GT81 Latest & Most Current Version: GT81-IV

GTF 81 APO is a f/6.6 air-spaced triplet FPL-53 apochromatic with built in doublet ED flattener, a total of 5 elements in two groups design

Includes

• GTF-81 APO
• 2" 1:10 rack & pinion focuser
• 360º camera angle adjuster
• L-bracket mounting
• A pair of Finderscope/guidingscope mounting rings
• 2" to 1.25" adapter with brass compression ring
• Retractable lens shade
• Carry handle with V-shape illuminator

Highlights

• 81mm f/6.6 triplet air-spaced objectives aprochromatics
• Built in flattener
• Includes 1 FPL-53 fluorite element
• Precision optics with STM coating
• Very sharp image with great colour correction
• Designed for astrophotography

Cyclops Optics' Exclusive Fine Tuning Service

We offer fine tuning service for the telescopes to provide a smoother screws control and grant the telescope a premium quality touch. The fine tune service costs HK$400 (US$50). It's now waived for time-limited period.

Specifications

Free shipping applies

United States, S. Korea, Japan, Malaysia, Philippines, Singapore, Hong Kong, Taiwan, Indonesia, Australia, New Zealand, Germany, France, Switzerland, Sweden, Denmark, Netherlands, United Kingdoms and others.

Via FedEx International Economy. Arriving in 1-5 working days.

Warranty

7 days no question asked return if due to material or worksmanship defects

2 years from William Optics

Cyclops Optics Ltd. is an authorised dealer of William Optics' products.

Quality Control