Product Catalog 產品目錄
NEW
MEGREZ 90
Photography
| Bird-watching | Star observation
攝影、賞鳥、觀星
Megrez
90 APO with soft bag, mounting rings HK$6,980 |
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Specification 規 格
Optical
system 光學系統 |
ED doublet APO ED APO二枚式折射鏡 |
Effective
aperture/focal length 有效口徑/ 焦 距/ 焦 比 |
90mm/621mm f/6.9 |
Coating 光學鍍膜 |
STM
coatings |
Objective
Type |
FPL-53, Air Spaced, Fully Multi-Coated, STM coatings |
Linear
Focuser 對 焦 座 |
2"
360° Rotating Camera-angle Adjuster, dual speed 1:10 fine focus |
Field
stops |
2
knife-edge baffles |
Resolution 解 像 力 |
1.35
arc second |
Limiting
magnitude 極限星等 |
11.5等 |
Closest
focus 最近對焦 |
5m
(with extension tueb 3m) |
Tube
length 鏡筒長度 |
435mm
(dew shield fully retracted) |
Weight 重 量 |
3.3kg |
Our Best Price
1. Megrez 90 OTA w/2" power linear 2 speed focuser, 2">1.25"
adapter, mounting rings, carry bag: HK$6,980.00
2. Megrez 90 OTA w/2" power linear 2 speed focuser, 2" dielectric
diagonal, 2">1.25" adapter, mounting rings, carry bag: HK$7,500.00
3. Megrez 90 OTA w/2" power linear 2 speed focuser, 2" dielectric
diagonal, red dot finder, 2">1.25" adapter, mounting rings, carry
bag: HK$7,980.00