Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Account Cart

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Optical Glass Objective Lens Concave&Convex Lens for DIY Astronomical Telescope 70mm

Product ID: 661489524

Details

Brand
CAUME
Compatible Mountings
Canon EF Nikon
Focal Length Description
70 mm
Lens Type
Telephoto

🎯F7.1 focus ratio for sharp, precise imaging

🔭70mm diameter for crisp celestial views

🛡️Apochromatic double-separation optics for zero color fringing

308.17 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Description

🔭 See the Universe Like Never Before – Don’t Just Watch Stars, Own Them!

CRYSTAL CLEAR COSMIC CLARITY - Experience ultra-sharp, high-resolution images with apochromatic double-separation lenses that eliminate chromatic aberration.
PRECISION PAIRED FOR PERFECTION - Each lens set is rigorously tested and matched for consistent, flawless imaging performance every time.
VERSATILE DIY ASTRONOMY ESSENTIAL - Perfect for building your own astronomical telescope or enhancing optical instruments with professional-grade quality.
BUILT TO LAST DESIGNED TO IMPRESS - Durable optical glue bonding prevents yellowing and edge peeling, ensuring your lens stays pristine over time.
OPTIMIZED FOR MILLENNIAL STARGAZERS - Compact 72mm diameter and 500mm focus distance deliver powerful, portable stargazing—join the elite community of DIY astronomers.

The CAUME TianWen11WYJ03 is a premium 70mm diameter optical glass objective lens featuring an apochromatic double-separation design that ensures high imaging sharpness without color fringing. With a fixed F7.1 focus ratio and 500mm focus distance, it delivers precise, high-resolution views ideal for DIY astronomical telescopes. Its durable bonding technology prevents aging effects, guaranteeing long-lasting clarity and consistent performance, making it a top choice for serious amateur astronomers and optical instrument builders.

Specifications

ASIN	B0CMZDRQ66
Best Sellers Rank	#86 in Microscope Lenses
Brand	CAUME
Camera Lens	The CAUME TianWen11WYJ03 is a prime camera lens with a fixed focal length of 70mm and a maximum aperture of F7.1. It features optical image stabilization and is designed with a 72mm diameter and a focus distance of 500mm. The lens is constructed with apochromatic double-separation optical structure, ensuring high imaging sharpness and consistent performance. It is suitable for various applications…
Compatible Camera Mount	Canon EF, Nikon F
Focal Length Description	70 mm
Focus Type	Fixed Focus
Image stabilization	Optical
Lens	Telephoto
Lens Design	Prime
Manufacturer	CAUME
Manufacturer Part Number	TianWen11WYJ03
Maximum Aperture	7.1 f_stop
Maximum Focal Length	7 centimeters
Minimum Focal Length	7 centimeters
Model Name	TianWen11WYJ03
Photo Filter Size	7.2 centimeters
Screen Size	7 centimeters
UPC	764015311444
Zoom Ratio	1:1

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

308.17 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

View all Trustpilot reviews