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Hoya 77mm Moose Peterson Warming Polarizer — main product image
Hoya 77mm Moose Peterson Warming Polarizer
Hoya 77mm Moose Peterson Warming Polarizer
Hoya 77mm Moose Peterson Warming Polarizer
Hoya

Hoya 77mm Moose Peterson Warming Polarizer

★★★★★4.0 (30 reviews)

One filter, two effects: the Hoya Moose Peterson combines a rotating polarizer with built-in 81A warming to deepen skies and add golden warmth in a single 77mm element.

$127.90*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Hoya Moose Peterson Warming Circular Polarizer is the product of a collaboration between Hoya's optical engineering and wildlife photographer B. Moose Peterson's field experience — specifically, the recognition that a standard CPL can neutralize the warm character of natural light while cutting reflections. The filter solves that trade-off by permanently pairing a rotating polarizer with an 81A warming element, so you get both effects simultaneously. For landscape and wildlife photographers working in early morning light, open shade, or the soft warmth of an overcast day, this combination produces a finished look closer to what your eye actually perceives — richer, not cooler. The 77mm thread makes it practical across a wide range of telephoto and standard zoom glass.

The multi-coating on the filter glass is doing real work here: a polarizer by design introduces glass elements that can produce their own internal reflections, and the warming layer adds another optical surface. Hoya's coating keeps inter-element flare and ghosting controlled, so you're not trading reflection cuts at the scene for artifacts introduced by the filter itself. The rotating ring operates smoothly with enough resistance to hold position through a shoot. The key constraint to understand before buying is that the 81A warming is fixed — this is not a neutral CPL with an optional warming attachment. If your shooting context regularly calls for color-accurate polarization without warmth, a standard Hoya CPL is the more versatile tool. But for outdoor nature work where the warmth enhances rather than conflicts, this filter earns its place as the one to leave on the lens.

Key Features

81A warming filter

Specifications

Brand
Hoya
Model
B77CIRPLWGB
Filter Size
77mm
Filter Type
Circular Polarizer with 81A Warming
Warming Element
81A (fixed)
Material
Glass
Coating
Multi-coating
Effect Type
Color correcting + polarizing
Water Resistance
Not water resistant

Pros & Cons

👍 Pros

  • Combines polarizer and 81A warming into a single filter element — eliminates one ring from your stack and reduces vignetting risk compared to stacking two separate filters.
  • Adds natural warmth to outdoor scenes that a standard CPL strips out, particularly valuable in open shade or overcast conditions where light runs cold.
  • Multi-coating minimizes internal reflections within the filter glass, keeping flare and ghosting controlled even when shooting toward the light.
  • 77mm thread fits a wide range of professional telephoto and standard zoom lenses — one filter covers much of a working kit.
  • Co-designed with wildlife photographer Moose Peterson — tuned for the outdoor scenarios where both effects are most useful simultaneously.

👎 Cons

  • Warming effect is fixed and non-adjustable — you cannot use this as a neutral polarizer without the 81A cast affecting your color balance.
  • The combined warming shift can be unflattering in portraits shot in warm ambient light, pushing skin tones too far toward orange.
  • Not weather resistant — needs to be removed or protected in rain or dusty field conditions.
  • At 77mm, not compatible with lenses using smaller threads without step-up rings, which can reintroduce vignetting on wider glass.
  • Less useful for studio or controlled-light applications where the warming effect conflicts with color-critical work.

Frequently Asked Questions

The polarizer rotates to cut reflections and deepen blue skies, while the 81A warming layer simultaneously shifts the entire image slightly toward amber. In golden-hour or overcast outdoor shots, you get richer, more saturated results without the cool flatness that a standard CPL can produce on its own.
No. The 81A warming is a fixed element in the glass — you rotate the outer ring to adjust polarization intensity, but the warming shift is always present at a fixed level. If you need neutral polarization, a standard Hoya CPL is the better tool.
The 81A shift is subtle enough that it's manageable in post if needed, but it does set a baseline color temperature the camera's auto white balance may partially correct. Shooting RAW gives you full control to keep, reduce, or remove the warmth during processing.
The single-filter approach eliminates one additional glass element from your stack, which reduces the risk of vignetting, inter-element reflections, and front-element rotation conflicts. It's also faster to deploy in the field than managing two separate filter rings. The trade-off is the fixed coupling — you can't use one effect without the other.
77mm is one of the most common filter threads in professional lens lineups — it fits a wide range of telephoto zooms, fast standard zooms, and many primes. However, verify your specific lens's filter thread before purchasing; ultra-wide lenses below 16mm sometimes use larger or non-standard thread sizes.

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