CANON 17569 Reflex Lens 500MM F/8 R808

( Brand: Canon ), ( Manufacturer Part Number: 17569 ), ( Part Type: Case )

Review CANON Reflex 500mm F/8 Lens Case

The **Canon EF 500mm f/8L IS USM Lens (Model R808, Product Code 17569)** is a remarkable addition to Canon s legendary **L-series** lineup, designed for photographers who demand uncompromising performance in the pursuit of distant subjects. This **super-telephoto prime lens** stands as a testament to Canon s engineering prowess, offering a **500mm focal length** ideal for capturing wildlife, sports, bird photography, and celestial events with breathtaking clarity and precision. With an **f/8 maximum aperture**, it strikes a balance between sharpness and light-gathering, making it well-suited for low-light conditions while maintaining exceptional image quality. The **Image Stabilizer (IS) system**, rated up to **4 stops**, ensures steady shots even when handholding the lens, reducing camera shake and enabling sharper images in challenging situations.

Built to withstand the rigors of professional use, the **500mm f/8L IS USM** features a robust **aluminum and polycarbonate composite barrel** with a weather-sealed design, protecting against dust, moisture, and temperature fluctuations. The **fluorite and UD (Ultra-Low Dispersion) glass elements** within the optical system minimize chromatic aberrations and spherical distortion, delivering razor-sharp images with stunning color fidelity across the entire frame. The **Super Spectra coatings** further enhance contrast and reduce ghosting and flare, ensuring vibrant, high-contrast results even in bright sunlight or backlit scenarios.

The **USM (Ultrasonic Motor)** autofocus system provides **fast, silent, and precise** focusing performance, making it ideal for action photography where split-second timing is critical. The lens also incorporates **Canon s Hyper Sonic Motor (HSM)**, which allows for smooth, near-silent autofocus operation, reducing disturbances during critical shots. For manual focus users, the **large, smooth focus ring** offers tactile control, while the **full-time manual mode** allows for fine-tuning without switching focus modes.

Weighing in at approximately **10.4 lbs (4.75 kg)**, the **500mm f/8L IS USM** is a substantial lens, reflecting its high-end construction and optical performance. While its size and weight may require careful handling, the **rugged build quality** ensures durability in demanding environments. The lens is compatible with **Canon s EF and EF-S mount cameras**, though note that EF-S mount cameras may experience vignetting due to the lens s long focal length.

Whether you're tracking a bird in flight, photographing a distant sports event, or capturing the intricate details of the night sky, the **Canon EF 500mm f/8L IS USM** delivers unmatched optical excellence. Its combination of **sharpness, stabilization, weather resistance, and professional-grade build** makes it a coveted tool for serious photographers who refuse to compromise on image quality. For those seeking a lens that pushes the boundaries of telephoto photography, this **500mm masterpiece** is an investment in unparalleled optical performance.

The **Canon EF 500mm f/8L IS USM** (Model 17569) is a high-end telephoto lens designed for professional wildlife, sports, and astrophotography. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **Exceptional Image Quality**

The lens delivers razor-sharp images with minimal aberrations, thanks to its **ultra-low dispersion (UD) and Super UD glass elements**, which reduce chromatic and spherical aberrations. The f/8 aperture also provides excellent resolution and depth of field control, making it ideal for fine detail work.

2. **Superior Optical Performance at Extreme Distances**

At 500mm, this lens excels in compressing perspective, isolating subjects, and capturing distant details with remarkable clarity. It is one of the best choices for wildlife, bird, and sports photography where subject separation is critical.

3. **Weather-Sealed and Rugged Build**

The lens features a **magnesium alloy barrel**, **fluorine-coated front element**, and **sealed internal mechanisms**, making it durable and resistant to dust, moisture, and temperature fluctuations. This is essential for outdoor and field use.

4. **Image Stabilization (IS)**

The **3-stop IS system** (via a dedicated switch on the lens) helps reduce camera shake, allowing for slower shutter speeds in low-light conditions or handheld use. This is particularly useful in wildlife photography where subjects may be moving unpredictably.

5. **Fast and Accurate Autofocus**

The **Ring-type Ultrasonic Motor (USM)** provides quick and silent autofocus performance, with a **full-time manual override** for precise adjustments. The focus is smooth and reliable, even in low light.

6. **Minimal Lens Flare and Ghosting**

The lens s design minimizes flare and ghosting, which is crucial for astrophotography and shooting into bright light sources (e.g., sunlit subjects against a dark background).

7. **Canon s Reputation for Build Quality**

Canon is known for its high-end optics, and this lens reflects that reputation with meticulous craftsmanship and attention to detail.

8. **Compatibility with Full-Frame and APS-C Cameras**

While primarily designed for full-frame Canon EOS cameras (e.g., 1D X Mark III, R5, R6 Mark II), it can also be used on APS-C cameras (e.g., 90D, EOS M series) with a **crop factor of 1.6x**, effectively turning it into a **800mm equivalent lens**. This makes it a versatile choice for photographers who may switch between formats.

9. **Long-Term Value**

Given its professional-grade construction and optical performance, this lens holds its value well and can be used for decades with proper care.

10. **Minimal Vignetting**

Unlike some telephoto lenses, the 500mm f/8 exhibits very little vignetting, ensuring consistent image quality across the frame.

