{"id":34048,"date":"2025-11-16T14:35:15","date_gmt":"2025-11-16T13:35:15","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&p=34048"},"modified":"2026-03-17T14:44:54","modified_gmt":"2026-03-17T13:44:54","slug":"william-optics-50-200-refractor-guidescope-rotolock-red-ota","status":"publish","type":"product","link":"https:\/\/staging.telescoop.nl\/en\/william-optics-50-200-refractor-guidescope-rotolock-red-ota\/","title":{"rendered":"William Optics 50\/200 Refractor Guidescope RotoLock Red OTA"},"content":{"rendered":"

Ideal for precise astrophotography<\/strong><\/h3>\n\n\n\n

You mount the William Optics AC 50\/200 parallel to your telescope tube. This allows you to track stars and objects automatically. With a camera on the 1.25-inch connection, you can make long exposures without stars blurring.<\/p>\n\n\n\n

\n
\"William<\/figure>\n<\/figure>\n\n\n\n

Large field of view<\/strong><\/h3>\n\n\n\n

The wide 5.7\u00b0 field of view helps you align quickly and accurately. You see more of the sky at once, which makes aiming easier.<\/p>\n\n\n\n

Firm and easy attachment<\/strong><\/h3>\n\n\n\n

The RotoLock clamp keeps your camera or accessories securely centered. It is easy to operate by hand, even with gloves. This way, nothing tilts while shooting.<\/p>\n\n\n\n

\n
\"William<\/figure>\n<\/figure>\n\n\n\n

Compact and lightweight<\/strong><\/h3>\n\n\n\n

With a tube weight of 460 grams and a tube length of 265 mm, this guidescope is easy to mount and transport. Perfect for mobile setups and smaller telescopes.<\/p>\n\n\n\n

Specifications<\/strong><\/h3>\n\n\n\n

Optics<\/strong><\/h4>\n\n\n\n
Feature<\/th>Description<\/th><\/tr><\/thead>
Aperture (mm)<\/td>50<\/td><\/tr>
Focal length (mm)<\/td>200<\/td><\/tr>
Aperture ratio (f\/)<\/td>4<\/td><\/tr>
Resolution<\/td>2,3\u2033<\/td><\/tr>
Limit value (mag)<\/td>10,3<\/td><\/tr>
Light output<\/td>50<\/td><\/tr>
Max. useful magnification<\/td>100\u00d7<\/td><\/tr>
Type<\/td>Refractor<\/td><\/tr>
Tube weight (kg)<\/td>0,46<\/td><\/tr>
Tube diameter (mm)<\/td>54<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Focuser<\/strong><\/h4>\n\n\n\n
Feature<\/th>Description<\/th><\/tr><\/thead>
Connection (camera side)<\/td>1,25\u2033<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Mount<\/strong><\/h4>\n\n\n\n
Feature<\/th>Description<\/th><\/tr><\/thead>
Type of mount<\/td>Without mount<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Included accessories<\/strong><\/h4>\n\n\n\n
Section<\/th>Description<\/th><\/tr><\/thead>
RotoLock<\/td>Yes<\/td><\/tr>
Dew cap<\/td>Yes<\/td><\/tr>
Tracking scope rings<\/td>No<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

General<\/strong><\/h4>\n\n\n\n
Feature<\/th>Description<\/th><\/tr><\/thead>
Color<\/td>Red<\/td><\/tr>
Application<\/td>Astrophotography (Guidescope)<\/td><\/tr>
Moon & Planets<\/td>No<\/td><\/tr>
Nature observation<\/td>No<\/td><\/tr>
Nebulae & galaxies<\/td>No<\/td><\/tr>
Sun<\/td>No<\/td><\/tr>
Recommended for<\/td>Advanced<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"

William Optics AC 50\/200 comes with a red RotoLock clamp and integrated dew cap, ready for accurate guiding with a firmly centered tracking camera. \u00a0<\/p>","protected":false},"featured_media":97481,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[643],"product_cat":[469,3064,3104,56],"product_tag":[],"class_list":["post-34048","product","type-product","status-publish","has-post-thumbnail","product_brand-william-optics","product_cat-astro-fotografie","product_cat-guidescopes","product_cat-overige-astrofotografie-accessoires","product_cat-telescoop-accessoires","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"bundled_by":[],"bundle_stock_status":"instock","bundle_stock_quantity":null,"bundle_virtual":false,"bundle_layout":"","bundle_add_to_cart_form_location":"","bundle_editable_in_cart":false,"bundle_sold_individually_context":"","bundle_item_grouping":"","bundle_min_size":"","bundle_max_size":"","bundle_price":[],"bundled_items":[],"bundle_sell_ids":[],"acf":[],"jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":34039,"url":"https:\/\/staging.telescoop.nl\/en\/william-optics-50-200-refractor-guidescope-rotolock-gold-ota\/","url_meta":{"origin":34048,"position":0},"title":"William 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