William Optics 90 APO User Manual

Megrez 90 APO

Please carefully familiarize yoursel f w ith you r t elescope's
parts and functions before operating it for the first time.

Thank you for choosing a William Optics Megrez 90 APO .

This simp le step-by-s tep instructio n manual is desi gned to
provide Megrez 90 APO owners with a better understanding
of how to operate their new telescope by providing precise,
updated information.

Thes e inst ructi ons wi ll als o guid e you t hroug h how t o
properly mai ntain the Megrez, and how to operate i t at its
maximum capabilities.

Getting to know your telescope

Megrez 90 APO Specifications

Megrez 90 APO Acessories Chart

Connection Instructions ( 2 inches Diagonal Mirror )

Connection Instructions ( Finderscope )

Optional Equipment

Recommended for This Scope

WO Policies & Warranty

01

02

03

04

04

05

06-10

11-12

Focal Ratio

Focal Length

621 mm

Objective Type

Doublet FPL-53 Air Spaced

360° Rotating Camera-angle Adjuster

1:10 Dual speed fine focus

1.25" Adapter Included

Fully Extended 540 mm ( 17.9" )
Fully Retracted 430 mm ( 14.2" )

6.8 lbs. (3.1 kg)

23.2" x 8.3" x 7.1"
(59cm x 21cm x 18cm)

Case Dimensions

(WxHxD)

Case

High Quality Aluminum Case

Tube Length

Tube Weight

90mm

Brass Compression Rings

1.25" Adapter

Focuser

Retractable

12.0

1.05"

Resolving Power

Limiting Magnitude

Tube Diameter

Lens Shade

Megrez 90 APO

Refractor Specifications

F / 6.9

Aperture

90mm