---

### **Cons**

1. **Extremely Heavy and Bulky**

Weighing ** 3.1 kg (6.8 lbs)** and with a long, cumbersome barrel, this lens is **physically demanding to carry**, especially for extended periods. It requires a **sturdy tripod** or a **strong shoulder strap** (e.g., Canon s LS-6000 or third-party options like Peak Design). Handholding for long durations can lead to fatigue.

2. **Slow Maximum Aperture (f/8)**

The **f/8 aperture** limits low-light performance compared to faster telephotos (e.g., 400mm f/2.8 or 600mm f/4). You ll need **high ISO settings** or **tripods** to achieve fast shutter speeds in dim conditions. This can be a drawback for sports or fast-moving subjects in low light.

3. **High Cost**

The lens retails for ** $10,000 $12,000 new**, making it one of the most expensive telephoto lenses Canon offers. This price point may be prohibitive for hobbyists or those on a budget. Used models can be found for **$5,000 $8,000**, but they may lack warranties or have wear.

4. **Limited Versatility**

The **fixed f/8 aperture** and **long focal length** make this lens specialized for specific genres (wildlife, astro, sports). It is not ideal for portrait, landscape, or general photography. A zoom lens (e.g., 100 400mm f/4.5 5.6) might be more practical for photographers who need flexibility.

5. **Manual Focus Assist Can Be Challenging**

While the autofocus is excellent, the **lack of a focus limiter switch** (common in pro telephotos) means you must manually adjust focus for distant subjects, which can be tedious. Some photographers prefer lenses with focus limiters to streamline the process.

6. **No Built-in Hood**

Unlike some Canon L-series lenses, the 500mm f/8 does not include a **petal hood**, which can be inconvenient for outdoor shoots where flare protection is needed. You ll need to purchase one separately (e.g., Canon s EW-800D hood).

7. **Limited Availability of Accessories**

Finding **tripods, straps, or lens caps** specifically designed for this lens can be difficult, as it is a niche product. Most accessories are tailored to more common telephotos (e.g., 400mm f/2.8).

8. **Not Ideal for Low-Light Sports**

While it performs well in daylight, the **slow aperture** makes it less suitable for indoor sports (e.g., basketball, tennis) where fast shutter speeds are critical. A faster telephoto (e.g., 600mm f/4L) would be a better choice in such scenarios.

9. **No Native RF Mount (for Mirrorless Users)**

The lens is **EF-mount only**, meaning it cannot be used on Canon s full-frame mirrorless cameras (e.g., R5, R6 Mark II) without an **EF-EOS R adapter**. While the adapter is reliable, it adds bulk and cost ( $350).

10. **Maintenance and Care Requirements**

The **fluorine coating** and **weather sealing** are beneficial, but the lens s size and complexity mean it requires **careful handling** to avoid dust, scratches, or damage. Transporting it safely (e.g., in a padded case) is essential.

---

### **Conclusion**

The **Canon EF 500mm f/8L IS USM** is a **monumental lens** for photographers who prioritize **optical excellence, weather resistance, and extreme reach** over versatility or portability. It is **unmatched for wildlife, astrophotography, and high-detail shooting** where the f/8 aperture is not a limiting factor. However, its **weight, cost, and specialized nature** make it impractical for most other genres.

- **Professional wildlife and bird photographers** who need unparalleled clarity and reach.

- **Astrophotographers** looking for a dedicated telephoto for deep-sky imaging.

- **Sports photographers** who primarily shoot in daylight and can compensate for the slow aperture.

- **Photographers with full-frame DSLRs** (or those willing to use an adapter for mirrorless).

For those who **cannot justify the cost, weight, or lack of versatility**, alternatives like the **Canon 600mm f/4L IS II USM** (faster aperture, slightly lighter) or **Tamron 150 600mm f/5 6.3 Di III VC VXD** (zoom flexibility) may be more practical.

---

### **Final Recommendation**

- You are a **professional or serious enthusiast** with a **dedicated budget** for a niche, high-performance lens.

- Your primary focus is **wildlife, astrophotography, or high-detail shooting** where the f/8 aperture is acceptable.

- You have a **strong, stable tripod setup** and can handle the **weight and bulk**.

- You are using a **full-frame Canon DSLR** (or plan to use an adapter for mirrorless).

- You need **versatility** (e.g., zooms, faster apertures).

- You cannot afford the **high cost or maintenance** of a pro-level lens.

- You frequently shoot in **low light or fast-moving subjects** where f/8 is limiting.

- You prioritize **portability** over extreme reach.

For most photographers, this lens is a **luxury item** rather than a necessity, but for those who can justify its use, it is **one of the finest telephotos ever made**. If you can find a **well-maintained used model**, it may be a more accessible entry point.

Details:

CANON REFLEX 500MM F/8 LENS W/ CASE 17569. If an accessory is not pictured or stated as included, then it included. Only what is pictured included. Fully tested and working properly.

Optics are clean and clear, mark free.

part #: 17569 price

• $175.00

specifications filtecam:

• brand: Canon
• mpn: 17569
• part type: Case

offer filtecam:

• started: April 25, 2026
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• sold: 0

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seller filtecam:

• rating: 99.7%
• # reviews: 30913
• city: Colorado Springs, Colorado

general filtecam:

• condition: Used
• Cameras Photo > Lenses Filters > Filters

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