Best low light

The best low-light crossbow scopes

Deer move at the edges of legal light. Four published specifications decide whether you can see them, and brightness control matters as much as glass.

By Mike M.Updated October 6, 2026

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Ranked

Quick picks

#	Product	Objective	Score	Price
Rank 1	TenPoint RangeMaster 100 Fast bows, past 400 fps	36 mm	8.8	$299.99Amazon
Rank 2	Hawke XB30 Pro SR 1-5x24 The widest speed range here	24 mm	8.9	$173.98Amazon
Rank 3	Hawke XB1 SR 1.5-5x32 Calibrated aim points out to 100 yards	32 mm	8.7	$159.99Amazon
Rank 4	Vortex Crossfire II 2-7x32 Crossbow Kit The warranty you will never need to think about	32 mm	8.6	$199.00Amazon
Rank 5	Killer Instinct Lumix Speedring 1.5-5x32 A speed-adjustable scope under a hundred dollars	32 mm	8.2	$94.99Amazon

#ad Prices come from Amazon and change. How this site is funded. Scores are our published rubric — how we evaluate.

The short answer

Four published specifications decide low-light performance: objective diameter (bigger gathers more light), tube diameter (30 mm passes more than 1 inch), coating layers (more is better), and illumination control — where stepless adjustment beats fixed steps, because the lowest fixed step is often still too bright at true last light.

Deer move at dawn and dusk, which is exactly when a scope is working hardest. And the counter-intuitive part: the most common low-light failure is not glass that is too dark. It is a reticle that is too bright, blooming over the animal you are trying to aim at.

In detail

Five scopes for the edges of the day

01Fast bows, past 400 fps

$299.99Amazon

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TenPoint RangeMaster 100

TenPoint

8.8/ 10

A 2-7x36 variable that accommodates 380 to 505 fps — the only scope here whose speed range starts where most others stop. Nine illuminated aim references on an etched-glass reticle: dots at 20, 30 and 40, crosshairs at 50, 60 and 70. If you bought a 430 or 470 fps bow, most crossbow scopes cannot be dialed for it. This one can.

Published spec	Value
Speed range	380-505 fps
Magnification	2-7x
Objective	36 mm
Max calibrated range	100 yd
Reticle	Etched glass, 3 illuminated dots at 20/30/40 yd, 3 crosshairs at 50/60/70 yd
Weatherproofing	Water and fog proof
Zero procedure	Sight at 20 yd, micro-tune at 50 yd, zeroed at 100

What it does well

380-505 fps is the only range here that covers a 470 fps bow
7x at the top end is real magnification for a 100-yard hold
Etched-glass reticle stays clean in the field of view
36 mm objective gathers more light than the 24 mm competition

Where it falls short

380 fps floor excludes most bows under five hundred dollars
Most expensive non-rangefinding scope here
Magnification and the speed dial share a ring, so they are not independent

Our rubric

Speed matching: 9.0
Glass: 9.0
Reticle: 9.2
Low light: 9.0
Value: 7.4

02The widest speed range here

$173.98Amazon

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Hawke XB30 Pro SR 1-5x24

Hawke

8.9/ 10

A speed-selector power ring covering 215 to 450 fps, which is the broadest span any scope on this site publishes. Dial your bow's speed and the reticle's aim points line up with your trajectory. 16-layer multi-coated glass in a 30 mm mono-tube does the rest. If you own more than one bow, or expect to change bows, this is the scope that follows you.

Published spec	Value
Speed range	215-450 fps
Magnification	1-5x
Objective	24 mm
Tube	30 mm
Reticle	Illuminated SR, stepless rheostat
Glass	16-layer fully multi-coated
Weatherproofing	Nitrogen purged, waterproof, fog proof

What it does well

215-450 fps covers every bow on this site, from the SAS recurve to the R470
Stepless illumination rheostat rather than fixed brightness steps
30 mm mono-tube passes more light than a 1-inch body
Metal screw-in lens covers rather than rubber flip caps

Where it falls short

1x at the bottom end is a wide field, not a precision magnification
Red illumination only
Costs more than the budget bow it might be going on

Our rubric

Speed matching: 9.8
Glass: 8.8
Reticle: 8.6
Low light: 8.6
Value: 8.4

03Calibrated aim points out to 100 yards

$159.99Amazon

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Hawke XB1 SR 1.5-5x32

Hawke

8.7/ 10

Calibrated for 250 to 425 fps with 10-yard aim points running from a 20-yard zero all the way to 100, on 11-layer multi-coated glass. The no-fault lifetime warranty is the part worth noting: Hawke repairs or replaces it regardless of how it broke, which on a crossbow — a machine that recoils forward into its own scope — is not a trivial promise.

