SKU: L-RC51II-U

RedCat 51 MK2.5

光學系統: 4 片式 Petzval 鏡組
焦距: 250 公釐
口徑: 51 公釐
焦比: f/4.9
像圈: 43 公釐
對焦系統: 螺旋式對焦系統
附帶轉接環: 傾斜調整器像旋 M54 → M48 相機接環
適配平場鏡: 無須平場鏡
T環支援: Canon EF, RF Nikon F, Z Sony E Pentax K MFT (M4/3) FUJI X
相容片幅: Full Frame APS-C M4/3
鳩尾規格: Vixen ↔︎ Arca-Swiss
鏡筒長度: 228 公釐 - 291 公釐
鏡管重量: 1.3 公斤 / 2.87 lbs
總重量: 1.76 公斤 / 3.88 lbs

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RedCat 51 MK2.5

$865.00 USD

A region of Vela

Jason Kruger

Eagle Nebula, Omega Nebula, large Sagittarius cloud

Mehmet Ergün

The Blue Horsehead Nebula - IC4592

Dr. Neil Jenkins

M20 & M8 Wide Field

Mehmet Ergün

The Fighting Dragons Of Ara / NGC 6188

Jason Kruger

Rho ophiuchi and Antares region

Mehmet Ergün

Flying Bat & Squid Nebula

Simone Curzi

Vela Supernova Remnant

Rod Prazeres

Sh2-140 Region in HaRGB

LittleGhost

A region of Vela

Jason Kruger

Eagle Nebula, Omega Nebula, large Sagittarius cloud

The Blue Horsehead Nebula - IC4592

Dr. Neil Jenkins

M20 & M8 Wide Field

The Fighting Dragons Of Ara / NGC 6188

Jason Kruger

Rho ophiuchi and Antares region

Flying Bat & Squid Nebula

Vela Supernova Remnant

Rod Prazeres

Sh2-140 Region in HaRGB

LittleGhost

專家評測

2019年2月8日

William Optics RedCat 51 Review

William Optics is a company known for creating high-performance apochromatic refractors and constantly updating and refining their designs. The RedCat 51 Petzval APO is the latest creation from the company that can’t sit still, and it is bound to shake up the industry once more.

Trevor Jones