{{ 'fb_in_app_browser_popup.desc' | translate }} {{ 'fb_in_app_browser_popup.copy_link' | translate }}

{{ 'in_app_browser_popup.desc' | translate }}

nmnh Fragrance Tag FREE worldwide shipping over $75

Your Shopping Cart is empty.
{{ (item.variation.media ? item.variation.media.alt_translations : item.product.cover_media.alt_translations) | translateModel }} {{ (item.variation.media ? item.variation.media.alt_translations : item.product.cover_media.alt_translations) | translateModel }}
{{ 'product.bundled_products.label' | translate }}
{{ 'product.bundle_group_products.label' | translate }}
{{ 'product.buyandget.label' | translate }}
{{ 'product.gift.label' | translate }}
{{ 'product.addon_products.label' | translate }}
{{item.product.title_translations|translateModel}}
{{ field.name_translations | translateModel }}

  • {{ childProduct.title_translations | translateModel }}

    {{ getChildVariationShorthand(childProduct.child_variation) }}

{{ 'product.set.open_variation' | translate }}

  • {{ getSelectedItemDetail(selectedChildProduct, item).childProductName }} x {{ selectedChildProduct.quantity || 1 }}

    {{ getSelectedItemDetail(selectedChildProduct, item).childVariationName }}

{{item.variation.name}}
{{item.quantity}}x NT$0 {{ item.unit_point }} Point
Remove
{{addonItem.product.cover_media.alt_translations | translateModel}}
{{ 'product.addon_products.label' | translate }}
{{addonItem.product.title_translations|translateModel}}
{{addonItem.quantity}}x {{ mainConfig.merchantData.base_currency.alternate_symbol + "0" }}
Remove
View All / BRAND / GSO
GSO 4.5" F/4 Imaging Newtonian (2"MR&P)

GSO 4.5" F/4 Imaging Newtonian (2"MR&P)

{{shoplineProductReview.avg_score}} {{'product.product_review.stars' | translate}} | {{shoplineProductReview.total}} {{'product.product_review.reviews' | translate}}
{{amazonProductReview.avg_rating}} {{'product.product_review.stars' | translate}} | {{amazonProductReview.total_comment_count}} {{'product.product_review.reviews' | translate}}
Quantity Product set quantity
The maximum quantity per submit is 99999
This quantity is invalid, please enter a valid quantity.
Sold Out

Not enough stock.
Your item was not added to your cart.

Not enough stock.
Please adjust your quantity.

{{'products.quick_cart.out_of_number_hint'| translate}}

{{'product.preorder_limit.hint'| translate}}

Limit {{ product.max_order_quantity }} per order.

Only {{ quantityOfStock }} item(s) left.

Please message the shop owner for order details.
Description

Key Features:

  • Optics:

    • 114mm (4.5") parabolic primary mirror with 94% reflectivity for high brightness and contrast.

    • Fast f/4 focal ratio (456mm focal length) – ideal for wide-field observation and astrophotography.

    • 41mm secondary mirror (94% reflectivity) for optimal illumination.

  • Build & Stability:

    • Carbon fiber tube minimizes weight while enhancing focus stability for astrophotography.

    • Solid metal spider vanes secure the secondary mirror for reduced vibration.

    • Pre-installed GP/EQ5-style dovetail bar with photo tripod compatibility.

  • Focuser & Accessories:

    • 2" RAP focuser with M54 threading and reduction adapter; compatible with ZWO EAF (electronic autofocus).

    • Central collimation marking for quick alignment.

    • Finder shoe for mounting guide scopes or finders.

Shipping & Payment

Delivery Options

  • FedEx International Priority® (Singapore)
  • 順豐到付
  • EMS (Small items ONLY)(7-14days)
  • FedEx International Priority® (Small items ONLY)(3-5days)
  • Worldwide Shipping (Ask shipping cost before purchase)
  • SELLER DELIVERY
  • 7-11 Pickup and pay in store (C2C)
  • Family Mart Pickup and pay in store (C2C)

Payment Options

  • PayPal
  • Credit Card
  • Pay on Family Mart Store Pickup (C2C)
  • Pay on 7-11 Store Pickup (C2C)

Related Products