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Cyclops Optics

2021 NEW Release: William Optics FLT-91 f/5.9 APO + FREE International Shipping

HK$17,380.00 HK$16,380.00
(You save HK$1,000.00)

2021 NEW Release: William Optics FLT-91 f/5.9 APO + FREE International Shipping

HK$17,380.00 HK$16,380.00
(You save HK$1,000.00)
SKU:
WO-T-FLT-91-RP33
Shipping Weight:
9.00 KGS
Availability:
Accepting order now! Next batch arrival around 2nd half of April
Shipping:
Calculated at checkout
 
 
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Product Description

Accepting order now, limited quantity available!

**Free International Shipping to most locations **

Available in space grey & red (next batch 2nd half of April) and gold (coming in second half of 2021)

Recommended Accessories:

 

Technical Specifications 

Lens Type

Apochromatic (APO) Triplet Prime Lens

 

Focal Length

540mm

Aperture

91mm

Focal Ratio

f/5.9

Focuser

Dual Speed 3.3" Rack & Pinion Focuser

Color

Red Gold Space grey

 

Lens Material

FPL-53

 

Strehl Ratio

0.95+

 

Camera Format

Full Frame DSLR / Mirrorless / CMOS / CCD

 

Test Report

Zygo test report available at additional cost

 

T-Mounts Supported

Canon EF, RF Nikon F, Z Sony E Pentax K Micro Four Thirds (M4/3) FUJI X

 

Retracted Length

441mm

Extended Length

510mm

 

Extension Tube Length

40mm

OTA Weight

4.17Kg

Total Weight

5.58Kg

Extension Tube Weight

0.11Kg

 

 

 

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