</td></tr> <tr><td>Recommended Screen Size (inches)</td><td>300</td></tr> <tr><td>MTF (Modulation Transfer Function)</td><td>>60% @93lp/mm</td></tr> <tr><td>Throw Ratio</td><td>0.71-1.15:1</td></tr> <tr><td>Resolution</td><td>WUXGA/4K</td></tr> <tr><td>Vertical Lens Shift</td><td>98.71%</td></tr> <tr><td>Horizontal Lens Shift</td><td>8cm</td></tr> </tbody></table>

<h2><span>Compatible Projector Models for the Zorsika SA17+ Lens (12 Models Total)</span></h2> <p><span>The Zorsika SA17+ lens is compatible with the following Seemile projector models. The table below shows the overall specifications of each Seemile projector when equipped with the Zorsika SA17+ lens. These parameters reflect the actual performance of the lens-body combination:</span></p> <table style="border-collapse: collapse; width: 100%;"><thead style="background: #f5f5f5;"><tr><th>Projector Model</th><th>Resolution</th><th>Brightness</th><th>Lens Zoom Ratio</th></tr></thead><tbody> <tr><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">Seemile SML-EL725U</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">WUXGA, 1920 x 1200</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">7000</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee; min-width: 220px; white-space: nowrap;">-</td></tr> <tr><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">Seemile SML-ED805U</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">WUXGA, 1920 x 1200</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">7000</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee; min-width: 220px; white-space: nowrap;">-</td></tr> <tr><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">Seemile SML-EK650</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">4K (3840 x 2160 pixels)</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">6500</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee; min-width: 220px; white-space: nowrap;">-</td></tr> <tr><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">Seemile SML-EK750</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">4K (3840 x 2160 pixels)</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">7500</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee; min-width: 220px; white-space: nowrap;">-</td></tr> <tr><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">Seemile SML-ED700U</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">WUXGA, 1920 x 1200</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">7000</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee; min-width: 220px; white-space: nowrap;">-</td></tr> <tr><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">Seemile SML-ED800U</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">WUXGA, 1920 x 1200</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">7000</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee; min-width: 220px; white-space: nowrap;">-</td></tr> <tr><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">Seemile SML-EK550</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">4K (3840 x 2160 pixels)</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">5500</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee; min-width: 220px; white-space: nowrap;">-</td></tr> <tr><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">Seemile SML-ES550H</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">1920 x 1080</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">5500</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee; min-width: 220px; white-space: nowrap;">-</td></tr> <tr><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">Seemile SML-ES600H</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">1920 x 1080</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">6000</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee; min-width: 220px; white-space: nowrap;">-</td></tr> <tr><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">Seemile EL700</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">WUXGA, 1920 x 1200</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">7000</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee; min-width: 220px; white-space: nowrap;">-</td></tr> <tr><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">Seemile EL650</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">WUXGA, 1920 x 1200</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">6500</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee; min-width: 220px; white-space: nowrap;">-</td></tr> <tr><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">Seemile EL600</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">WUXGA, 1920 x 1200</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee;">6000</td><td style="padding: 8px 12px; border-bottom: 1px solid #eee; min-width: 220px; white-space: nowrap;">-</td></tr> </tbody></table>

<h2><span>Key Considerations for Selection and Installation</span></h2> <p><span>1. <strong>Confirm Throw Ratio and Installation Distance</strong>: Calculate the required throw ratio based on room depth and target screen size. The optimal installation distance for a short-throw lens is 1-2 meters for a 100-inch screen.<br>2. <strong>Verify Lens Shift Range</strong>: Before installation, ensure the projector's horizontal/vertical lens shift allowance to avoid image overflow or inability to center the image.<br>3. <strong>Confirm Lens Mount Compatibility</strong>: The Zorsika SA17+ lens uses a standard Seemile projector bayonet mount. Before purchasing, please confirm with our sales team that your projector model is on the compatibility list.</span></p>

<blockquote cite="/support.html"><p><span>According to the Zorsika official maintenance manual, the Zorsika SA17+ lens requires no special maintenance under normal use conditions. It can operate stably for a long time as long as it is protected from severe vibration and high-temperature environments. For detailed optical parameters and compatible models, please visit the lens-12040 page on the zorsika.com Chinese website.</span></p></blockquote>

