{"id":31862,"date":"2025-10-30T16:55:18","date_gmt":"2025-10-30T15:55:18","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&p=31862"},"modified":"2026-06-03T10:20:52","modified_gmt":"2026-06-03T08:20:52","slug":"bresser-messier-90-500-refractor-exos-1","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/bresser-messier-90-500-refractor-exos-1\/","title":{"rendered":"Bresser Messier 90\/500 Refractor EXOS-1"},"content":{"rendered":"

Bresser AC 90\/500 - Compact powerhouse for wide sky images<\/strong><\/p>\n\n\n\n

The Bresser AC 90\/500<\/strong> is perfect if you want to explore the night sky for the first time. The 90 mm aperture captures enough light to show open star clusters, nebulae and the Milky Way clearly. The short focal length of 500 mm provides a wide field of view - ideal for viewing large areas of the sky at once.<\/p>\n\n\n\n

\"Bresser<\/figure>\n\n\n\n

You see results immediately. Aim, focus and watch - without complicated settings. The images are bright, sharp and high-contrast, so you can really appreciate the texture of star fields or the glowing nebula of Orion.<\/p>\n\n\n\n

The aluminum tube is light but sturdy enough to remain stable while observing. The EXOS-1 mount<\/strong> is surprisingly solid for its class. It keeps the telescope vibration-free, so you can track objects smoothly. Want to go further later? The mount is expandable with a motor for automatic tracking.<\/p>\n\n\n\n

\"Bresser<\/figure>\n\n\n\n

The 26 mm eyepiece and 6\u00d730 viewfinder make setting up easy. Within minutes, you're ready to explore the sky. Whether looking at the moon, Jupiter or the Andromeda Nebula - this compact refractor delivers a clear and stable image every time.<\/p>\n\n\n\n

What to expect<\/strong>
\u2713 Moon: sharp craters, mountains and shadows coming to life.
\u2713 Planets: cloud bands on Jupiter, rings of Saturn and color contrasts on Mars.
\u2713 Deep-sky: open star clusters and bright nebulae visible in their full glory.
\u2713 Ease of use: light, compact and quickly set up - ideal for spontaneous observations.
\u2717 Astrophotography: limited to short exposures.
\u2717 Sun: safe to use only with an appropriate sunscreen.<\/p>\n\n\n\n

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

Optics<\/strong><\/p>\n\n\n\n

Feature<\/th>Description<\/th><\/tr><\/thead>
Design<\/td>Achromat (refractor)<\/td><\/tr>
Type<\/td>Refractor<\/td><\/tr>
Aperture (mm)<\/td>90<\/td><\/tr>
Focal length (mm)<\/td>500<\/td><\/tr>
Focal Ratio (f\/)<\/td>5,5<\/td><\/tr>
Resolution (arcsec)<\/td>1,28<\/td><\/tr>
Boundary magnitude<\/td>11,6<\/td><\/tr>
Light output<\/td>170\u00d7 relative to the human eye<\/td><\/tr>
Max. useful magnification<\/td>180\u00d7<\/td><\/tr>
Tube material<\/td>Aluminum<\/td><\/tr>
Tube weight (kg)<\/td>1,9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Focuser<\/strong><\/p>\n\n\n\n

Feature<\/th>Description<\/th><\/tr><\/thead>
Design<\/td>Rack Focuser<\/td><\/tr>
Ocular connection<\/td>1,25\u2033<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Mount<\/strong><\/p>\n\n\n\n

Feature<\/th>Description<\/th><\/tr><\/thead>
Type<\/td>Equatorial<\/td><\/tr>
Design<\/td>EXOS-1<\/td><\/tr>
GoTo control<\/td>No<\/td><\/tr>
Carrying capacity<\/td>7 kg<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Tripod<\/strong><\/p>\n\n\n\n

Feature<\/th>Description<\/th><\/tr><\/thead>
Type<\/td>Tripod with accessory holder<\/td><\/tr>
Material<\/td>Steel<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Included accessories<\/strong><\/p>\n\n\n\n

Section<\/th>Description<\/th><\/tr><\/thead>
Ocular<\/td>26 mm Super Pl\u00f6ssl (1.25\u2033)<\/td><\/tr>
Seeker<\/td>6\u00d730<\/td><\/tr>
Zenith mirror<\/td>90\u00b0 star diagonal<\/td><\/tr>
Dew cap<\/td>Yes<\/td><\/tr>
Slow motion cable<\/td>Yes<\/td><\/tr>
Dovetail<\/td>Vixen-style<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

General<\/strong><\/p>\n\n\n\n

Feature<\/th>Description<\/th><\/tr><\/thead>
Series<\/td>Messier<\/td><\/tr>
Total weight (kg)<\/td>12<\/td><\/tr>
Observation goals<\/td>Moon & Planets, Nebulae & Galaxies<\/td><\/tr>
Astrophotography<\/td>No<\/td><\/tr>
Recommended for<\/td>Beginners<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"

Bresser AC 90\/500 comes with EXOS-1 mount, 26mm eyepiece, 6\u00d730 viewfinder, 90\u00b0 zenith prism, slow-motion cables, Vixen swallowtail, accessory holder and steel tripod - ideal for beginners looking for a compact telescope with a wide field of view for deep sky objects and star clusters.<\/p>","protected":false},"featured_media":96309,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[128],"product_cat":[51,567],"product_tag":[],"class_list":["post-31862","product","type-product","status-publish","has-post-thumbnail","product_brand-bresser","product_cat-telescopen","product_cat-refractor-telescopen","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":31903,"url":"https:\/\/www.telescoop.nl\/en\/bresser-messier-90-500-refractor-exos-2\/","url_meta":{"origin":31862,"position":0},"title":"Bresser Messier 90\/500 Refractor EXOS-2","author":"","date":"01-11-2025","format":false,"excerpt":"Bresser AC 90\/500 comes with EXOS-2 mount, 26mm eyepiece, 6x30 viewfinder, 90\u00b0 zenith prism, slow-motion cables, polar finder, Vixen-style dovetail and stable steel tripod - 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