FLT98

                           NEW FLT98 ED triplet DDG photo edition 數位顯示讀數 (最新)
                      Photography | Bird-watching | Star observation 攝影、賞鳥、觀星

FLT98 白色鏡筒，日本FPL53ED鏡片，強化天梯牙調焦座，人手制造，100%檢查，2009 S&T雜誌熱賣產品

FLT98 攝影版 :

3.5" 羽毛調焦對焦座，影像圈可達80mm

包含 :
抱箍 2個，軟包

FLT98 photo edition :

3.5" 10:1 focuser,
mounting rings, soft carry bag

2010 Sky & Telescope
Hot Product

Special price 特價
HK$17800 | RMB14600

景德第4代平場鏡縮焦鏡 0.75~0.8x

William Optics AFR-IV Adjustable Flattener and (0.75x-0.8x reducer) was made for 500-1000mm refractors, 66mm-86mm back focus, clear aperture 50mm, weight 540g

Rotating T-ring thread for any 35mm camera. The T-ring adapter is provided with a lock screw and extra lock retaining screws.

SUITABLE FOR ‧ M90(2010 model), FLT98, FLT110, FLT132 and many others

HK$2340 (5% off) => HK$2220


This WO Vixen style dovetail plate also fit Vixen mounts, Portal mount and Synta mounts (EQ-#), Orion Atlas EQ-G, EQ5. William Optics EAZY-Touch Alt-Az Mount, Meade LXD-55 and LXD-75 mounts, Celestron CG-5 or CG-5GT Advanced Series go-to mounts.高質量燕尾板 HK$600		2" photo adapter with 42mm T2 thread 2寸攝影套管 HK$350	2" extension tube with brass compression ring 2寸延長管 HK$300


2" dielectric diagonal 1/10λ 99% reflectivity 2寸電介膜天頂鏡 HK$850		1.25" erecting prism, BAK4 prism, clear aperture 25mm 1.25寸正像稜鏡 HK$510	WO 1.25" carbon fibre Dielectric diagonal, $540 有現貨 Stock available

FLT98 triplet Carbon Fiber tube and best lens WO ever made is now available. Merely 3.9kg weight, 500mm long, really a grab and go scope.

DDG adjustment manual

羽毛調焦 + 數位顯示對焦座調整說明

Carbon fibre tube, strength focuser 10:1 microfocuser, camera angle adjuster, mounting rings

Matte dew shield, knife-edge baffling

2.5" Linear power focuser, focus lock, 2">1.25" eyepiece holde

DISCOTINUED 已停產

FPL-53 ED triplet Apochromat

Lens Japan made

Specification 規格

Optical system
光學系統
三片式低色散 FD APO
(FPL-53 Air Spaced, Japan made Ohara glass)

Effective aperture
有效口徑
98mm

Coating
光學鍍膜
Super Multi-Coated with a special super-high transmission coating (STM Coating) on all surfaces.
多層Super Multi-coating 高透光超級鍍膜於所有玻璃表面

Focal length
焦　　距
618mm（f/6.3)

Focuser (FLT-98 new version)
對焦座
3.5" New Robust Linear Focuser, rotatable design 羽毛調焦
Intergrated 1:10 fine focus, 100 mm Focuser Travel Length

Digital Display Guage (DDG)
Focus Time, date, temperature

Resolution
解像力
0.85 arc second
0.85秒角

Limiting magnitude
極限星等
11.1等

Type of mount
抱箍
2 mounting rings included
2 個強化抱箍

Tube surface handling
鏡筒表面處理

5 layer Dupont coating
5 層杜邦 (Dupont) 烤漆

Tube length
鏡筒長度
513mm 遮光罩後縮狀態
600mm 遮光罩前伸狀態

Weight 重　　量
5.18kg (11.4lbs)

Soft carry bag 軟包 Robust Durable Soft Carrying bag

Optical system 光學系統	三片式低色散 FD APO (FPL-53 Air Spaced, Japan made Ohara glass)
Effective aperture 有效口徑	98mm
Coating 光學鍍膜	Super Multi-Coated with a special super-high transmission coating (STM Coating) on all surfaces. 多層Super Multi-coating 高透光超級鍍膜於所有玻璃表面
Focal length 焦　　距	618mm（f/6.3)
Focuser (FLT-98 new version) 對焦座	3.5" New Robust Linear Focuser, rotatable design 羽毛調焦 Intergrated 1:10 fine focus, 100 mm Focuser Travel Length
Digital Display Guage (DDG)	Focus Time, date, temperature
Resolution 解像力	0.85 arc second 0.85秒角
Limiting magnitude 極限星等	11.1等
Type of mount 抱箍	2 mounting rings included 2 個強化抱箍
Tube surface handling 鏡筒表面處理	5 layer Dupont coating 5 層杜邦 (Dupont) 烤漆
Tube length 鏡筒長度	513mm 遮光罩後縮狀態 600mm 遮光罩前伸狀態
Weight 重　　量	5.18kg (11.4lbs)
Soft carry bag 軟包	Robust Durable Soft Carrying bag