Published spec	Value
Speed range	250-425 fps
Magnification	1.5-5x
Objective	32 mm
Aim points	20-100 yd in 10 yd steps
Reticle	XB1 SR, red and green illuminated
Glass	11-layer fully multi-coated, System H2
Warranty	No-fault lifetime repair or replace

What it does well

Aim points to 100 yards from a 20-yard zero
Red and green illumination rather than one color
No-fault lifetime warranty covers accidental damage
Fast-focus eyebell and a high-torque zoom ring

Where it falls short

250 fps floor rules out the slowest recurves
425 fps ceiling rules out the fastest bows here
A 1-inch tube rather than 30 mm

Our rubric

Speed matching: 8.8
Glass: 8.4
Reticle: 9.0
Low light: 8.2
Value: 8.8

04The warranty you will never need to think about

Vortex Crossfire II 2-7x32 Crossbow Kit from Vortex

$199.00Amazon

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Vortex Crossfire II 2-7x32 Crossbow Kit

Vortex

8.6/ 10

An XBR-2 reticle built around a 40-yard zero with holdovers from 20 to 100 yards, dual red and green illumination, and the Vortex VIP warranty: unlimited, unconditional, lifetime, transferable. The kit includes 30 mm rings, flip caps and a neoprene cover, so there is nothing else to buy.

Published spec	Value
Magnification	2-7x
Objective	32 mm
Reticle	XBR-2, dual red and green illumination
Zero	40 yd
Holdover range	20-100 yd
Included	30 mm rings, flip caps, neoprene cover
Warranty	VIP unlimited lifetime, fully transferable

What it does well

The best warranty terms on this site, and transferable
The kit includes rings and caps, so the price is the whole price
A 40-yard zero puts the holdovers where crossbow shots actually happen
O-ring sealed and nitrogen purged

Where it falls short

The speed setting lives on the magnifier ring, so zoom and speed are coupled
No explicit fps range published on the listing
Second focal plane, so holdovers are only correct at one magnification

Our rubric

Speed matching: 8.0
Glass: 8.6
Reticle: 8.8
Low light: 8.4
Value: 8.6

05A speed-adjustable scope under a hundred dollars

Killer Instinct Lumix Speedring 1.5-5x32 from Killer Instinct

$94.99Amazon

$99.99 5% off

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Killer Instinct Lumix Speedring 1.5-5x32

Killer Instinct

8.2/ 10

An adjustable speed gauge covering 270 to 450 fps, variable reticle brightness, and a metal chassis that is fog, water and shock proof, for less than a hundred dollars. For a budget bow that shipped with a fixed 4x32, this is the single cheapest upgrade that changes how the bow shoots past 40 yards.

Published spec	Value
Speed range	270-450 fps
Magnification	1.5-5x
Objective	32 mm
Reticle range	Up to 100 yd
Reticle	Adjustable brightness illuminated
Chassis	Metal, fog, water and shock proof
Lens covers	Spring-loaded flip

What it does well

270-450 fps covers nearly every bow on this site
Variable brightness, not a two-step switch
Metal chassis at a sub-hundred-dollar price
Cheapest real upgrade over a bundled fixed-power scope

Where it falls short

Glass coatings are not specified on the listing
No warranty terms published
No ranging reticle detail beyond the 100-yard claim

Our rubric

Speed matching: 8.8
Glass: 7.0
Reticle: 7.8
Low light: 7.4
Value: 9.4

How we picked

Objective diameter, tube diameter and published coating detail, then illumination control. We have not conducted optical measurements and publish none of our own. See our methodology.

