Amazon takes up to 56% off a selection of Pulsar night vision equipment, with prices starting from $19.99. (Prices are as marked.) Plus, Prime members bag free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping starts around $5.) Stock is limited. A couple of best bets:

• Pulsar EPS3 Battery Pack for $118.18 (low by $9)
• Pulsar Expert VM 8x40 Marine Binoculars for $300 (pictured, low by $13)