---
product_id: 54439773
title: "SolarLite Filter for Telescope, fits ETX90, C-90, Questar 3.5, Wm. Optics ZS80II ED, Orion Obs. 70 & Astroview 90, Orion Explorer 90"
brand: "solarlite"
price: "HK$2385"
currency: HKD
in_stock: true
category: "Electronics"
url: https://www.desertcart.hk/products/54439773-solarlite-filter-for-telescope-fits-etx90-c-90-questar-3
store_origin: HK
region: Hong Kong
---

# SolarLite Filter for Telescope, fits ETX90, C-90, Questar 3.5, Wm. Optics ZS80II ED, Orion Obs. 70 & Astroview 90, Orion Explorer 90

**Brand:** solarlite
**Price:** HK$2385
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** SolarLite Filter for Telescope, fits ETX90, C-90, Questar 3.5, Wm. Optics ZS80II ED, Orion Obs. 70 & Astroview 90, Orion Explorer 90 by solarlite
- **How much does it cost?** HK$2385 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/54439773-solarlite-filter-for-telescope-fits-etx90-c-90-questar-3)

## Best For

- solarlite enthusiasts

## Why This Product

- Trusted solarlite brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

SolarLite Filter for Telescope, fits ETX90, C-90, Questar 3.5, Wm. Optics ZS80II ED, Orion Obs. 70 & Astroview 90, Orion Explorer 90

## Features

- 108mm\4.25" SolarLite Filter for 90mm\3.50" instruments. This filter should fit the following models: C-90, ETX 90, Questar 3.5, Wm. Optics ZS80II ED, Orion Obs. 70 &amp; Astroview 90, Exployer 90 and instruments of similar outer diameter. Part # S4250.
- Please read carefully: 108mm\4.25" is the diameter of the filter. The filter fits like a cap by friction. To be absolutely sure that the filter will fit, please measure the outer diameter of your instrument and make sure that it is not larger.
- SolarLite filters have the optical quality of the glass with the advantages of impregnated polymer (Thousand Oaks Optical Black Polymer). The sun will appear in a natural yellow-orange color when viewed through your telescope using this filter.
- This is a high quality product of Thousand Oaks Optical (Arizona), a manufacturer of safe solar filters for over 30 years. Words of the producer: stronger than any other solar film on the market. Guaranteed 15 years.
- WARNING: ALWAYS MAKE SURE THE FILTER IS WELL ATTACHED TO THE TELESCOPE/BINOCULARS/CAMERA. IN CASE NECESSARY, USE STICKY TAPE TO SECURE IT. NEVER OBSERVE SUN WITHOUT A PROPERLY ATTACHED FILTER!

## Images

![SolarLite Filter for Telescope, fits ETX90, C-90, Questar 3.5, Wm. Optics ZS80II ED, Orion Obs. 70 & Astroview 90, Orion Explorer 90 - Image 1](https://images-eu.ssl-images-amazon.com/images/I/41cjWOTNdNL.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.hk/products/54439773-solarlite-filter-for-telescope-fits-etx90-c-90-questar-3](https://www.desertcart.hk/products/54439773-solarlite-filter-for-telescope-fits-etx90-c-90-questar-3)

---

*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-02-24*