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Explore Scientific 52° Series Waterproof Eyepieces
Experience the Sky Like Never Before
These high-quality oculars offer a 52° apparent field of view for unparalleled comfort and immersion in your astronomical observations. Designed for exceptional quality and eye relief, they far surpass traditional Plossl eyepieces in performance.
Crisp, Clear Details
Unlock new depths of the cosmos with the Explore Scientific Waterproof Eyepieces' excellent contrast and clarity. Their multi-element design ensures crisp, sharp images, allowing you to explore celestial objects with ease.
Whether you're observing planets, nebulae, or distant galaxies, these eyepieces enhance your viewing experience to reveal details previously unseen.
Still have questions? Want to build a custom bundle?
Call to speak with an expert. We're here and happy to help.
854-777-0909 (M-F 9a-5p CST) or
email us at sales@lakehouseandcottage.com
Product Specifications
Specs | 40mm | 30mm | 25mm | 20mm | 15mm | 10mm | 6.5mm | 4.5mm | 3mm |
---|---|---|---|---|---|---|---|---|---|
Focal Length | 40mm | 30mm | 25mm | 20mm | 15mm | 10mm | 6.5mm | 4.5mm | 3mm |
Length | 96.6mm | 75.5mm | 67.7mm | 71mm | 93mm (L) x 43mm (W) | 83mm | 103.5mm | 83.5mm | 90.9mm |
Width | 61.8mm | 47.8mm | - | - | - | 43mm | 43mm | 43mm | 43mm |
Weight | 385.5 grams; 13.6 oz. | 204.1 grams; 7.2 oz. | 181.4 grams; 6.4 oz. | 181.4 grams; 6.4 oz. | 206 g/7.3 oz | 181.4 grams; 6.4 oz. | 226.8 grams; 8 oz. | 181.4 grams; 6.4 oz. | 204.1 grams; 7.2 oz. |
Barrel Size/Type | 2.0” O.D. / Double Taper | 1.25" O.D. / Double Taper | 1.25" O.D. / Double Taper | 1.25" O.D. / Double Taper | 1.25" (31.7mm) / Tapered barrel | 1.25" O.D. / Double Taper | 1.25" O.D. / Double Taper | 1.25" O.D. / Double Taper | 1.25" O.D. / Double Taper |
Eye Relief | 27.1mm | 19.9mm | 16.4mm | 15mm | 16.3mm | 16.6mm | 15.9mm | 15mm | 15mm |
Field Stop Diameter |
36.3mm | 27.2mm | 18.2mm | 18.2mm | 15.5mm | 9.1mm | 5.9mm | 4.1mm | 2.7mm |
Coatings | EMD | EMD | EMD | EMD | EMD | EMD | EMD | EMD | EMD |
Lens Elements/Groups |
4 Elements in 2 Groups; Edge Blackened | 4 Elements in 2 Groups; Edge Blackened | 4 Elements in 2 Groups; Edge Blackened | 5 Elements in 3 Groups; Edge Blackened | 6 in 3 groups | 6 Elements in 3 Groups; Edge Blackened | 6 Elements in 3 Groups; Edge Blackened | 6 Elements in 3 Groups; Edge Blackened | 6 Elements in 3 Groups; Edge Blackened |
Filter Thread | Fits Standard 2.0-inch Dia. Thread in Filters (48mm x 0.75mm) |
Fits Standard 1.25-inch Dia. Thread (1.125-inches x 42 TPI) |
Fits Standard 1.25-inch Dia. Thread (1.125-inches x 42 TPI) |
Fits Standard 1.25-inch Dia. Thread (1.125-inches x 42 TPI) |
Standard 1.25" Filter Thread (M28.5 x 0.6) |
Fits Standard 1.25-inch Dia. Thread (1.125-inches x 42 TPI) |
Fits Standard 1.25-inch Dia. Thread (1.125-inches x 42 TPI) | Fits Standard 1.25-inch Dia. Thread (1.125-inches x 42 TPI) | Fits Standard 1.25-inch Dia. Thread (1.125-inches x 42 TPI) |
Waterproof | O-Ring Sealed Argon Gas Purged; Tested Under 1 Meter of Water for 30 Minutes |
O-Ring Sealed Argon Gas Purged; Tested Under 1 Meter of Water for 30 Minutes |
O-Ring Sealed Argon Gas Purged; Tested Under 1 Meter of Water for 30 Minutes |
O-Ring Sealed Argon Gas Purged; Tested Under 1 Meter of Water for 30 Minutes |
O-Ring Sealed Argon Gas Purged; Tested Under 1 Meter of Water for 30 Minutes |
O-Ring Sealed Argon Gas Purged; Tested Under 1 Meter of Water for 30 Minutes |
O-Ring Sealed Argon Gas Purged; Tested Under 1 Meter of Water for 30 Minutes | O-Ring Sealed Argon Gas Purged; Tested Under 1 Meter of Water for 30 Minutes | O-Ring Sealed Argon Gas Purged; Tested Under 1 Meter of Water for 30 Minutes |
Eyecup | Removable Flip-Down Style Soft Silicone Rubber |
Removable Flip-Down Style Soft Silicone Rubber |
Removable Flip-Down Style Soft Silicone Rubber |
Removable Flip-Down Style Soft Silicone Rubber |
Removable Flip-Down Style Soft Silicone Rubber |
Removable Flip-Down Style Soft Silicone Rubber |
Removable Flip-Down Style Soft Silicone Rubber | Removable Flip-Down Style Soft Silicone Rubber | Removable Flip-Down Style Soft Silicone Rubber |
Lens Caps | Slide-on Top and Bottom |
Slide-on Top and Bottom |
Slide-on Top and Bottom |
Slide-on Top and Bottom |
Slide-on Top and Bottom |
Slide-on Top and Bottom |
Slide-on Top and Bottom | Slide-on Top and Bottom | Slide-on Top and Bottom |
Materials | Optical Glass; Aluminum; Steel; Silicone Rubber |
Optical Glass; Aluminum; Steel; Silicone Rubber |
Optical Glass; Aluminum; Steel; Silicone Rubber |
Optical Glass; Aluminum; Steel; Silicone Rubber |
Optical Glass; Aluminum; Steel; Silicone Rubber |
Optical Glass; Aluminum; Steel; Silicone Rubber |
Optical Glass; Aluminum; Steel; Silicone Rubber |
FAQ
Warranty
Lakehouse & Cottage is on a mission to make outdoor exploration accessible and easy. A major part of that is ensuring our customers have the experiences they desire by providing unwavering support and product protection.