The four specifications, side by side

Scope	Objective	Tube	Coatings	Illumination control
TenPoint RangeMaster 100	36 mm	Not published	Upgraded glass, water and fog proof	Illuminated, etched glass
Hawke XB30 Pro	24 mm	30 mm	16-layer fully multi-coated	Stepless rheostat, red
Hawke XB1	32 mm	1 in	11-layer fully multi-coated, System H2	Red and green
Vortex Crossfire II	32 mm	30 mm	Proprietary anti-reflective on all surfaces	Dual red and green
Killer Instinct Lumix	32 mm	Not published	Not stated	Adjustable brightness

The RangeMaster's 36 mm objective is the largest here; the XB30 Pro's 16 coating layers and 30 mm tube are the best-specified glass.

What each specification actually does

Objective diameter

The front lens. A larger objective gathers more light, and the difference between 24 mm and 36 mm is substantial at last light. The cost is bulk and height over the rail — a big objective needs taller rings, which raises your cheek weld.

Tube diameter

A 30 mm tube passes more light to your eye than a 1-inch tube and gives more internal adjustment travel. Both Hawke's XB30 Pro and the Vortex kit are 30 mm. The XB1's 1-inch body is the compromise that keeps it cheaper.

Coating layers

Every air-to-glass surface reflects some light away unless it is coated. Hawke publishes 16 layers on the XB30 Pro and 11 on the XB1 — the most specific coating claims here. Vortex describes multiple anti-reflective coatings on all air-to-glass surfaces without a layer count. Killer Instinct publishes nothing.

Illumination control, which is the one people get wrong

At true last light a bright red reticle blooms: the glow spreads and covers the spot you are aiming at. A stepless rheostat — the XB30 Pro's — lets you turn it down until it is barely visible, which is exactly where you want it. Five levels (the CVLIFE) is next best. A two-position switch is the worst.

What also matters and is rarely mentioned

Reticle type. An etched-glass reticle stays clean and thin; a thick wire reticle covers more of a dark target. The RangeMaster's etched glass with nine references is the best implementation here.
Exit pupil. Objective divided by magnification. At 5x a 24 mm objective gives a 4.8 mm exit pupil; at 2x a 32 mm objective gives 16 mm. Turn the magnification down at last light — it brightens the image for free.
Eye relief. More eye relief means a bigger eye box, which matters when you are finding the scope quickly from an awkward position in poor light.

The free improvements

Turn the magnification down. The single most effective low-light change, and it costs nothing.
Turn the illumination down, not up. Start at the dimmest setting that you can see and leave it there.
Clean the lenses. Smeared glass scatters light and halves your effective last light.
Use the lens caps on the walk in. Dew and frost on the objective are worse than any specification.

Frequently asked questions

What makes a crossbow scope good in low light?

A larger objective lens, a 30 mm rather than 1-inch tube, more coating layers on the glass, and illumination you can turn down far enough. That last one is the most commonly missed — a reticle that is too bright blooms over the target at last light.

Does a bigger objective lens help at dusk?

Yes, meaningfully. The front lens gathers the light, so a 36 mm objective passes more than a 24 mm one. The cost is bulk and ring height, which raises your cheek weld — worth checking against your stock before buying.

Should I turn the illuminated reticle up or down in low light?

Down. At true last light a bright reticle glows and spreads over the spot you are aiming at. Use the dimmest setting you can see, which is why stepless brightness control beats fixed steps — the lowest fixed step is frequently still too bright.

Does magnification affect low-light brightness?

Yes, and this is the free improvement most people miss. Exit pupil is the objective diameter divided by magnification, so turning the zoom down makes the image brighter. On a variable scope, drop to the lowest magnification at dawn and dusk.

Is a 30 mm tube worth it on a crossbow scope?

At last light, yes. A 30 mm body passes more light than a 1-inch one and gives more internal adjustment range. On this site the Hawke XB30 Pro and the Vortex Crossfire II kit are the 30 mm options and both sit under two hundred dollars.

Sources

Scopes

The best low-light crossbow scopes

Quick picks