Key Specs

Optical Structure Maksutov-Cassegrain catadioptric
Eyepiece Size 22mm
Objective Aperture 70mm
Optical Coating FMC multi-layer broadband green coating
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SPECIFICATIONS

SAGA Mak-Cass II 25-75x70 Spotting Scope Full Specifications

Zoom Range 25-75x
Zoom System Stepless continuous zoom
Objective Aperture 70mm
Optical Structure Maksutov-Cassegrain catadioptric
Eyepiece Size 22mm
Eyepiece OD 47mm
Prism Type BaK-4 prism (20mm large)
Optical Coating FMC multi-layer broadband green coating
Objective Focal Length 780mm (f/11.2)
Field of View 20-35m@1000m
Exit Pupil Diameter 2.8-0.93mm
Eye Relief 15-13mm
Close Focus 4.5m
Waterproof Nitrogen-filled waterproof
Body Material Metal + ABS engineering plastic
Tripod Mount 1/4" standard tripod mount
Dimensions 250 x 83 x 135mm (L x W x H)
Net Weight 850g
Model No. Maksutov II

Never look at the sun through the telescope — it can cause permanent eye damage or blindness.

PRODUCT OVERVIEW

SAGA Mak-Cass II 25-75x70 Spotting Scope Product Overview

The SAGA Mak-Cass II 25-75x70 spotting scope uses a Maksutov-Cassegrain catadioptric design that packs a 780mm objective focal length into a 250mm body, delivering true 25-75x continuous zoom with powerful close-up views. A 70mm objective, 5-element eyepiece (with 2 cemented groups) and 22mm eyepiece produce bright, comfortable images, while FMC broadband multi-coating and a large 20mm BAK4 prism enhance light transmission and clarity. With a 33% wider field of view than its predecessor and a 30mm shorter body, it balances high magnification with portability. Nitrogen-filled waterproofing makes it ideal for birdwatching, scenic viewing and lunar observation.

  • Maksutov catadioptric structure, 250 mm short body delivers 780 mm objective focal length, high effective magnification
  • True 25–75x continuous zoom, strong high-mag pull-in, no false specs
  • 70 mm large objective, large light intake, bright and clear imaging
  • 5-element eyepiece (with 2 cemented groups), upgrade from previous generation, sharper
  • 22 mm large eyepiece, 4 mm larger than previous generation, more comfortable long viewing
  • FMC multi-layer broadband green coating, high transmittance, significant upgrade over previous blue coating
  • Field of view at 1 km: 20–35 m, 33% improvement over previous generation
  • 20 mm BAK4 large prism, clear imaging, good contrast
  • Body 30 mm shorter than previous generation, smaller size among same-aperture spotting scopes, more portable
  • Nitrogen-filled waterproof and anti-fog, fits humid outdoor conditions
  • Maksutov catadioptric structure, 250 mm short body delivers 780 mm objective focal length, higher effective magnification
  • 25–75x continuous zoom, supports multi-magnification adjustment
  • 70 mm large objective, optimizes light intake
  • 5-element eyepiece (with 2 cemented groups), optical configuration upgrade over previous generation
  • 22 mm large eyepiece; 4 mm larger than previous generation
  • FMC multi-layer broadband green coating, reduces light loss; replaces previous generation blue coating
  • Field of view at 1 km: 20–35 m; 33% improvement over previous generation
  • 20 mm BAK4 large prism, optimizes image clarity and contrast
  • Compared to previous generation, body length reduced by 30 mm, more compact
  • Nitrogen-filled waterproof and anti-fog structure, fits humid outdoor conditions
WHY THIS ONE

SAGA Mak-Cass II 25-75x70 Spotting Scope Product Features

Maksutov catadioptric structure

250 mm short body delivers 780 mm objective focal length, high effective magnification

True 25–75x continuous zoom

strong high-mag pull-in, no false specs

70 mm large objective

large light intake, bright and clear imaging

5-element eyepiece (with 2 cemented groups)

upgrade from previous generation, sharper

22 mm large eyepiece

4 mm larger than previous generation, more comfortable long viewing

FMC multi-layer broadband green coating

high transmittance, significant upgrade over previous blue coating

Field of view at 1 km

20–35 m, 33% improvement over previous generation

20 mm BAK4 large prism

clear imaging, good contrast

Body 30 mm shorter than previous generation

smaller size among same-aperture spotting scopes, more portable

Nitrogen-filled waterproof and anti-fog

fits humid outdoor conditions

Maksutov catadioptric structure

250 mm short body delivers 780 mm objective focal length, higher effective magnification

25–75x continuous zoom

supports multi-magnification adjustment

70 mm large objective

optimizes light intake

5-element eyepiece (with 2 cemented groups)

optical configuration upgrade over previous generation

22 mm large eyepiece; 4 mm larger than previous generation

FMC multi-layer broadband green coating

reduces light loss; replaces previous generation blue coating

Field of view at 1 km

20–35 m; 33% improvement over previous generation

20 mm BAK4 large prism

optimizes image clarity and contrast

Compared to previous generation

body length reduced by 30 mm, more compact

Nitrogen-filled waterproof and anti-fog structure

fits humid outdoor conditions

IN THE BOX

SAGA Mak-Cass II 25-75x70 Spotting Scope Package Contents

Telescope UnitEyepiece CapObjective CapPremium Soft CaseCase StrapInstruction ManualLens ClothPackaging Box
FAQ

Frequently Asked Questions

What are the key specifications?

Zoom Range: 25-75x; Zoom System: Stepless continuous zoom; Objective Aperture: 70mm; Optical Structure: Maksutov-Cassegrain catadioptric; Eyepiece Size: 22mm; Eyepiece OD: 47mm. Full parameters are listed in the specification table above.

What is included in the box?

Standard package: Telescope Unit, Eyepiece Cap, Objective Cap, Premium Soft Case, Case Strap, Instruction Manual, Lens Cloth, Packaging Box.

What are the main features?

Maksutov catadioptric structure, 250 mm short body delivers 780 mm objective focal length, high effective magnification; True 25–75x continuous zoom, strong high-mag pull-in, no false specs; 70 mm large objective, large light intake, bright and clear imaging.

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BUYING GUIDE

What to Consider When Choosing a Spotting Scope

Magnification

Spotting scopes typically zoom from 20x to 60x. Low power finds birds quickly, high power reveals detail — one scope, many uses.

Objective Diameter

A larger objective gives a brighter image, staying clear in the low light of dawn and dusk. 65mm and above is mainstream for birding.

ED Glass

Chromatic aberration is more visible at high power. ED glass effectively removes purple fringing so feather detail stays sharp.

Tripod Mount

High-power viewing demands a tripod. The standard 1/4" mount fits most tripods on the market — stability is the foundation of clarity.

Eyepiece Design

Long eye relief is glasses-friendly, and 45° or straight eyepieces suit different postures for a more comfortable neck.

Waterproof & Fogproof

Outdoor humidity is hard on optics. A nitrogen-filled waterproof body prevents fogging and water ingress, staying reliable in harsh weather.

Learn more about optics Go to Optics Insights →
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SAGA Mak-Cass II 25-75X70 Spotting Scope
SAGA Mak-Cass II 25-75X70 Spotting Scope
  • Optical StructureMaksutov-Cassegrain catadioptric
  • Eyepiece Size22mm
  • Objective Aperture70mm
  • Optical CoatingFMC multi-layer broadband green coating
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