Upon receipt of your product, we encourage you to thoroughly inspect it and familiarize yourself with the applicable warranty coverage. If you have any questions or concerns about your product and its warranty or if you need advice on getting started, please contact us at 854-777-0909.
Registering Your Product:
To maximize the warranty coverage on your EXPLORE SCIENTIFIC product, it is important that you promptly register your product. Instructions for how to do so will be included in your confirmation email. If you do not see them or if you have any questions, please email us at sales@lakehouseandcottage.com and we can assist you.
If registered within 60 days of purchase, your product will have additional warranty protection against manufacturer defects.
Anytime Free Service
Anytime an EXPLORE SCIENTIFIC product needs adjustments, cleaning, or collimation, we will do this service for free, even beyond the warranty period. Just reach out for instructions and our team will provide professional service at no additional cost to you.
Warranty Coverage for Our Products:
Lakehouse & Cottage ensures that EXPLORE SCIENTIFIC products are free from material and workmanship defects for a specific duration based on the product type. Should any such product or component be found defective in materials or workmanship upon inspection by EXPLORE SCIENTIFIC, we will repair or replace it accordingly. To avail of this service, the product must be returned to Lakehouse & Cottage along with proof of purchase and satisfactory product registration.
Warranty Period
Limited USA One Year Warranty (once registered within 60 days of purchase)
Through Lakehouse & Cottage, EXPLORE SCIENTIFIC owns, manages and holds responsibility for all USA warranties. Within the applicable warranty duration, they will undertake the repair or replacement of any product or part found to be defective upon inspection, provided that the defective item is returned to us with verified product registration and prepaid freight charges.
If it has been more than 30 days since the item was purchased, customers are responsible for shipping costs related to returning the product to our facility.
Shipping
We are pleased to offer you free shipping on all orders through Lakehouseandcottage.com
All orders are shipped within 1-2 business days. Product ETA 5-7 business days.
Please note, we do not process shipments on weekends or public holidays. During high order volumes, there may be a slight delay; please allow extra transit time. If a significant shipping delay occurs, we'll notify you via email.
Shipping Carriers
Lakehouse & Cottage uses USPS, FedEx, and UPS delivery services.
Available Shipping Areas
Orders are shipped within the contiguous United States, excluding outlying islands and overseas territories.
Shipping Information Responsibility
Ensure accurate shipping details when placing an order. We're not liable for losses due to incorrect shipping information.
P.O. Box or APO/FPO/DPO addresses are not accepted.
Shipping Tracking Information
You will receive shipment confirmation and tracking information via email.
Damaged or Missing Items
Report any damage or missing packages within 7 business days to sales@lakehouseandcottage.com. While we don't assume responsibility for shipping carrier errors, we'll assist in contacting them and making things right. Keep packaging and damaged items for potential claims.
Refunds and Returns
We know you'll love your order! But just in case you're not fully satisfied, we've streamlined an easy return process.
Our return policy covers a 30-day period. Unfortunately, if 30 days have passed since your purchase, we can't provide a refund or exchange.
For a return to be eligible, the item must be unused and in its original condition and packaging. Please note that a 20% restocking fee applies to all returned products.
To process your return, we require a receipt or proof of purchase.
There are instances where only partial refunds are granted:
- Items not in their original condition, damaged, or missing parts for reasons not due to our error.
- Items returned beyond the 30-day delivery period.
Refunds
Upon receiving and inspecting your return, we'll send an email confirming its arrival and notify you of the approval or rejection of your refund. If approved, a refund will be processed, excluding the 20% restocking fee, and credited to your original method of payment.
Exchanges
We only replace items if they are defective or damaged. If you need to exchange an item for the same product, please email us at sales@lakehouseandcottage.com.
Shipping
To initiate a return, please email us at sales@lakehouseandcottage.com for shipping instructions. You are responsible for paying the shipping costs for returning the item. Shipping fees are non-refundable, and any refund processed will deduct the return shipping cost.
The duration for the exchanged product to reach you may vary based on your location.
For items over $75, consider using a trackable shipping service or purchasing shipping insurance. We cannot guarantee receipt of your returned item without these measures.