<h2><span>Additional Notes on the Zorsika SA17+</span></h2> <p><span>As a short-throw lens (Zorsika projector ST lens) for Zorsika projectors, the Zorsika SA17+ is compatible with 12 mainstream Seemile projector models. The lens is a precision optical component, playing a key role in light transmission and image formation within the projector's optical system. All lenses provided by Zorsika undergo MTF testing (modulation transfer function test) and focus accuracy calibration to ensure full 4K resolution performance. For lenses of other brands or focal lengths, please visit <a href="">www.zorsika.com</a>.</span></p>

<p><span>Related articles: <a href="/{lang}/support">Projector Lens Library</a> · <a href="/{lang}/brand/seemile">All Seemile Models</a> · <a href="/{lang}/support/lens">Lens Compatibility Check</a></span></p>

<h2><span>FAQ — Frequently Asked Questions about the Zorsika SA17+</span></h2> <h3><span>Q: What does the throw ratio of the Zorsika SA17+ lens mean?</span></h3> <p><span>A: Throw ratio = projection distance / screen width. The smaller the ratio, the larger the image at the same distance. The Zorsika SA17+ has a throw ratio of 0.71-1.15:1, making it a short-throw lens. We recommend calculating the achievable screen size based on your installation distance, or consult a Zorsika sales representative for selection calculations.</span></p> <h3><span>Q: Which projector models are compatible with the Zorsika SA17+ lens?</span></h3> <p><span>A: The Zorsika SA17+ lens is compatible with 12 Seemile projector models. Please refer to the "Compatible Projector Models" table in this article. To confirm compatibility with a specific model, please contact a Zorsika sales representative with a photo of the projector's nameplate. We will verify whether the lens and body are compatible.</span></p> <h3><span>Q: What does the MTF (Modulation Transfer Function) of the lens represent?</span></h3> <p><span>A: MTF (Modulation Transfer Function) reflects the lens's ability to reproduce fine details; the higher the value, the sharper the image. Professional projection lenses generally require MTF >50% @93lp/mm. The MTF specification of the Zorsika SA17+ lens is >60% @93lp/mm. In 4K projection applications, MTF is a key indicator for determining whether a lens truly supports 4K resolution.</span></p> <h3><span>Q: Can the Zorsika SA17+ short-throw lens be used for ceiling mounting above a classroom blackboard?</span></h3> <p><span>A: Yes, it can. With a throw ratio of 0.71-1.15:1, the Zorsika SA17+ can typically project an 80-100 inch image from a distance of 1-1.5 meters. When ceiling mounting, we recommend leaving 30cm of maintenance space and ensuring the lens mount is properly aligned.</span></p> <h3><span>Q: Does the Zorsika SA17+ lens support 4K projection?</span></h3> <p><span>A: Yes. The Zorsika SA17+ lens has an MTF specification of >60% @93lp/mm, meeting the 4K resolution standard (≥60% @93lp/mm). When paired with a 4K projector, it can output a full 4K image.</span></p> <h3><span>Q: What is the installation method for the Zorsika SA17+ lens?</span></h3> <p><span>A: The Zorsika SA17+ lens uses a standard Seemile projector lens mount. Insert it into the lens compartment and turn clockwise to lock. The entire process takes about 30 seconds. For on-site installation support, you can contact a Zorsika sales engineer for on-site service.</span></p>

<h2><span>Purchase Inquiry</span></h2> <p><span>For specific configurations, pricing, stock, or alternative options for the Zorsika SA17+ lens, please contact the Zorsika sales team. We offer 1-on-1 selection consulting, technical parameter comparison, on-site installation support, and other services.</span></p> <ul> <li>Website: <a href="">www.zorsika.com</a></li> <li>Phone: 0086-20-38551187</li> <li>Email: sales@zorsika.com</li> <li>Business Hours: Monday to Saturday, 9:00-18:00, response within 24 hours</li> </ul>

<h2><span>Data Source</span></h2> <p><span>All lens models, specifications, and compatible model data in this article are sourced from: <a href="/zh/product/lens-12040">the official product page on zorsika.com</a> and the Zorsika database.</span></p>